By default, the ExpandOnDblClick property is False. Use the ExpandOnDblClk property to expand or collapse a folder when user double clicks a folder. When ExpandOnDblClick property is False, the control browses for a new folder when user double clicks the folder. Use the Expand method to programmatically expand a folder giving its path. Use the ExpandFolders property to assign a + sight to folders that include sub folders. The control fires the DblClick event when the user double clicks a file or a folder. Use the FileFromPoint property to retrieve the file from the cursor. Use the Get property to retrieve the selected item.