public static extern bool DrawIconEx(IntPtr hDC, int Left, int Top, IntPtr hIcon, int Width, int Height, int StepIfAniCur, IntPtr BrushForFlickerFreeDraw, DrawIconExFlags Flags);
public static extern bool DrawIconEx(IntPtr hdc, int xLeft, int yTop , IntPtr hIcon, int cxWidth, int cyHeight , int istepIfAniCur, IntPtr hbrFlickerFreeDraw, DrawIconExFlags diFlags);