ControlDesigner::Invalidate Method (Rectangle)
.NET Framework (current version)
Invalidates the specified area of the control that is displayed on the design surface and signals the control designer to redraw the control.
Assembly: System.Design (in System.Design.dll)
To enable the control designer to handle paint events, use the SetViewFlags method in the Initialize method.
The Invalidate method provides the design host with a way to instruct the control designer to redraw a specific part of the control.
.NET Framework
Available since 2.0
Available since 2.0
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