Mouse References Frames Mode Line Mouse
Mouse clicks modified with the
bring up menus.
This menu is for selecting a buffer.
This menu is for specifying faces and other text properties for editing formatted text. See Formatted Text.
This menu is mode-specific. For most modes, this menu has the same items as all the mode-specific menu-bar menus put together. Some modes may specify a different menu for this button.
This menu is for specifying the frame's principal font.
 Some systems use Mouse-3 for a mode-specific menu. We took a survey of users, and found they preferred to keep Mouse-3 for selecting and killing regions. Hence the decision to use C-Mouse-3 for this menu.Mouse References Frames Mode Line Mouse