public RECT(Rectangle rect)
{
this = new NativeMethods.RECT();
this.Left = rect.Left;
this.Top = rect.Top;
this.Right = rect.Right;
this.Bottom = rect.Bottom;
}
public static extern int DrawThemeBackground(IntPtr hTheme, IntPtr hdc, int iPartId, int iStateId, ref NativeMethods.RECT pRect, ref NativeMethods.RECT pClipRect);
