public CommandBarButton()
 {
     CreateFromProgId("Office.CommandBarButton");
     _sinkHelper = new _CommandBarButtonEvents_SinkHelper(this);
 }
 public CommandBarButton(string progId)
 {
     CreateFromProgId(progId);
     _sinkHelper = new _CommandBarButtonEvents_SinkHelper(this);
 }
 public CommandBarButton(COMObject parentObject, object comProxy, Type comProxyType) : base(parentObject, comProxy, comProxyType)
 {
     _sinkHelper = new _CommandBarButtonEvents_SinkHelper(this);
 }