void SetZoomLevel( 
   int zoomLevel
)

{
    //Check if the active pane is an ITablePane
    if (FrameworkApplication.Panes.ActivePane is ITablePane tablePane)
    {
        //Get the current zoom level of the table pane
        var currentZoomLevel = tablePane.ZoomLevel;
        // Set a new zoom level, for example, increase it by 50
        var newZoomLevel = currentZoomLevel + 50;
        // Set the new zoom level to the table pane
        tablePane.SetZoomLevel(newZoomLevel);
    }
}