TClrCustomControl.Invalidate Method

Invalidates the entire surface of the control and causes the control to be redrawn.

Namespace: CNClrLib.Control.Base
 procedure Invalidate; reintroduce; overload;

Calling the Invalidate method does not force a synchronous paint; to force a synchronous paint, call the Update method after calling the Invalidate method. When this method is called with no parameters, the entire client area is added to the update region.