 | Contents | Index |
| Mark | HTk Mark |
| MarkupText | MarkupText |
| Match | MatchChannel |
| MatchChannel | MatchChannel |
| MatchResult | RegularExpression |
| Menu | HTk Menu |
| MenuButton | HTk MenuButton |
| MenuCascade | HTk MenuCascade |
| MenuCheckButton | HTk MenuCheckButton |
| MenuCommand | HTk MenuCommand |
| MenuItem | MenuItem |
| MenuItemKind | Core GUIObjectKind |
| MenuPrim | MenuType |
| MenuRadioButton | HTk MenuRadioButton |
| MenuSeparator | HTk MenuSeparator |
| Message | HTk Message |
| Methods | Core GUIObject |
| Mutex | Mutex |