Help! Mouse control outside of canvas..

BlitzPlus Forums/BlitzPlus Programming/Help! Mouse control outside of canvas..

CS_TBL:
Yes, I've done something much the same as that,
but it seems it can't be done without holding down the left
mouse button.. :\

Nicoust:
I've tried using MouseXY(desktop), but then I have to use
GadgetXY(window) and that includes the window borders, which can vary in size..