TTMSFNCTabSet.OnBeforeDrawTabBackground Event
Occurs before a tab background is drawn and allows default drawing to be suppressed.
API unit family: TMSFNCTabSet
Declaring type: TTMSFNCTabSet
Inherited from: TTMSFNCCustomTabSet
Syntax
OnBeforeDrawTabBackground: TTMSFNCTabSetBeforeDrawTabBackgroundEvent;
Parameters
| Name | Description |
|---|---|
Sender |
Object that triggered the event. |
AGraphics |
Graphics context used for drawing. |
ATabIndex |
Zero-based index of the tab being drawn. |
ARect |
Bounds of the tab background. |
AState |
Current visual state of the tab. |
ADefaultDraw |
Set to False to skip default drawing. |