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