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I currently have two monitors (let's call them "left" and "middle" - you'll see why in a sec), and would love three (let's call it "right"). However, I often will throw the mouse-cursor up to the top-right corner on "middle" because for a maximised window that's where the close button will be.

If I add the "right" monitor, the mouse cursor will just carry on off "middle" into "right", and aiming for the close button on "middle" will become more difficult.

I'm currently using UltraMon 3.10, but does anyone know of a way to get the mouse to stick to the corners, so that it doesn't go off into the other monitor (Synergy allows this by configuring the "gap" where the mouse is allowed to travel from monitor to monitor).

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up vote 12 down vote accepted

You could use Windows built in tools. On the resolution settings screen, drag the "middle" monitor down slightly in the layout section at the top, so that hitting the top right corner of the middle monitor will cause it to hit an invisible boundary.

Then you'll just need to ensure you hit the top of the screen before going to the right of the screen.

I've done it for mine, and it's worked for me :)

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I'd just like to say that this is brilliant solution! :) You get my vote. – Domchi Jun 18 '10 at 18:46
Do you mean "drag UP"? That's what works for me. – Michael Sandler Jan 14 '15 at 16:30

Despite it's limited sounding name, Dual Display Mouse Manager may be exactly what you're looking for. I tried using it for a while but just never quite got used to it. I like to sling my mouse around quickly, so I'd drag a window across monitors and let go of the mouse button only to have it snap back because the software wanted to "pause" my pointer. Maybe it needs to take pointer velocity into account.

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Since I didn't clarify: DDMM will work with 3 monitors, which is why I used the phrase "limited sounding" in reference to the name. – afrazier Apr 30 '10 at 17:19
Great program! This functionality should be built into every modern operating system. – mwolfe02 Aug 5 '11 at 12:58

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