data cannot occupy more than 10240 bytes when serialized

### 数据序列化大小限制解决方案 为了确保数据序列化后不超过10240字节,可以从多个角度优化和控制序列化的输出。以下是几种有效的策略: #### 1. 使用高效的序列化协议 选择更紧凑的二进制序列化格式有助于减少最终数据量。例如,Protocol Buffers (Protobuf) 是一种高效的数据交换格式,它通过将结构化数据进行序列化来实现数据存储和RPC数据交换[^2]。 ```protobuf syntax = "proto3"; message CompactData { int32 id = 1; string name = 2; } ``` #### 2. 压缩序列化后的数据 采用压缩算法可以在不改变原有逻辑的情况下显著减小数据体积。常见的做法是在序列化之前先对数据进行压缩处理,然后再执行实际的序列化操作。 ```python import zlib import pickle data = {"key": "value"} compressed_data = zlib.compress(pickle.dumps(data)) print(len(compressed_data)) # 输出压缩后的长度 ``` #### 3. 控制输入数据规模 对于复杂或大型的对象,在序列化前应尽可能简化其内容,移除不必要的字段或将大对象拆分成较小的部分分别处理。当面对嵌套式数据时,以文本形式表示确实存在挑战;此时应当考虑调整数据模型设计,使其更适合于序列化需求[^1]。 #### 4. 实施分片机制 如果单次传输无法满足要求,则可采取分页或多批次的方式逐步完成整个过程。每次只发送固定大小的数据块直到全部传送完毕为止。 ```python def chunked_serialize(obj, max_size=10240): serialized_chunks = [] current_chunk = b"" for item in obj.items(): next_item_serialized = pickle.dumps(item) if len(current_chunk) + len(next_item_serialized) > max_size: serialized_chunks.append(current_chunk) current_chunk = next_item_serialized else: current_chunk += next_item_serialized if current_chunk: serialized_chunks.append(current_chunk) return serialized_chunks ``` 以上方法可以根据具体应用场景灵活组合应用,从而有效应对序列化数据超出预期尺寸的问题。

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DevExpress VCL 13.1.4(v2013vol1.4) 源码-例子-帮助-part1

DevExpress VCL 13.1.4(v2013vol1.4) 源码-例子-帮助-part1

================================== ==注意:一共2个压缩包,这是第1个== ================================== *提示:无自动安装程序,包含所有源码、例子、帮助,请按照安装顺序安装!!! New Features in 13.1.4 (VCL Product Line) Breaking Changes To learn about breaking changes in this version, please refer to the following page: Breaking Changes in 13.1.4 (VCL Product Line) Known Issues To learn about known issues in this version, please refer to the following page: Known Issues in 13.1.4 (VCL Product Line) The following sections list all minor and major changes in DevExpress VCL 13.1.4. Note that products, controls and libraries which aren't mentioned in the list below are included in the unified installer for compatibility, but have not been updated. Enhancements and Updates New Features/Updates VCL Subscription ExpressTile Control ExpressDataController Resolved Issues ExpressBars Suite ExpressLayout Control ExpressNavBar ExpressPageControl ExpressPivotGrid Suite ExpressPrinting System ExpressQuantumGrid Suite ExpressQuantumTreeList Suite ExpressScheduler Suite ExpressSkins Library ExpressSpreadSheet ExpressTile Control ExpressVerticalGrid Suite ExpressDataController ExpressEditors Library ExpressLibrary Installation (VCL) New Features/Updates VCL Subscription S170932 - Documentation - Describe that the ExpressLayout Control and ExpressDocking Library are incompatible ExpressTile Control S172299 - Center the Back button and title text vertically within the title Common Libraries ExpressDataController S172107 - Add the capability to disable multi-threaded operations at the level of custom data sources (TcxCustomDataSource descendants) Resolved Issues ExpressBars Suite Q476901 - Documentation - The "Ribbon Application Menu" topic does not contain the menu creation steps that are specific to TdxRibbonBackstageView Q452658 - Documentation - The TdxCustomRibbonGalleryItem.GalleryGroups property is not marked as deprecated and is used in topics instead of TdxCustomRibbonGalleryItem.GalleryCategories Q513198 -

DevExpress VCL v2012 vol 1.6源码-例子-帮助-part1

DevExpress VCL v2012 vol 1.6源码-例子-帮助-part1

=============================== ==注意:一共2个压缩包,这是第1个== =============================== DevExpress VCL v2012 vol 1.6 包含所有源码、例子、帮助 如果你安装过其它版本的DevExpressVCL,安装前请完全卸载老版本的Dev控件,并执行“清理Dev残余文件”,清理System32下的DevExpress的BPL文件。 What's New in DevExpress VCL 12.1.6 Release Notes The following sections list all minor and major changes in DevExpress VCL 12.1.6. Note that products, controls and libraries which aren't mentioned in the list below are included in the unified installer for compatibility, but have not been updated. New Features/Changes ExpressLayout Control S170028 - Documentation - Describe runtime object access capabilities in the "On-Form Object Access" topic S170040 - Documentation - Update the "ExpressLayout Control: Resource Strings" topic with resource strings used in customization context menus ExpressTile Control S170009 - Add the capability to determine if a specific point corresponds to a tile control's title using HitTest information Resolved Issues VCL Subscription Q434991 - Data-aware container controls - Format settings are not applied to cells ExpressBars Suite Q440463 - Ribbon - TdxBarApplicationMenu - Check marks displayed for TdxBarLargeButton items appear highly pixelated Q441061 - Ribbon - TdxRibbonBackstageView opened in a new Ribbon Form created in an application remains visible on screen if this Ribbon Form is closed via its Close button Q425185 - Ribbon Form - Incorrect text color is applied to a maximized form's caption B219006 - TcxBarEditItem - LookupComboBox - An error occurs when moving focus from one lookup bar item to another ExpressDocking Library Q440931 - TdxDockPanel is not activated by clicking the panel's tab in TdxTabContainerDockSite ExpressLayout Control Q434679 - A layout group fires the OnTabChanging event twice if the event's handler calls Application.ProcessMessages Q433283 - A layout group with a label layout item that is set to occupy the entire client area of its group has an incorrect width B218895 - Documentation - Incorrect topic navigation due to a corrupt HLP file (Delphi 7 only) ExpressPrinting System Q440760 - Export to PDF - The File Save dialog is not shown if the default file name for a report is too long B218629 - In the Page Number Format dialog, the "Start At" field value is incorrectly validated for character-based number formats B218627 - TBasedxReportLink descendants - Customized values of the TimeFormat, DateFormat and PageFormat properties are reset to their default values in some cases if default formats have been customized at the TdxComponentPrinter level Q440453 - TdxComponentPrinter - The Date And Time dialog cannot be re-opened after the last time format has been selected in the Available Time Formats list Q435027 - The Print Preview window freezes when invoked from a window located in a DLL file B219022 - TreeList Report Link - Rich text formatting is missing when printing cxRichEdit columns ExpressQuantumGrid Suite Q404033 - An exception is thrown when the selection is modified within the View's OnSelectionChanged event handler Q430561 - Assigning a Table View column to a Layout View data item or Card View row modifies the assignee's GroupIndex property Q434910 - Compilation errors occur after the View's Navigator.InfoPanel.OnClick event handler has been created at design time due to the missing cxNavigator unit in the 'uses' clause Q437880 - Data-aware Views - The "RecordIndex out of range" exception is thrown when removing a record if the View contains unbound columns Q433982 - Data-aware Views - The "RowIndex out of range" exception is thrown when updating the TClientDataSet bound to the View within a form's OnDestroy event handler using EmptyDataSet, etc. B218884 - Layout View - Card captions and currently focused items are incorrectly painted in selected cards B218883 - Layout View - Cell content areas are hot-tracked regardless of the View's OptionsBehavior.ItemHotTrack property value B218885 - Layout View - The text color specified in the View's Styles.OnGetItemStyle event handler is not applied to card layout items Q438267 - Server Mode - Clicking a Filter Row cell in a column containing Null values throws the "Could not convert variant of type (Null) into type (OleStr)" exception Q435475 - Tabular and Layout Views - The View does not synchronize edit value changes with the data controller in the OnEditChanged event handler if DataController.Options includes dcoImmediatePost, and a grid item's Properties.ImmediatePost property is set to True ExpressQuantumTreeList Suite Q434260 - TcxDBTreeList refreshes all data if a bound dataset was edited via the TreeList control when the OptionsData.SmartRefresh property is set to True Q435693 - TcxTreeList - An AV occurs when adding nodes in RAD Studio XE3 at design time ExpressScheduler Suite Q431232 - cxDateNavigator - 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Closing the Customization form does not disable the customization mode in error Common Libraries ExpressEditors Library Q431767 - TdxDBBreadcrumbEdit does not update its content after a new record is inserted into a database table in XE2 Update 4 Q434043 - Background and text colors are not applied to a read-only editor if its Properties.ReadOnly property is set via RepositoryItem Q434045 - cxMemo - Scrollbars are not shown if the editor is the last object in a DFM file, the editor has no text, and its Properties.ScrollBars property is set to ssBoth at design time B218869 - dxBreadCrumbEdit - A node's DeleteChildren method does not update the node's HasChildren property Q437728 - dxBreadcrumbEdit - An AV occurs when clicking the Root in a node's drop-down window when the selected node's children are repopulated within an OnPathSelect event handler B213307 - ExpressEditors are erroneously painted by VCL styles, as if they are standard VCL editors Q436036 - Some editors discard changes to the edit value if these changes were made by pasting data from the clipboard, using the Backspace key, etc. Q433948 - TcxImage - Intersections with other transparent DevExpress editors may appear distorted Q440954 - TcxScrollBox - The Create method does not use the GetViewInfoClass method Q436691 - TcxShellBrowserDialog - Memory leaks when selecting a file or folder in the dialog and clicking the OK button Q432788 - TcxSplitter - In Delphi 2010 and later, changes to the AlignSplitter property erroneously cause form resizing Q434498 - TdxShellBreadcrumbEdit - An AV occurs when selecting a file in a linked shell tree view B218303 - TdxShellBreadcrumbEdit - Files selected in a linked shell tree view are added as nodes (folders) to the breadcrumb editor ExpressLibrary Q432285 - TdxScreenTip - An AV occurs when displaying hints for ExpressQuantumGrid cells after ScreenTips have been shown by hint controllers located on other forms

DevExpress VCL 13.1.4(v2013vol1.4) 源码-例子-帮助-part2

DevExpress VCL 13.1.4(v2013vol1.4) 源码-例子-帮助-part2

================================== ==注意:一共2个压缩包,这是第2个== ================================== *提示:无自动安装程序,包含所有源码、例子、帮助,请按照安装顺序安装!!! New Features in 13.1.4 (VCL Product Line) Breaking Changes To learn about breaking changes in this version, please refer to the following page: Breaking Changes in 13.1.4 (VCL Product Line) Known Issues To learn about known issues in this version, please refer to the following page: Known Issues in 13.1.4 (VCL Product Line) The following sections list all minor and major changes in DevExpress VCL 13.1.4. Note that products, controls and libraries which aren't mentioned in the list below are included in the unified installer for compatibility, but have not been updated. Enhancements and Updates New Features/Updates VCL Subscription ExpressTile Control ExpressDataController Resolved Issues ExpressBars Suite ExpressLayout Control ExpressNavBar ExpressPageControl ExpressPivotGrid Suite ExpressPrinting System ExpressQuantumGrid Suite ExpressQuantumTreeList Suite ExpressScheduler Suite ExpressSkins Library ExpressSpreadSheet ExpressTile Control ExpressVerticalGrid Suite ExpressDataController ExpressEditors Library ExpressLibrary Installation (VCL) New Features/Updates VCL Subscription S170932 - Documentation - Describe that the ExpressLayout Control and ExpressDocking Library are incompatible ExpressTile Control S172299 - Center the Back button and title text vertically within the title Common Libraries ExpressDataController S172107 - Add the capability to disable multi-threaded operations at the level of custom data sources (TcxCustomDataSource descendants) Resolved Issues ExpressBars Suite Q476901 - Documentation - The "Ribbon Application Menu" topic does not contain the menu creation steps that are specific to TdxRibbonBackstageView Q452658 - Documentation - The TdxCustomRibbonGalleryItem.GalleryGroups property is not marked as deprecated and is used in topics instead of TdxCustomRibbonGalleryItem.GalleryCategories Q513198 -

DevExpress VCL v2012 vol 1.6源码-例子-帮助-part2

DevExpress VCL v2012 vol 1.6源码-例子-帮助-part2

=============================== ==注意:一共2个压缩包,这是第2个== =============================== DevExpress VCL v2012 vol 1.6 包含所有源码、例子、帮助 如果你安装过其它版本的DevExpressVCL,安装前请完全卸载老版本的Dev控件,并执行“清理Dev残余文件”,清理System32下的DevExpress的BPL文件。 What's New in DevExpress VCL 12.1.6 Release Notes The following sections list

DevExpress VCL v2012 vol 1.6源码、例子、帮助-part2

DevExpress VCL v2012 vol 1.6源码、例子、帮助-part2

=====注意:一共2个压缩分卷,这是第2个!===== DevExpress VCL v2012 vol 1.6 Delphi VCL. 包含所有源码、例子、帮助 支持Metro啦! What's New in DevExpress VCL 12.1.6 Release Notes The following sections list all minor and major changes in DevExpress VCL 12.1.6. Note that products, controls and libraries which aren't mentioned in the list below are included in the unified installer for compatibility, but have not been updated. New Features/Changes ExpressLayout Control S170028 - Documentation - Describe runtime object access capabilities in the "On-Form Object Access" topic S170040 - Documentation - Update the "ExpressLayout Control: Resource Strings" topic with resource strings used in customization context menus ExpressTile Control S170009 - Add the capability to determine if a specific point corresponds to a tile control's title using HitTest information Resolved Issues VCL Subscription Q434991 - Data-aware container controls - Format settings are not applied to cells ExpressBars Suite Q440463 - Ribbon - TdxBarApplicationMenu - Check marks displayed for TdxBarLargeButton items appear highly pixelated Q441061 - Ribbon - TdxRibbonBackstageView opened in a new Ribbon Form created in an application remains visible on screen if this Ribbon Form is closed via its Close button Q425185 - Ribbon Form - Incorrect text color is applied to a maximized form's caption B219006 - TcxBarEditItem - LookupComboBox - An error occurs when moving focus from one lookup bar item to another ExpressDocking Library Q440931 - TdxDockPanel is not activated by clicking the panel's tab in TdxTabContainerDockSite ExpressLayout Control Q434679 - A layout group fires the OnTabChanging event twice if the event's handler calls Application.ProcessMessages Q433283 - A layout group with a label layout item that is set to occupy the entire client area of its group has an incorrect width B218895 - Documentation - Incorrect topic navigation due to a corrupt HLP file (Delphi 7 only) ExpressPrinting System Q440760 - Export to PDF - The File Save dialog is not shown if the default file name for a report is too long B218629 - In the Page Number Format dialog, the "Start At" field value is incorrectly validated for character-based number formats B218627 - TBasedxReportLink descendants - Customized values of the TimeFormat, DateFormat and PageFormat properties are reset to their default values in some cases if default formats have been customized at the TdxComponentPrinter level Q440453 - TdxComponentPrinter - The Date And Time dialog cannot be re-opened after the last time format has been selected in the Available Time Formats list Q435027 - The Print Preview window freezes when invoked from a window located in a DLL file B219022 - TreeList Report Link - Rich text formatting is missing when printing cxRichEdit columns ExpressQuantumGrid Suite Q404033 - An exception is thrown when the selection is modified within the View's OnSelectionChanged event handler Q430561 - Assigning a Table View column to a Layout View data item or Card View row modifies the assignee's GroupIndex property Q434910 - Compilation errors occur after the View's Navigator.InfoPanel.OnClick event handler has been created at design time due to the missing cxNavigator unit in the 'uses' clause Q437880 - Data-aware Views - The "RecordIndex out of range" exception is thrown when removing a record if the View contains unbound columns Q433982 - Data-aware Views - The "RowIndex out of range" exception is thrown when updating the TClientDataSet bound to the View within a form's OnDestroy event handler using EmptyDataSet, etc. B218884 - Layout View - Card captions and currently focused items are incorrectly painted in selected cards B218883 - Layout View - Cell content areas are hot-tracked regardless of the View's OptionsBehavior.ItemHotTrack property value B218885 - Layout View - The text color specified in the View's Styles.OnGetItemStyle event handler is not applied to card layout items Q438267 - Server Mode - Clicking a Filter Row cell in a column containing Null values throws the "Could not convert variant of type (Null) into type (OleStr)" exception Q435475 - Tabular and Layout Views - The View does not synchronize edit value changes with the data controller in the OnEditChanged event handler if DataController.Options includes dcoImmediatePost, and a grid item's Properties.ImmediatePost property is set to True ExpressQuantumTreeList Suite Q434260 - TcxDBTreeList refreshes all data if a bound dataset was edited via the TreeList control when the OptionsData.SmartRefresh property is set to True Q435693 - TcxTreeList - An AV occurs when adding nodes in RAD Studio XE3 at design time ExpressScheduler Suite Q431232 - cxDateNavigator - The date navigator does not maintain the number of selected weeks always visible on screen when scrolling months backwards Q433746 - Day View - Resizing an event that lasts more than one day past 11:59pm increases the event's duration by one day if the ShowAllDayEventsInContentArea property is set to True ExpressSkins Library Q435604 - TdxBevel - Additional colors are not defined for the control in the Blueprint, DevExpressStyle, Seven, SevenClassic, VS2010, and Whiteprint skins Q436337 - The Skin Editor does not generate skin packages for RAD Studio XE3 ExpressSpreadSheet B218380 - The TcxSSViewInfoData record fields in the cxSSViewInfo.hpp file generated by a C++Builder application have an invalid alignment ExpressTile Control Q432087 - cxDateEdit controls are not displayed on a detail page when activating this page for the second and subsequent times in Windows XP B218389 - Focus does not move to the previous/next row when it passes the first/last tile within the current row if a tile control's OptionsBehavior.FocusItemOnCycle property is set to True ExpressVerticalGrid Suite Q439250 - Closing the Customization form does not disable the customization mode in error Common Libraries ExpressEditors Library Q431767 - TdxDBBreadcrumbEdit does not update its content after a new record is inserted into a database table in XE2 Update 4 Q434043 - Background and text colors are not applied to a read-only editor if its Properties.ReadOnly property is set via RepositoryItem Q434045 - cxMemo - Scrollbars are not shown if the editor is the last object in a DFM file, the editor has no text, and its Properties.ScrollBars property is set to ssBoth at design time B218869 - dxBreadCrumbEdit - A node's DeleteChildren method does not update the node's HasChildren property Q437728 - dxBreadcrumbEdit - An AV occurs when clicking the Root in a node's drop-down window when the selected node's children are repopulated within an OnPathSelect event handler B213307 - ExpressEditors are erroneously painted by VCL styles, as if they are standard VCL editors Q436036 - Some editors discard changes to the edit value if these changes were made by pasting data from the clipboard, using the Backspace key, etc. Q433948 - TcxImage - Intersections with other transparent DevExpress editors may appear distorted Q440954 - TcxScrollBox - The Create method does not use the GetViewInfoClass method Q436691 - TcxShellBrowserDialog - Memory leaks when selecting a file or folder in the dialog and clicking the OK button Q432788 - TcxSplitter - In Delphi 2010 and later, changes to the AlignSplitter property erroneously cause form resizing Q434498 - TdxShellBreadcrumbEdit - An AV occurs when selecting a file in a linked shell tree view B218303 - TdxShellBreadcrumbEdit - Files selected in a linked shell tree view are added as nodes (folders) to the breadcrumb editor ExpressLibrary Q432285 - TdxScreenTip - An AV occurs when displaying hints for ExpressQuantumGrid cells after ScreenTips have been shown by hint controllers located on other forms

DevExpress VCL 2012 vol 1.6源码、例子、帮助-Part1

DevExpress VCL 2012 vol 1.6源码、例子、帮助-Part1

=====注意:一共2个压缩分卷,这是第1个!===== DevExpress VCL v2012 vol 1.6 Delphi VCL. 包含所有源码、例子、帮助 支持Metro啦! What's New in DevExpress VCL 12.1.6 Release Notes The following sections list all minor and major changes in DevExpress VCL 12.1.6. Note that products, controls and libraries which aren't mentioned in the list below are included in the unified installer for compatibility, but have not been updated. New Features/Changes ExpressLayout Control S170028 - Documentation - Describe runtime object access capabilities in the "On-Form Object Access" topic S170040 - Documentation - Update the "ExpressLayout Control: Resource Strings" topic with resource strings used in customization context menus ExpressTile Control S170009 - Add the capability to determine if a specific point corresponds to a tile control's title using HitTest information Resolved Issues VCL Subscription Q434991 - Data-aware container controls - Format settings are not applied to cells ExpressBars Suite Q440463 - Ribbon - TdxBarApplicationMenu - Check marks displayed for TdxBarLargeButton items appear highly pixelated Q441061 - Ribbon - TdxRibbonBackstageView opened in a new Ribbon Form created in an application remains visible on screen if this Ribbon Form is closed via its Close button Q425185 - Ribbon Form - Incorrect text color is applied to a maximized form's caption B219006 - TcxBarEditItem - LookupComboBox - An error occurs when moving focus from one lookup bar item to another ExpressDocking Library Q440931 - TdxDockPanel is not activated by clicking the panel's tab in TdxTabContainerDockSite ExpressLayout Control Q434679 - A layout group fires the OnTabChanging event twice if the event's handler calls Application.ProcessMessages Q433283 - A layout group with a label layout item that is set to occupy the entire client area of its group has an incorrect width B218895 - Documentation - Incorrect topic navigation due to a corrupt HLP file (Delphi 7 only) ExpressPrinting System Q440760 - Export to PDF - The File Save dialog is not shown if the default file name for a report is too long B218629 - In the Page Number Format dialog, the "Start At" field value is incorrectly validated for character-based number formats B218627 - TBasedxReportLink descendants - Customized values of the TimeFormat, DateFormat and PageFormat properties are reset to their default values in some cases if default formats have been customized at the TdxComponentPrinter level Q440453 - TdxComponentPrinter - The Date And Time dialog cannot be re-opened after the last time format has been selected in the Available Time Formats list Q435027 - The Print Preview window freezes when invoked from a window located in a DLL file B219022 - TreeList Report Link - Rich text formatting is missing when printing cxRichEdit columns ExpressQuantumGrid Suite Q404033 - An exception is thrown when the selection is modified within the View's OnSelectionChanged event handler Q430561 - Assigning a Table View column to a Layout View data item or Card View row modifies the assignee's GroupIndex property Q434910 - Compilation errors occur after the View's Navigator.InfoPanel.OnClick event handler has been created at design time due to the missing cxNavigator unit in the 'uses' clause Q437880 - Data-aware Views - The "RecordIndex out of range" exception is thrown when removing a record if the View contains unbound columns Q433982 - Data-aware Views - The "RowIndex out of range" exception is thrown when updating the TClientDataSet bound to the View within a form's OnDestroy event handler using EmptyDataSet, etc. B218884 - Layout View - Card captions and currently focused items are incorrectly painted in selected cards B218883 - Layout View - Cell content areas are hot-tracked regardless of the View's OptionsBehavior.ItemHotTrack property value B218885 - Layout View - The text color specified in the View's Styles.OnGetItemStyle event handler is not applied to card layout items Q438267 - Server Mode - Clicking a Filter Row cell in a column containing Null values throws the "Could not convert variant of type (Null) into type (OleStr)" exception Q435475 - Tabular and Layout Views - The View does not synchronize edit value changes with the data controller in the OnEditChanged event handler if DataController.Options includes dcoImmediatePost, and a grid item's Properties.ImmediatePost property is set to True ExpressQuantumTreeList Suite Q434260 - TcxDBTreeList refreshes all data if a bound dataset was edited via the TreeList control when the OptionsData.SmartRefresh property is set to True Q435693 - TcxTreeList - An AV occurs when adding nodes in RAD Studio XE3 at design time ExpressScheduler Suite Q431232 - cxDateNavigator - The date navigator does not maintain the number of selected weeks always visible on screen when scrolling months backwards Q433746 - Day View - Resizing an event that lasts more than one day past 11:59pm increases the event's duration by one day if the ShowAllDayEventsInContentArea property is set to True ExpressSkins Library Q435604 - TdxBevel - Additional colors are not defined for the control in the Blueprint, DevExpressStyle, Seven, SevenClassic, VS2010, and Whiteprint skins Q436337 - The Skin Editor does not generate skin packages for RAD Studio XE3 ExpressSpreadSheet B218380 - The TcxSSViewInfoData record fields in the cxSSViewInfo.hpp file generated by a C++Builder application have an invalid alignment ExpressTile Control Q432087 - cxDateEdit controls are not displayed on a detail page when activating this page for the second and subsequent times in Windows XP B218389 - Focus does not move to the previous/next row when it passes the first/last tile within the current row if a tile control's OptionsBehavior.FocusItemOnCycle property is set to True ExpressVerticalGrid Suite Q439250 - Closing the Customization form does not disable the customization mode in error Common Libraries ExpressEditors Library Q431767 - TdxDBBreadcrumbEdit does not update its content after a new record is inserted into a database table in XE2 Update 4 Q434043 - Background and text colors are not applied to a read-only editor if its Properties.ReadOnly property is set via RepositoryItem Q434045 - cxMemo - Scrollbars are not shown if the editor is the last object in a DFM file, the editor has no text, and its Properties.ScrollBars property is set to ssBoth at design time B218869 - dxBreadCrumbEdit - A node's DeleteChildren method does not update the node's HasChildren property Q437728 - dxBreadcrumbEdit - An AV occurs when clicking the Root in a node's drop-down window when the selected node's children are repopulated within an OnPathSelect event handler B213307 - ExpressEditors are erroneously painted by VCL styles, as if they are standard VCL editors Q436036 - Some editors discard changes to the edit value if these changes were made by pasting data from the clipboard, using the Backspace key, etc. Q433948 - TcxImage - Intersections with other transparent DevExpress editors may appear distorted Q440954 - TcxScrollBox - The Create method does not use the GetViewInfoClass method Q436691 - TcxShellBrowserDialog - Memory leaks when selecting a file or folder in the dialog and clicking the OK button Q432788 - TcxSplitter - In Delphi 2010 and later, changes to the AlignSplitter property erroneously cause form resizing Q434498 - TdxShellBreadcrumbEdit - An AV occurs when selecting a file in a linked shell tree view B218303 - TdxShellBreadcrumbEdit - Files selected in a linked shell tree view are added as nodes (folders) to the breadcrumb editor ExpressLibrary Q432285 - TdxScreenTip - An AV occurs when displaying hints for ExpressQuantumGrid cells after ScreenTips have been shown by hint controllers located on other forms

DevExpress VCL v2012 vol 1.6源码、例子、帮助-Part1

DevExpress VCL v2012 vol 1.6源码、例子、帮助-Part1

=====注意:一共2个压缩分卷,这是第1个!===== DevExpress VCL v2012 vol 1.6 Delphi VCL. 包含所有源码、例子、帮助 支持Metro啦! What's New in DevExpress VCL 12.1.6 Release Notes The following sections list all minor and major changes in DevExpress VCL 12.1.6. Note that products, controls and libraries which aren't mentioned in the list below are included in the unified installer for compatibility, but have not been updated. New Features/Changes ExpressLayout Control S170028 - Documentation - Describe runtime object access capabilities in the "On-Form Object Access" topic S170040 - Documentation - Update the "ExpressLayout Control: Resource Strings" topic with resource strings used in customization context menus ExpressTile Control S170009 - Add the capability to determine if a specific point corresponds to a tile control's title using HitTest information Resolved Issues VCL Subscription Q434991 - Data-aware container controls - Format settings are not applied to cells ExpressBars Suite Q440463 - Ribbon - TdxBarApplicationMenu - Check marks displayed for TdxBarLargeButton items appear highly pixelated Q441061 - Ribbon - TdxRibbonBackstageView opened in a new Ribbon Form created in an application remains visible on screen if this Ribbon Form is closed via its Close button Q425185 - Ribbon Form - Incorrect text color is applied to a maximized form's caption B219006 - TcxBarEditItem - LookupComboBox - An error occurs when moving focus from one lookup bar item to another ExpressDocking Library Q440931 - TdxDockPanel is not activated by clicking the panel's tab in TdxTabContainerDockSite ExpressLayout Control Q434679 - A layout group fires the OnTabChanging event twice if the event's handler calls Application.ProcessMessages Q433283 - A layout group with a label layout item that is set to occupy the entire client area of its group has an incorrect width B218895 - Documentation - Incorrect topic navigation due to a corrupt HLP file (Delphi 7 only) ExpressPrinting System Q440760 - Export to PDF - The File Save dialog is not shown if the default file name for a report is too long B218629 - In the Page Number Format dialog, the "Start At" field value is incorrectly validated for character-based number formats B218627 - TBasedxReportLink descendants - Customized values of the TimeFormat, DateFormat and PageFormat properties are reset to their default values in some cases if default formats have been customized at the TdxComponentPrinter level Q440453 - TdxComponentPrinter - The Date And Time dialog cannot be re-opened after the last time format has been selected in the Available Time Formats list Q435027 - The Print Preview window freezes when invoked from a window located in a DLL file B219022 - TreeList Report Link - Rich text formatting is missing when printing cxRichEdit columns ExpressQuantumGrid Suite Q404033 - An exception is thrown when the selection is modified within the View's OnSelectionChanged event handler Q430561 - Assigning a Table View column to a Layout View data item or Card View row modifies the assignee's GroupIndex property Q434910 - Compilation errors occur after the View's Navigator.InfoPanel.OnClick event handler has been created at design time due to the missing cxNavigator unit in the 'uses' clause Q437880 - Data-aware Views - The "RecordIndex out of range" exception is thrown when removing a record if the View contains unbound columns Q433982 - Data-aware Views - The "RowIndex out of range" exception is thrown when updating the TClientDataSet bound to the View within a form's OnDestroy event handler using EmptyDataSet, etc. B218884 - Layout View - Card captions and currently focused items are incorrectly painted in selected cards B218883 - Layout View - Cell content areas are hot-tracked regardless of the View's OptionsBehavior.ItemHotTrack property value B218885 - Layout View - The text color specified in the View's Styles.OnGetItemStyle event handler is not applied to card layout items Q438267 - Server Mode - Clicking a Filter Row cell in a column containing Null values throws the "Could not convert variant of type (Null) into type (OleStr)" exception Q435475 - Tabular and Layout Views - The View does not synchronize edit value changes with the data controller in the OnEditChanged event handler if DataController.Options includes dcoImmediatePost, and a grid item's Properties.ImmediatePost property is set to True ExpressQuantumTreeList Suite Q434260 - TcxDBTreeList refreshes all data if a bound dataset was edited via the TreeList control when the OptionsData.SmartRefresh property is set to True Q435693 - TcxTreeList - An AV occurs when adding nodes in RAD Studio XE3 at design time ExpressScheduler Suite Q431232 - cxDateNavigator - The date navigator does not maintain the number of selected weeks always visible on screen when scrolling months backwards Q433746 - Day View - Resizing an event that lasts more than one day past 11:59pm increases the event's duration by one day if the ShowAllDayEventsInContentArea property is set to True ExpressSkins Library Q435604 - TdxBevel - Additional colors are not defined for the control in the Blueprint, DevExpressStyle, Seven, SevenClassic, VS2010, and Whiteprint skins Q436337 - The Skin Editor does not generate skin packages for RAD Studio XE3 ExpressSpreadSheet B218380 - The TcxSSViewInfoData record fields in the cxSSViewInfo.hpp file generated by a C++Builder application have an invalid alignment ExpressTile Control Q432087 - cxDateEdit controls are not displayed on a detail page when activating this page for the second and subsequent times in Windows XP B218389 - Focus does not move to the previous/next row when it passes the first/last tile within the current row if a tile control's OptionsBehavior.FocusItemOnCycle property is set to True ExpressVerticalGrid Suite Q439250 - Closing the Customization form does not disable the customization mode in error Common Libraries ExpressEditors Library Q431767 - TdxDBBreadcrumbEdit does not update its content after a new record is inserted into a database table in XE2 Update 4 Q434043 - Background and text colors are not applied to a read-only editor if its Properties.ReadOnly property is set via RepositoryItem Q434045 - cxMemo - Scrollbars are not shown if the editor is the last object in a DFM file, the editor has no text, and its Properties.ScrollBars property is set to ssBoth at design time B218869 - dxBreadCrumbEdit - A node's DeleteChildren method does not update the node's HasChildren property Q437728 - dxBreadcrumbEdit - An AV occurs when clicking the Root in a node's drop-down window when the selected node's children are repopulated within an OnPathSelect event handler B213307 - ExpressEditors are erroneously painted by VCL styles, as if they are standard VCL editors Q436036 - Some editors discard changes to the edit value if these changes were made by pasting data from the clipboard, using the Backspace key, etc. Q433948 - TcxImage - Intersections with other transparent DevExpress editors may appear distorted Q440954 - TcxScrollBox - The Create method does not use the GetViewInfoClass method Q436691 - TcxShellBrowserDialog - Memory leaks when selecting a file or folder in the dialog and clicking the OK button Q432788 - TcxSplitter - In Delphi 2010 and later, changes to the AlignSplitter property erroneously cause form resizing Q434498 - TdxShellBreadcrumbEdit - An AV occurs when selecting a file in a linked shell tree view B218303 - TdxShellBreadcrumbEdit - Files selected in a linked shell tree view are added as nodes (folders) to the breadcrumb editor ExpressLibrary Q432285 - TdxScreenTip - An AV occurs when displaying hints for ExpressQuantumGrid cells after ScreenTips have been shown by hint controllers located on other forms

DevExpress VCL 2012 vol 1.6源码、例子、帮助-Part2

DevExpress VCL 2012 vol 1.6源码、例子、帮助-Part2

=====注意:一共2个压缩分卷,这是第2个!===== DevExpress VCL v2012 vol 1.6 Delphi VCL. 包含所有源码、例子、帮助 支持Metro啦! What's New in DevExpress VCL 12.1.6 Release Notes The following sections list all minor and major changes in DevExpress VCL 12.1.6. Note that products, controls and libraries which aren't mentioned in the list below are included in the unified installer for compatibility, but have not been updated. New Features/Changes ExpressLayout Control S170028 - Documentation - Describe runtime object access capabilities in the "On-Form Object Access" topic S170040 - Documentation - Update the "ExpressLayout Control: Resource Strings" topic with resource strings used in customization context menus ExpressTile Control S170009 - Add the capability to determine if a specific point corresponds to a tile control's title using HitTest information Resolved Issues VCL Subscription Q434991 - Data-aware container controls - Format settings are not applied to cells ExpressBars Suite Q440463 - Ribbon - TdxBarApplicationMenu - Check marks displayed for TdxBarLargeButton items appear highly pixelated Q441061 - Ribbon - TdxRibbonBackstageView opened in a new Ribbon Form created in an application remains visible on screen if this Ribbon Form is closed via its Close button Q425185 - Ribbon Form - Incorrect text color is applied to a maximized form's caption B219006 - TcxBarEditItem - LookupComboBox - An error occurs when moving focus from one lookup bar item to another ExpressDocking Library Q440931 - TdxDockPanel is not activated by clicking the panel's tab in TdxTabContainerDockSite ExpressLayout Control Q434679 - A layout group fires the OnTabChanging event twice if the event's handler calls Application.ProcessMessages Q433283 - A layout group with a label layout item that is set to occupy the entire client area of its group has an incorrect width B218895 - Documentation - Incorrect topic navigation due to a corrupt HLP file (Delphi 7 only) ExpressPrinting System Q440760 - Export to PDF - The File Save dialog is not shown if the default file name for a report is too long B218629 - In the Page Number Format dialog, the "Start At" field value is incorrectly validated for character-based number formats B218627 - TBasedxReportLink descendants - Customized values of the TimeFormat, DateFormat and PageFormat properties are reset to their default values in some cases if default formats have been customized at the TdxComponentPrinter level Q440453 - TdxComponentPrinter - The Date And Time dialog cannot be re-opened after the last time format has been selected in the Available Time Formats list Q435027 - The Print Preview window freezes when invoked from a window located in a DLL file B219022 - TreeList Report Link - Rich text formatting is missing when printing cxRichEdit columns ExpressQuantumGrid Suite Q404033 - An exception is thrown when the selection is modified within the View's OnSelectionChanged event handler Q430561 - Assigning a Table View column to a Layout View data item or Card View row modifies the assignee's GroupIndex property Q434910 - Compilation errors occur after the View's Navigator.InfoPanel.OnClick event handler has been created at design time due to the missing cxNavigator unit in the 'uses' clause Q437880 - Data-aware Views - The "RecordIndex out of range" exception is thrown when removing a record if the View contains unbound columns Q433982 - Data-aware Views - The "RowIndex out of range" exception is thrown when updating the TClientDataSet bound to the View within a form's OnDestroy event handler using EmptyDataSet, etc. B218884 - Layout View - Card captions and currently focused items are incorrectly painted in selected cards B218883 - Layout View - Cell content areas are hot-tracked regardless of the View's OptionsBehavior.ItemHotTrack property value B218885 - Layout View - The text color specified in the View's Styles.OnGetItemStyle event handler is not applied to card layout items Q438267 - Server Mode - Clicking a Filter Row cell in a column containing Null values throws the "Could not convert variant of type (Null) into type (OleStr)" exception Q435475 - Tabular and Layout Views - The View does not synchronize edit value changes with the data controller in the OnEditChanged event handler if DataController.Options includes dcoImmediatePost, and a grid item's Properties.ImmediatePost property is set to True ExpressQuantumTreeList Suite Q434260 - TcxDBTreeList refreshes all data if a bound dataset was edited via the TreeList control when the OptionsData.SmartRefresh property is set to True Q435693 - TcxTreeList - An AV occurs when adding nodes in RAD Studio XE3 at design time ExpressScheduler Suite Q431232 - cxDateNavigator - The date navigator does not maintain the number of selected weeks always visible on screen when scrolling months backwards Q433746 - Day View - Resizing an event that lasts more than one day past 11:59pm increases the event's duration by one day if the ShowAllDayEventsInContentArea property is set to True ExpressSkins Library Q435604 - TdxBevel - Additional colors are not defined for the control in the Blueprint, DevExpressStyle, Seven, SevenClassic, VS2010, and Whiteprint skins Q436337 - The Skin Editor does not generate skin packages for RAD Studio XE3 ExpressSpreadSheet B218380 - The TcxSSViewInfoData record fields in the cxSSViewInfo.hpp file generated by a C++Builder application have an invalid alignment ExpressTile Control Q432087 - cxDateEdit controls are not displayed on a detail page when activating this page for the second and subsequent times in Windows XP B218389 - Focus does not move to the previous/next row when it passes the first/last tile within the current row if a tile control's OptionsBehavior.FocusItemOnCycle property is set to True ExpressVerticalGrid Suite Q439250 - Closing the Customization form does not disable the customization mode in error Common Libraries ExpressEditors Library Q431767 - TdxDBBreadcrumbEdit does not update its content after a new record is inserted into a database table in XE2 Update 4 Q434043 - Background and text colors are not applied to a read-only editor if its Properties.ReadOnly property is set via RepositoryItem Q434045 - cxMemo - Scrollbars are not shown if the editor is the last object in a DFM file, the editor has no text, and its Properties.ScrollBars property is set to ssBoth at design time B218869 - dxBreadCrumbEdit - A node's DeleteChildren method does not update the node's HasChildren property Q437728 - dxBreadcrumbEdit - An AV occurs when clicking the Root in a node's drop-down window when the selected node's children are repopulated within an OnPathSelect event handler B213307 - ExpressEditors are erroneously painted by VCL styles, as if they are standard VCL editors Q436036 - Some editors discard changes to the edit value if these changes were made by pasting data from the clipboard, using the Backspace key, etc. Q433948 - TcxImage - Intersections with other transparent DevExpress editors may appear distorted Q440954 - TcxScrollBox - The Create method does not use the GetViewInfoClass method Q436691 - TcxShellBrowserDialog - Memory leaks when selecting a file or folder in the dialog and clicking the OK button Q432788 - TcxSplitter - In Delphi 2010 and later, changes to the AlignSplitter property erroneously cause form resizing Q434498 - TdxShellBreadcrumbEdit - An AV occurs when selecting a file in a linked shell tree view B218303 - TdxShellBreadcrumbEdit - Files selected in a linked shell tree view are added as nodes (folders) to the breadcrumb editor ExpressLibrary Q432285 - TdxScreenTip - An AV occurs when displaying hints for ExpressQuantumGrid cells after ScreenTips have been shown by hint controllers located on other forms

DevExpress VCL v2012 vol 1.6源码、例子、帮助

DevExpress VCL v2012 vol 1.6源码、例子、帮助

=====注意:一共2个压缩分卷,这是第1个!===== DevExpress VCL v2012 vol 1.6 Delphi VCL. 包含所有源码、例子、帮助 支持Metro啦! What's New in DevExpress VCL 12.1.6 Release Notes The following sections list all minor and major changes in DevExpress VCL 12.1.6. Note that products, controls and libraries which aren't mentioned in the list below are included in the unified installer for compatibility, but have not been updated. New Features/Changes ExpressLayout Control S170028 - Documentation - Describe runtime object access capabilities in the "On-Form Object Access" topic S170040 - Documentation - Update the "ExpressLayout Control: Resource Strings" topic with resource strings used in customization context menus ExpressTile Control S170009 - Add the capability to determine if a specific point corresponds to a tile control's title using HitTest information Resolved Issues VCL Subscription Q434991 - Data-aware container controls - Format settings are not applied to cells ExpressBars Suite Q440463 - Ribbon - TdxBarApplicationMenu - Check marks displayed for TdxBarLargeButton items appear highly pixelated Q441061 - Ribbon - TdxRibbonBackstageView opened in a new Ribbon Form created in an application remains visible on screen if this Ribbon Form is closed via its Close button Q425185 - Ribbon Form - Incorrect text color is applied to a maximized form's caption B219006 - TcxBarEditItem - LookupComboBox - An error occurs when moving focus from one lookup bar item to another ExpressDocking Library Q440931 - TdxDockPanel is not activated by clicking the panel's tab in TdxTabContainerDockSite ExpressLayout Control Q434679 - A layout group fires the OnTabChanging event twice if the event's handler calls Application.ProcessMessages Q433283 - A layout group with a label layout item that is set to occupy the entire client area of its group has an incorrect width B218895 - Documentation - Incorrect topic navigation due to a corrupt HLP file (Delphi 7 only) ExpressPrinting System Q440760 - Export to PDF - The File Save dialog is not shown if the default file name for a report is too long B218629 - In the Page Number Format dialog, the "Start At" field value is incorrectly validated for character-based number formats B218627 - TBasedxReportLink descendants - Customized values of the TimeFormat, DateFormat and PageFormat properties are reset to their default values in some cases if default formats have been customized at the TdxComponentPrinter level Q440453 - TdxComponentPrinter - The Date And Time dialog cannot be re-opened after the last time format has been selected in the Available Time Formats list Q435027 - The Print Preview window freezes when invoked from a window located in a DLL file B219022 - TreeList Report Link - Rich text formatting is missing when printing cxRichEdit columns ExpressQuantumGrid Suite Q404033 - An exception is thrown when the selection is modified within the View's OnSelectionChanged event handler Q430561 - Assigning a Table View column to a Layout View data item or Card View row modifies the assignee's GroupIndex property Q434910 - Compilation errors occur after the View's Navigator.InfoPanel.OnClick event handler has been created at design time due to the missing cxNavigator unit in the 'uses' clause Q437880 - Data-aware Views - The "RecordIndex out of range" exception is thrown when removing a record if the View contains unbound columns Q433982 - Data-aware Views - The "RowIndex out of range" exception is thrown when updating the TClientDataSet bound to the View within a form's OnDestroy event handler using EmptyDataSet, etc. B218884 - Layout View - Card captions and currently focused items are incorrectly painted in selected cards B218883 - Layout View - Cell content areas are hot-tracked regardless of the View's OptionsBehavior.ItemHotTrack property value B218885 - Layout View - The text color specified in the View's Styles.OnGetItemStyle event handler is not applied to card layout items Q438267 - Server Mode - Clicking a Filter Row cell in a column containing Null values throws the "Could not convert variant of type (Null) into type (OleStr)" exception Q435475 - Tabular and Layout Views - The View does not synchronize edit value changes with the data controller in the OnEditChanged event handler if DataController.Options includes dcoImmediatePost, and a grid item's Properties.ImmediatePost property is set to True ExpressQuantumTreeList Suite Q434260 - TcxDBTreeList refreshes all data if a bound dataset was edited via the TreeList control when the OptionsData.SmartRefresh property is set to True Q435693 - TcxTreeList - An AV occurs when adding nodes in RAD Studio XE3 at design time ExpressScheduler Suite Q431232 - cxDateNavigator - The date navigator does not maintain the number of selected weeks always visible on screen when scrolling months backwards Q433746 - Day View - Resizing an event that lasts more than one day past 11:59pm increases the event's duration by one day if the ShowAllDayEventsInContentArea property is set to True ExpressSkins Library Q435604 - TdxBevel - Additional colors are not defined for the control in the Blueprint, DevExpressStyle, Seven, SevenClassic, VS2010, and Whiteprint skins Q436337 - The Skin Editor does not generate skin packages for RAD Studio XE3 ExpressSpreadSheet B218380 - The TcxSSViewInfoData record fields in the cxSSViewInfo.hpp file generated by a C++Builder application have an invalid alignment ExpressTile Control Q432087 - cxDateEdit controls are not displayed on a detail page when activating this page for the second and subsequent times in Windows XP B218389 - Focus does not move to the previous/next row when it passes the first/last tile within the current row if a tile control's OptionsBehavior.FocusItemOnCycle property is set to True ExpressVerticalGrid Suite Q439250 - Closing the Customization form does not disable the customization mode in error Common Libraries ExpressEditors Library Q431767 - TdxDBBreadcrumbEdit does not update its content after a new record is inserted into a database table in XE2 Update 4 Q434043 - Background and text colors are not applied to a read-only editor if its Properties.ReadOnly property is set via RepositoryItem Q434045 - cxMemo - Scrollbars are not shown if the editor is the last object in a DFM file, the editor has no text, and its Properties.ScrollBars property is set to ssBoth at design time B218869 - dxBreadCrumbEdit - A node's DeleteChildren method does not update the node's HasChildren property Q437728 - dxBreadcrumbEdit - An AV occurs when clicking the Root in a node's drop-down window when the selected node's children are repopulated within an OnPathSelect event handler B213307 - ExpressEditors are erroneously painted by VCL styles, as if they are standard VCL editors Q436036 - Some editors discard changes to the edit value if these changes were made by pasting data from the clipboard, using the Backspace key, etc. Q433948 - TcxImage - Intersections with other transparent DevExpress editors may appear distorted Q440954 - TcxScrollBox - The Create method does not use the GetViewInfoClass method Q436691 - TcxShellBrowserDialog - Memory leaks when selecting a file or folder in the dialog and clicking the OK button Q432788 - TcxSplitter - In Delphi 2010 and later, changes to the AlignSplitter property erroneously cause form resizing Q434498 - TdxShellBreadcrumbEdit - An AV occurs when selecting a file in a linked shell tree view B218303 - TdxShellBreadcrumbEdit - Files selected in a linked shell tree view are added as nodes (folders) to the breadcrumb editor ExpressLibrary Q432285 - TdxScreenTip - An AV occurs when displaying hints for ExpressQuantumGrid cells after ScreenTips have been shown by hint controllers located on other forms

IT英语单词汇总

IT英语单词汇总

软件编程经常用到的单词

occam一维反演

occam一维反演

C----------------------------------------------------------------------- program runocc C----------------------------------------------------------------------- c C OCCAM 2.0: Steven Constable IGPP/SIO La Jolla CA 92093-0225 c Program Revision 2.01, 13 Jan 1993 c c runocc is the calling program for OCCAM v2.0. C C REFERENCES: CONSTABLE, PARKER & CONSTABLE, 1987: GEOPHYSICS 52, 289-300. C DEGROOT-HEDLIN & CONSTABLE, 1990: GEOPHYSICS 55, 1613-1624. C CONSTABLE, 1991: GEOPHYS. J. INT. 106, 387-388. C CONSTABLE, 1992: OCCAM DISTRIBUTION NOTES. C C REVISION HISTORY: C MARCH 1986, (VERSION 1.2) C OCTOBER 1987, (VERSION 1.3) C AUGUST 1988, (VERSION 1.4) C JANUARY 1989 (WITH THANKS TO C.DEGROOT-HEDLIN), (VERSION 1.5) C SEPTEMBER 1989, (VERSION 1.5.2) C APRIL 1992 (MORE THANKS TO CATHERINE AND ALSO WSE) (VERSION 2.0) C C IF YOU OBTAIN THIS CODE FROM A THIRD PERSON, PLEASE SEND YOUR NAME AND ADDRESS C TO S. CONSTABLE. YOU WILL THEN RECEIVE UPDATES, NEWS ON BUGS, ETC. C C VERSION 2.0 IS A RE-WRITE TO MAKE OCCAM INDEPENDENT OF THE DIMENSIONALITY C OF THE FORWARD PROBLEM, AND TO MAKE MAXIMUM USE OF DYNAMIC MEMORY ALLOCATION, C AS THE ARRAY SIZES FOR THE 2D PROBLEM ARE NOW GETTING TOO LARGE FOR COMFORT. C INCLUDE FILES ARE NOW USED TO STREAMLINE CHANGES OF DIMENSION. C IMPLICIT DOUBLE PRECISION HAS BEEN REMOVED, AGAIN FOR STORAGE REASONS. C CALLING PROGRAM IS NOW AN INTEGRAL PART OF THE PACKAGE AS ALL THE MODEL- C DEPENDENT STUFF HAS BEEN SPUN OFF. C C IF YOU OBTAIN THIS CODE FROM A THIRD PERSON, PLEASE SEND YOUR NAME AND ADDRESS C TO S. CONSTABLE. YOU WILL THEN RECEIVE UPDATES, NEWS ON BUGS, ETC. C C SUBROUTINES WHICH MUST BE SUPPLIED BY THE USER: C C FORMOD(NP,ND,PM,DP,DM), COMPUTES THE FORWARD FUNCTION FOR MODEL PM() AT C THE DATA PARAMETERS DP() AN

图腾柱无桥PFC变换器+平均电流控制+PI电压双闭环前馈控制设计(Simulink仿真实现)

图腾柱无桥PFC变换器+平均电流控制+PI电压双闭环前馈控制设计(Simulink仿真实现)

内容概要:本文围绕图腾柱无桥PFC变换器的Simulink仿真实现,系统阐述了基于平均电流控制策略与PI电压双闭环前馈控制的设计方法,旨在提升功率因数校正系统的动态响应、稳态精度及抗干扰能力。文档详细介绍了主电路拓扑结构、控制环路架构设计、电流内环与电压外环的PI控制器参数整定方法,并重点分析了前馈补偿机制在改善系统瞬态性能中的作用。通过构建完整的Simulink仿真模型,验证了控制策略的有效性与鲁棒性,涵盖了信号采样、PWM调制、闭环调节及系统稳定性分析等关键环节。此外,内容还延伸至该技术在新能源发电、高效率电源系统及工业电力电子装置中的典型应用背景,具有较强的工程实践指导意义。; 适合人群:具备电力电子技术、自动控制理论及Simulink仿真基础,从事新能源变换器、电源产品研发或相关方向研究的科研人员、工程师及高年级本科生、研究生。; 使用场景及目标:①深入理解图腾柱无桥PFC变换器的工作原理及其控制难点;②掌握平均电流模式控制与双闭环PI前馈控制的系统化设计流程;③在Simulink环境中独立搭建高性能PFC仿真模型,用于科研验证、课程设计或实际工程项目开发。; 阅读建议:建议结合Simulink仿真平台边学习边实践,重点关注控制参数的整定过程与系统稳定性的频域分析,可通过对比不同工况下的仿真结果,进一步探究控制策略的优化空间,并推荐与同类PFC控制方案进行性能比较以深化理解。

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