HKCU\Control Panel\Mouse

Data type Range Default value
REG_SZ 0 | 1 0


Determines whether the standard functions of the right and left mouse buttons are reversed. If they are reversed, the right button performs normal select and drag functions and the left button opens context menus and performs special drag operations.

Value Meaning
0 Not reversed.
1 Reversed.

Change method

To change the value of this entry, use the Mouse Properties box in Control Panel; the Button configuration box is on the Buttons tab.