Q80641: Mouse Behavior in MS-DOS Programs That Run in a Window

Article: Q80641
Product(s): Microsoft Windows 95.x Retail Product
Version(s): WINDOWS:3.1,3.11
Operating System(s): 
Keyword(s): 
Last Modified: 07-NOV-1999

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The information in this article applies to:

- Microsoft Windows versions 3.1, 3.11 
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SUMMARY
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Microsoft Windows version 3.1 changes the way you use your mouse with MS-DOS
applications that run within a window. In Windows version 3.0, the mouse selects
text to be copied to the Clipboard. Windows version 3.1 instead sends the mouse
commands through to the MS-DOS mouse driver. If the driver supports the mouse in
an MS-DOS application running in a window, it sends the mouse command to the
application. The application interprets these mouse commands as if it were
running full-screen. If the MS-DOS mouse driver is not designed to receive mouse
instructions from the Windows version 3.1 mouse driver, the mouse does not
function in the MS-DOS application.

You can change the mouse behavior with Windows 3.1 to the way it works with
Windows version 3.0. This may be helpful if the MS-DOS mouse driver is not
capable of communicating with the Windows version 3.1 mouse driver, or if
selecting text is more important than mouse functionality in an MS-DOS
application running in a window.

MORE INFORMATION
================

To force Windows version 3.1 to use the mouse to select text and copy it to the
Clipboard, add the following line to the SYSTEM.INI file under the
[NonWindowsApp] section:

  MouseInDOSBox=0

NOTE: You must exit and restart Windows to activate this change.

Removing this line or replacing the zero with a one (1) resets the mouse behavior
back to the Windows version 3.1 default.

Additional query words: 3.10 win31 3.11

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Keywords          :  
Technology        : kbWin3xSearch kbZNotKeyword3 kbWin310 kbWin311
Version           : WINDOWS:3.1,3.11

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