Cairo.NativeMethods.cairo_pattern_add_color_stop_rgb C# (CSharp) Метод

        internal static extern void cairo_pattern_add_color_stop_rgb(IntPtr pattern, double offset, double red, double green, double blue);

 public Status AddColorStopRgb(double offset, Color c)
 {
     CheckDisposed();
     NativeMethods.cairo_pattern_add_color_stop_rgb(Handle, offset, c.R, c.G, c.B);
     return(Status);
 }