Control.RectangleToClient(Rectangle) Method  
Definition
Important
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Computes the size and location of the specified screen rectangle in client coordinates.
public:
 System::Drawing::Rectangle RectangleToClient(System::Drawing::Rectangle r);
	public System.Drawing.Rectangle RectangleToClient(System.Drawing.Rectangle r);
	member this.RectangleToClient : System.Drawing.Rectangle -> System.Drawing.Rectangle
	Public Function RectangleToClient (r As Rectangle) As Rectangle
	Parameters
Returns
A Rectangle that represents the converted Rectangle, r, in client coordinates.