Occurs if a new folder is added.
property OnAddFolder: TOnAddNode;
This event occurs, whenever a node is added to the TJamShellTree. You can use it to customize the appearance of the Node or to exclude it by setting CanAdd to false.
The following sample event handler hides the floppy drive in a TJamShellTree.
procedure TMainForm.ShellListAddItem(Node: TJamShellTreeNode; Path: String;
var CanAdd: Boolean);
CanAdd := not (GetDriveType(PChar(Path)) in [DRIVE_REMOVABLE]);