| visibleColumnIndex | This index is the index into the current visible columns. |
int Column index into the columns array in MultiColumnHeaderState.
If using a MultiColumnHeader for the TreeView this method can be used to convert an index from the visible columns list to a index into the actual columns in the MultiColumnHeaderState.
Note that columns can be hidden by using the context menu of the MultiColumnHeader.
See Also: TreeView.RowGUIArgs.GetCellRect.