Microsoft KB Archive/106698
The information in this article applies to:
To determine if a user has an MS-DOS mouse driver installed, you can use the MROW() function.
*** Begin Sample Code *** SET MOUSE ON RELEASE WINDOWS IF MROW()=-1 WAIT WINDOW "No MOUSE driver installed" ELSE WAIT WINDOW "Mouse driver is installed" ENDIF *** End Sample Code ***
NOTE: The command SET MOUSE OFF also returns a -1. Additional query words: FoxDos ACTIVE mouse.com mouse.sys
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Last Reviewed: August 23, 1999