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DocumentManager.Invalidate Method

Name Parameters Description
Invalidate() none Invalidates the region occupied by the DocumentManager (adds it to the update region that will be repainted during the next paint operation), and causes a paint message to be sent to the DocumentManager.
Invalidate(Rectangle) rect Invalidates the specified region occupied by the DocumentManager (adds it to the update region that will be repainted during the next paint operation), and causes a paint message to be sent to the DocumentManager.