TTMSFNCColorWheel.OnBeforeDrawSelectedColorPanel Event
Fires before the selected-color preview panel is drawn, allowing custom drawing.
API unit family: TMSFNCColorWheel
Declaring type: TTMSFNCColorWheel
Inherited from: TTMSFNCCustomColorWheel
Syntax
OnBeforeDrawSelectedColorPanel: TTMSFNCCustomColorWheelBeforeDrawSelectedColorPanelEvent;
__property TTMSFNCCustomColorWheelBeforeDrawSelectedColorPanelEvent OnBeforeDrawSelectedColorPanel = {read=FOnBeforeDrawSelectedColorPanel, write=FOnBeforeDrawSelectedColorPanel};
Parameters
| Name | Description |
|---|---|
Sender |
Object that triggered the event. |
AGraphics |
Graphics context used for drawing. |
ARectF |
Preview panel rectangle. |
ASelectedColor |
Current selected color. |
AAllow |
Set to False to skip drawing the preview panel. |
ADefaultDraw |
Set to False after custom drawing to suppress the default drawing. |