Habanero.Faces.Win.GenericGridFilterControlWin.SetUIState C# (CSharp) Method

        private void SetUIState(bool filtering)
        {
            //this.Enabled = !filtering;
            this.Grid.Enabled = !filtering;
            this.UseWaitCursor = filtering;
            this.Cursor = filtering ? Cursors.WaitCursor : Cursors.Default;
            var grid = this.Grid as DataGridView;
            if (grid != null)
            {
                grid.UseWaitCursor = filtering;
                grid.Cursor = this.Cursor;
            }
            Application.DoEvents();
            this._filterTextBox.Focus();
        }