I'm trying to assign a custom keyboard action to a mouse button-- when I press the WIN, CTRL, ALT, SHIFT keys, it shows up as that button-- however I want to be able to activate a keyboard combo of both LEFT and RIGHT WIN, CTRL, ALT, or SHIFT keys at the same time. When I hold down LEFT SHIFT and RIGHT SHIFT for example, it just shows that SHIFT is pressed, but I'd like some indication that I can do SHIFT + SHIFT, etc.