>Hi Sergey!
>
>I think that the code RightClick() runs, but menu doesn’t show only after any works with the form. Because after loading the form, menu is visible.
>And I can't set step into the code RightClick()! This form work OK in my computer but not work time after time on the any users computers.
>Please say me where I must check code for trouble? I don't understand.
>

For debugging purpose can you create some file in the RightClick() method and then examine this file (as well as the Other method).

Just an idea.