Represents a bitmask to indicate which modifier key is pressed during a keyboard or mouse event of a control.
public enum OlShiftState
|olShiftStateShiftMask||Indicates that the SHIFT key is pressed during the event.|
|olShiftStateCtrlMask||Indicates that the CTRL key is pressed during the event.|
|olShiftStateAltMask||Indicates that the ALT key is pressed during the event.|