TTMSFNCDataGridBeforeDrawHeaderGroupLevelEvent Event Type
Fired before a grouping-bar level strip is drawn. Set
ACanDrawto False to suppress the default rendering.
API unit family: TMSFNCDataGrid
Parameters
| Name | Description |
|---|---|
Sender |
Grid that fired the event. |
AGraphics |
Graphics context to use for custom painting when ACanDraw is set to False. |
ARect |
Bounding rectangle of the level strip about to be drawn. |
ALevel |
Zero-based nesting level of the strip within the grouping bar. |
AActive |
True when at least one column is grouped at this level. |
ACanDraw |
Set to False to suppress the default strip rendering and paint entirely in this handler. |