twMISpotOff( nSpotNo )
 ----------------------------------------------------------------------------

     twMISpotOff() and the related function twMISpotOn() are used to
     disable and enable mouse action on an area of the screen defined
     by nSpotNo. These functions are useful if, for instance, you are
     calling another function, say,  a  picklist,  which also uses
     mouse hot spots. If you have a hotspot in the called function
     which overlies the region defined by a previous one, you may want
     to temporarily suspend some spots while you use others. The spots
     are retained in memory but no action is taken when a mouse click
     occurs in the region of the spot when it is disabled. When you
     leave the calling function, turn the old spots back on.

       Arguments:

     nSpotNo - 'N' Handle of the hot spot to be disabled.

       Return:

     NIL

       Example:

     See twMouse2.Prg for examples.