VerbValue Action
0 The default action for the object.
-1 Activates the object for editing. If the application that created the object supports in-place activation, the object is activated within the OLE container control.
-2 Opens the object in a separate application window. If the application that created the object supports in-place activation, the object is activated in its own window.
-3 For embedded objects, hides the application that created the object.
-4 If the object supports in-place activation, activates the object for in-place activation and shows any user interface tools. If the object doesn't support in-place activation, the object doesn't activate, and an error occurs.
-5 If the user moves the focus to the OLE container control, creates a window for the object and prepares the object to be edited. An error occurs if the object doesn't support activation on a single mouse click.
-6 Used when the object is activated for editing to discard all record of changes that the object's application can undo.
