public static extern GpStatus GdipSetCustomLineCapStrokeCaps(GpCustomLineCap customCap, GpLineCap startCap, GpLineCap endCap);
public GpStatus SetStrokeCaps(GpLineCap startCap, GpLineCap endCap) { return SetStatus(NativeMethods.GdipSetCustomLineCapStrokeCaps(nativeCap, startCap, endCap)); }