disable mouse right click

I need to disable mouse right click on some bar(I don't know how this bar
is called). it's bar
where icons of clock, switch of keyboard are located.
I hook mouse messages on desktop. But menu (as a result of mouse right
click) didn't disappear on this bar.  
After i thought that it is TaskBar and used Handle of TaskBar
 Result := FindWindow('Shell_TrayWnd', nil);
But it doesn't help me.
Could you tell me the name of this bar and how i can to get the handle of
this window.

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