ToolStripItem.Invalidate Method (Rectangle)


Invalidates the specified region of the ToolStripItem by adding it to the update region of the ToolStripItem, which is the area that will be repainted at the next paint operation, and causes a paint message to be sent to the ToolStripItem.

Namespace:   System.Windows.Forms
Assembly:  System.Windows.Forms (in System.Windows.Forms.dll)

public void Invalidate(
	Rectangle r


Type: System.Drawing.Rectangle

A Rectangle that represents the region to invalidate.

.NET Framework
Available since 2.0
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