Toolbars
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The latest version of this topic can be found at Toolbars.
The toolbar family of articles describes MFC toolbars and how to create and use them.
What do you want to know more about
How to Update User-Interface Objects (enable/disable toolbar buttons)
The CToolBar and CToolBarCtrl classes
For more information about MFC toolbars, see article Q232017, "HOWTO: Add Text to Toolbar Buttons," in the Microsoft Knowledge Base at https://support.microsoft.com.