CommandBarButton click event does not fire

I have added a button to the standard commandbar.
I added a click event:
cbbChefsChats.Click += new
Office._CommandBarButtonEvents_ClickEventHandler(cbbChefsChats_Click);

When I click my button, nothing happens.

If I call the click method directly from code the messagebox shows

public void cbbChefsChats_Click(Office.CommandBarButton ctrl, ref bool
cancelDefault)
{
MessageBox.Show("clicked chefschats button");
}


Anyone know why this does not work?

TIA,

Chris









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