Cairo.Context.Context C# (CSharp) Method

        static Context()
        {
            //
            // This is used to determine what kind of structure
            // we should use to marshal Glyphs, as the public
            // definition in Cairo uses `long', which can be
            // 32 bits or 64 bits depending on the platform.
            //
            // We assume that sizeof(long) == sizeof(void*)
            // except in the case of Win64 where sizeof(long)
            // is 32 bits
            //
            int ptr_size = Marshal.SizeOf<IntPtr>();

            var isWindows = RuntimeInformation.IsOSPlatform(OSPlatform.Windows);
            if (isWindows || ptr_size == 4){
                c_compiler_long_size = 4;
                native_glyph_size = Marshal.SizeOf<NativeGlyph_4byte_longs>();
            } else {
                c_compiler_long_size = 8;
                native_glyph_size = Marshal.SizeOf<Glyph>();
            }
        }