CMFCShellListCtrl::OnSetColumns
The framework calls this method when it sets the names of the columns.
virtual void OnSetColumns();
Remarks
By default, the framework creates four columns in a CMFCShellListCtrl object. The names of these columns are Name, Size, Type, and Modified. You can override this method to customize the number of columns and their names.
Requirements
Header: afxshelllistctrl.h