Is it possible to create an active xy field on a screen that with the movement of a mouse cursor within this field could operate 2 proportional valves (one on each axis) being +-10v on the x and y respectively. These proportional valves would be powering individual hydraulic cylinders each with linear positional feedback which could be routed back into labview for positional monitoring. Im basicly trying to control an arm with the mouse cursor.
Sure. All you need to do is to respond to the MouseMove event. You can place, for example, a picture box to act as this "field". Attached is a simple example in LV8.2. There's lots of other ways to do it.