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Control.Invalidate Method

Invalidates a specific region of the control and causes a paint message to be sent to the control.

Name Description
Control.Invalidate () Invalidates the entire surface of the control and causes the control to be redrawn.

Supported by the .NET Compact Framework.

Control.Invalidate (Boolean) Invalidates a specific region of the control and causes a paint message to be sent to the control. Optionally, invalidates the child controls assigned to the control.
Control.Invalidate (Rectangle) Invalidates the specified region of the control (adds it to the control's update region, which is the area that will be repainted at the next paint operation), and causes a paint message to be sent to the control.

Supported by the .NET Compact Framework.

Control.Invalidate (Region) Invalidates the specified region of the control (adds it to the control's update region, which is the area that will be repainted at the next paint operation), and causes a paint message to be sent to the control.
Control.Invalidate (Rectangle, Boolean) Invalidates the specified region of the control (adds it to the control's update region, which is the area that will be repainted at the next paint operation), and causes a paint message to be sent to the control. Optionally, invalidates the child controls assigned to the control.
Control.Invalidate (Region, Boolean) Invalidates the specified region of the control (adds it to the control's update region, which is the area that will be repainted at the next paint operation), and causes a paint message to be sent to the control. Optionally, invalidates the child controls assigned to the control.

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