Functions and Directives

Function NumButtons() Foundation

Determines the number of buttons on the mouse.

Syntax 
NumButtons() --> nMouseButtons
Return

NumButtons() returns an integer numeric value indicating the number of buttons on the mouse.

Description

NumButtons() determines the number of buttons on the mouse. If an Xbase++ application is linked in character mode, the mouse must first be turned on with SetMouse(.T.).

Examples
Determine the number of mouse buttons 


PROCEDURE Main 
   LOCAL nButtons 

   SetMouse(.T.) 
   nButtons := NumButtons() 

   IF nButtons == 3 
      ? "Mouse has three buttons" 
   ELSEIF nButtons == 2 
      ? "Mouse has two buttons" 
   ELSE 
      ? "Number of buttons cannot be determined" 
   ENDIF 
RETURN
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