4GL Access: RW

The ModifierKeys attribute identifies the key or combination of keys pressed when the input action took place.

The keys identified are the right and left Shift, Control and Alt keys, and the Escape, Function, and Logo keys.

Valid ModifierKey values are:

KB_NONE
KB_SHIFT
KB_CONTROL
KB_ALT
KB_SHIFT_LEFT
KB_SHIFT_RIGHT
KB_CONTROL_LEFT
KB_CONTROL_RIGHT
KB_ALT_LEFT
KB_ALT_RIGHT
KB_ESCAPE
KB_FUNCTION
KB_LOGO

For more information about system constants for these values, see Key State Settings.