Mouse Menus Need /K on ANSI.SYS Under MS-DOS (61105)
The information in this article applies to:
• Microsoft Mouse driver for MS-DOS 9.0
• Microsoft Mouse driver for MS-DOS 6.x
• Microsoft Mouse driver for MS-DOS 7.x
• Microsoft Mouse driver for MS-DOS 8.x
This article was previously published under Q61105
Mouse menus compiled with MAKEMENU.EXE and run with the MENU.COM that
comes with Microsoft Mouse driver may not work under MS-DOS versions
4.x, 5.x, or 6.0. The menu installs into memory, but isn't visible and
cannot interface correctly with the application.
This information applies to Microsoft Mouse Menu Programming for
MS-DOS systems and all versions of the Microsoft Mouse driver.
The versions of MS-DOS mentioned above sometimes put the following line
the CONFIG.SYS file:
The ANSI.SYS driver defines functions that display graphics, controls
cursor movement, and reassign keys. The presence of this driver
sometimes interferes with the functioning of the Mouse menus.
To allow the menus to work with ANSI.SYS, the /K switch must be
added to the line in the CONFIG.SYS file that loads the ANSI.SYS
driver. For example:
The /K switch forces ANSI.SYS to ignore the extended keys on 101-key
keyboards. The option is available because some computers do not
reliably detect all the extended-keyboard services of 101-key
keyboards. This should not decrease the functionality of ANSI.SYS in
Another option is to remove the ANSI.SYS driver entirely.
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