Name 

Description 

TOnBeforeCommand = procedure (Sender: TObject; var pCommandArgs: TBeforeCommandEventArgs) of object; 

The OnBeforeCommand event is fired before a command (usually a context menu command) is executed.  

TOnBeforeShellCommand = procedure (Sender: TObject; const Command: String; Items: IItemIdListCollection; var AllowExecute: Boolean) of object; 

The event that is fired before a shell command is executed.