/// <summary>
/// Gets the index of the last column corresponding to the specified flow direction.
/// </summary>
/// <param name="treeGrid">
/// The corresponding treeGrid to get the index of last column.
/// </param>
/// <param name="flowdirection">
/// Corresponding direction to get the index of last column.
/// </param>
/// <returns>
/// Returns the index of last column.
/// </returns>
public static int GetLastColumnIndex(this SfTreeGrid treeGrid, FlowDirection flowdirection = FlowDirection.LeftToRight)
{
if (flowdirection == FlowDirection.RightToLeft)
{
return(treeGrid.GetFirstColumnIndex());
}
int lastIndex = treeGrid.Columns.IndexOf(treeGrid.Columns.LastOrDefault(col => col.ActualWidth != 0d && !double.IsNaN(col.ActualWidth)));
//CurrentCell is updated when clicking on RowHeader when there is no columns in view, hence the below condition is added.
if (lastIndex < 0)
{
return(lastIndex);
}
lastIndex = treeGrid.ResolveToScrollColumnIndex(lastIndex);
return(lastIndex);
}