QMedia Movie clipboard commands |

### QM_Undo

QM_Undo(areaRef):error
| areaRef | Longint | Movie area reference
| error | Longint | Error result

Discards the most recent edit operation on the movie assigned to a movie plug-in area.

Parameter areaRef is the reference to the movie plug-in area.

Edit operations that can be un-done are calls to the QM_Cut, QM_Paste and QM_Clear commands, or corresponding user actions (selections from the "Edit" menu).

Related commands

QM_Cut | Cuts the movie's current selection to the clipboard.
QM_Paste | Inserts the contents of the clipboard into a movie.
QM_Clear | Removes the current selection from a movie.

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