If the parent ToolBar has the ShowToolTips property turned on, then this property describes the text that will be displayed for this button
[Visual Basic] Public Property ToolTipText As String [C#] public string ToolTipText {get; set;} [C++] public: __property String* get_ToolTipText(); public: __property void set_ToolTipText(String*); [JScript] public function get ToolTipText() : String; public function set ToolTipText(String);
ToolBarButton Class | ToolBarButton Members | System.WinForms Namespace