ScreenToGif.Modern.con_revertOrder_Click C# (CSharp) Method

        private void con_revertOrder_Click(object sender, EventArgs e)
        {
            if (_listFramesEdit.Count <= 1) return;

            this.Cursor = Cursors.AppStarting;

            ResetUndoProp();

            _listFramesEdit.Reverse();
            _listDelayEdit.Reverse();

            pictureBitmap.Image = _listFramesEdit[trackBar.Value].From();
            this.Text = Resources.Title_EditorFrame + trackBar.Value + " - " + (_listFramesEdit.Count - 1);

            DelayUpdate();
            GC.Collect();

            this.Cursor = Cursors.Default;
        }