public FileFilterFuncWrapper(Gtk.FileFilterFunc managed)
 {
     this.managed = managed;
     if (managed != null)
     {
         NativeDelegate = new FileFilterFuncNative(NativeCallback);
     }
 }
        public static Gtk.FileFilterFunc GetManagedDelegate(FileFilterFuncNative native)
        {
            if (native == null)
            {
                return(null);
            }
            FileFilterFuncWrapper wrapper = (FileFilterFuncWrapper)native.Target;

            if (wrapper == null)
            {
                return(null);
            }
            return(wrapper.managed);
        }
		public static Gtk.FileFilterFunc GetManagedDelegate (FileFilterFuncNative native)
		{
			if (native == null)
				return null;
			FileFilterFuncWrapper wrapper = (FileFilterFuncWrapper) native.Target;
			if (wrapper == null)
				return null;
			return wrapper.managed;
		}
		public FileFilterFuncWrapper (Gtk.FileFilterFunc managed)
		{
			this.managed = managed;
			if (managed != null)
				NativeDelegate = new FileFilterFuncNative (NativeCallback);
		}
		internal FileFilterFuncInvoker (FileFilterFuncNative native_cb, IntPtr data, GLib.DestroyNotify notify)
		{
			this.native_cb = native_cb;
			__data = data;
			__notify = notify;
		}
		internal FileFilterFuncInvoker (FileFilterFuncNative native_cb, IntPtr data) : this (native_cb, data, null) {}
		internal FileFilterFuncInvoker (FileFilterFuncNative native_cb) : this (native_cb, IntPtr.Zero, null) {}
 internal FileFilterFuncInvoker(FileFilterFuncNative native_cb, IntPtr data, GLib.DestroyNotify notify)
 {
     this.native_cb = native_cb;
     __data         = data;
     __notify       = notify;
 }
 internal FileFilterFuncInvoker(FileFilterFuncNative native_cb, IntPtr data) : this(native_cb, data, null)
 {
 }
 internal FileFilterFuncInvoker(FileFilterFuncNative native_cb) : this(native_cb, IntPtr.Zero, null)
 {
 }