I don't think individual applications can enable V-Sync if they aren't full-screen, since it involves controlling the entire video buffer, does it not?
Besides which, the Windows desktop since Vista has automatically enabled V-Sync. Perhaps the screen-tearing is caused by something else?
"But I don't want to go among mad people."
"Oh, you can't help that. We're all mad here. I'm mad. You're mad."
"How do you know I'm mad?"
"You must be, or you wouldn't have come here."
Public Key ID: 057420A1