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DevExpress VCL Controls是 Devexpress公司旗下最老牌的用户界面套包。所包含的控件有：数据录入，图表，数据分析，导航，布局，网格，日程管理，样式，打印和工作流等，让您快速开发出完美、强大的VCL应用程序！DevExpress广泛应用于ECM企业内容管理、 成本管控、进程监督、生产调度，在企业/政务信息化管理中占据一席重要之地。

【适用范围】：Delphi / C++Builder XE2 / XE3 / XE4 / XE5 / XE6 / XE7 / XE8 / XE10 , Embarcadero Delphi , C++Builder 10 Seattle

具体更新内容如下：

已解决的问题

此列表包含了在 v17.2.4中解决的所有问题：

ExpressBars Suite

• T597083 - Ribbon - The Customization Form's font (MS Sans Serif) doesn't match the Ribbon control's font (Tahoma)
• T591948 - Ribbon - The scaling factor is not applied to check marks of bar buttons within a subitem's dropdown menu
• T587700 - Ribbon is incorrectly painted if an application is automatically moved to another monitor in response to turning off the monitor displaying the application in a multiple monitor setup

ExpressDataController

• T585934 - Lookup editors with Time list fields always add a date part to displayed texts
• T594075 - The topmost group row is not displayed if group rows are sorted by summary values

ExpressDocking Library

• T594591 - The control reserves excessive memory to create a double buffer for drawing on restoring the previously saved control's layout if the current monitor DPI exceeds 96

ExpressEditors Library

• T588606 - cxLabel - The width is not stored to a DFM file if the AutoSize and Properties.WordWrap properties are set to True
• T573801 - TcxCheckGroup stores the default EditValue property value to a DFM file
• T596776 - TcxCustomComboBox descendants - An incorrect AIndex parameter value is passed to a Properties.OnDrawItem event handler if the Properties.IncrementalFiltering property is set to True
• T595989 - TcxCustomEdit descendants - Creating and assigning the Parent property in a TForm.OnCreate event handler are significantly slower compared with v16.2
• T587575 - TcxGrid, TcxPivotGrid, and TcxDBPivotGrid - Displaying a filter drop-down window in a form created by referencing the desktop window via the WndParent field brings the main window to the front
• T565945 - TcxShellBrowserDialog - Add a property that returns the current shell item's identifier (PIDL)
• T592277 - TdxCameraControl doesn't apply antialiasing when scaling output frames
• T598760 - The "Control has no parent window" exception occurs when invoking TdxColorDialog in RAD Studio 10 Seattle or later on a computer running Windows 7 or later

ExpressExport Library

• T597759 - Export to Excel - Excel-compatible cell editors export their NULL values as empty strings if True is passed as the AUseNativeFormat parameter to an export method

ExpressLayout Control

• T589203 - A layout control's OccupiedClientWidth property returns the OccupiedClientHeight property value
• T511244 - Add the capability to customize content offsets in tabbed group pages using the LayoutLookAndFeel.Offsets options
• T590000 - An AV occurs when assigning a value to the LayoutLookAndFeel property in a TdxLayoutControl descendant's constructor
• T570683 - Layouts containing a number of hidden groups are loaded very slowly
• T596692 - Performance issues when a TdxForm scales a layout control containing a number of TdxLayoutLabeledItems whose CaptionOptions.WordWrap property is set to True

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