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Cancel Activation
is available in most contexts to stop or cancel the current
interaction.
has an impact on the following contexts:
- Pressing
during a mouse-based selection or drag operation must cancel the
operation.
- Pressing
during a mouse-based scrolling operation must cancel the
scrolling action and return the system to its state prior to
the start of the scrolling operation.
- Pressing
anywhere in a DialogBox must be equivalent to activating the
Cancel PushButton, if one exists, except during a mouse-based
selection or drag operation, in which case it should cancel the
operation.
- Pressing
in a Pulldown Menu must either dismiss the Menu and move
the location cursor to the CascadeButton used to pull it down or
unpost the entire Menu system.
in a Popup Menu, Option Menu, TearOff Menu, or MenuBar must unpost the
Menu system.
- Pressing
while the focus is in a torn off Menu window must close the
torn off Menu window.