Quickly duplicate keyframes in Sony Vegas by holding Ctrl while dragging an existing keyframe. Normally, you’d right-click and choose Copy or use the good ‘ol Ctrl-C, Ctrl-V commands.
When moving dialogue windows around in Sony Vegas, they start docking in place. Overtime, this may get frustrating because the window isn’t positioning exactly where you want it to go. To stop this behavior from happening, hold Ctrl while dragging the window. It will move freely and no longer dock in place.