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Docs: LCL/grids. Updates the TCustomGrid.TitleImageList topic for changes in 8674f133. Issue #41554.

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dsiders 2025-03-27 13:41:27 -04:00
parent 8674f133af
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docs/xml/lcl/grids.xml
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@ -18141,24 +18141,46 @@ TabAdvance is used in the implementation of the KeyDown method in TCustomGrid.
</element>
<element name="TCustomGrid.TitleImageList">
<short>The list with images displayed in column titles.</short>
<short>
The list with images displayed in column titles.
</short>
<descr>
<p>
<var>TitleImageList</var> is a <var>TImageList</var> property which contains
the images displayed in the title area for columns in the grid. It can
include images used for the non-native column sort indicators.
<var>TitleImageList</var> is a <var>TCustomImageList</var> property which
contains images displayed in the title area for columns on the grid. It can
include images used for the ascending and descending column sort indicators
when <var>TitleStyle</var> is set to a value other than <var>tsNative</var>.
Use <var>ImageIndexSortAsc</var> and <var>ImageIndexSortDesc</var> to specify
the positions for sort images stored in TitleImageList.
</p>
<p>
Setting a new value for the property causes the <var>VisualChange</var>
method to be called to update the column sizes and redraw the control.
method to be called to update column sizes and to redraw the control.
</p>
<p>
TitleImageList is used to get an image resolution using the width specified
in <var>TitleImageListWidth</var>. The images are used when rendering the
<var>TGridColumn</var> instances in the <var>Columns</var> collection.
TitleImageList is used to get an image resolution with the width specified in
<var>TitleImageListWidth</var>. The images are used (when assigned) in
<var>DrawColumnTitleImage</var> and <var>DrawColumnText</var> to render the
<var>TGridColumn</var> instances defined in the <var>Columns</var> collection.
</p>
<p>
Use the <var>Title</var> property in the TGridColumn instance to assign the
<var>ImageIndex</var> and <var>ImageLayout</var> needed for the title image.
</p>
</descr>
<seealso/>
<seealso>
<link id="TCustomGrid.Columns"/>
<link id="TCustomGrid.TitleStyle"/>
<link id="TCustomGrid.TitleImageListWidth"/>
<link id="TCustomGrid.DrawColumnTitleImage"/>
<link id="TCustomGrid.DrawColumnText"/>
<link id="TCustomGrid.ImageIndexSortAsc"/>
<link id="TCustomGrid.ImageIndexSortDesc"/>
<link id="TCustomGrid.VisualChange"/>
<link id="TGridColumn.Title"/>
<link id="TGridColumnTitle.ImageIndex"/>
<link id="TGridColumnTitle.ImageLayout"/>
</seealso>
</element>
<element name="TCustomGrid.TitleImageListWidth">