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I'm using C2 with Surface pro 3 and Windows Pc with pen tablet,
both of them have pen and have a problem with the right click button.
When I want to do the right click I have to do it with pen, and here is how to do it.
1 hover the pen over the screen.
2 pressed and hold the right click button.
3 click and drag on the screen while holding the right click button.
4 release the right click button on wherever you want to do the right click.