CheckCell.WorkbookState.ActivateAndCenterOn C# (CSharp) Method

        private void ActivateAndCenterOn(AST.Address cell, Excel.Application app)
        {
            // go to worksheet
            RibbonHelper.GetWorksheetByName(cell.A1Worksheet(), _workbook.Worksheets).Activate();

            // COM object
            var comobj = cell.GetCOMObject(app);

            // center screen on cell
            var visible_columns = app.ActiveWindow.VisibleRange.Columns.Count;
            var visible_rows = app.ActiveWindow.VisibleRange.Rows.Count;
            app.Goto(comobj, true);
            app.ActiveWindow.SmallScroll(Type.Missing, visible_rows / 2, Type.Missing, visible_columns / 2);

            // select highlighted cell
            // center on highlighted cell
            comobj.Select();
        }