Cairo.Pattern.Lookup C# (CSharp) Метод

        public static Pattern Lookup(IntPtr pattern, bool owner)
        {
            if (pattern == IntPtr.Zero)
                return null;

            PatternType pt = NativeMethods.cairo_pattern_get_type (pattern);
            switch (pt) {
            case PatternType.Solid:
                return new SolidPattern (pattern, owner);
            case PatternType.Surface:
                return new SurfacePattern (pattern, owner);
            case PatternType.Linear:
                return new LinearGradient (pattern, owner);
            case PatternType.Radial:
                return new RadialGradient (pattern, owner);
            default:
                return new Pattern (pattern, owner);
            }
        }

 public Pattern PopGroup()
 {
     return(Pattern.Lookup(NativeMethods.cairo_pop_group(handle), true));
 }