TTMSFNCWaitingIndicatorBeforeDrawIndicatorEvent Event Type

Event fired before an indicator or overlay is drawn, allowing customization or suppression.

API unit family: TMSFNCWaitingIndicator

Parameters

Name	Description
Sender	Waiting indicator that fired the event.
AGraphics	Graphics context used for rendering.
ARect	Rectangle to be drawn.
AAllow	Set to False to suppress the entire draw call.
ADefaultDraw	Set to False to suppress the default drawing while keeping the event active.