Set ShowColumnHeaders to specify whether the columns in the list view should display column headers. A column header is a panel with a caption that identifies the category of items in the column of the list view. Headers are useful for labeling columns of subitems that provide additional information in a list view. Use the Columns property to create or add headers.  

To use columns in a list view, the ViewStyle property must be set to vsReport.  

Jam.Shell.Controls.BaseShellListView.TJamCustomFileList