Rediger

Del via


MCI_UNDO command

The MCI_UNDO command reverses the most recent successful MCI_CUT, MCI_COPY, MCI_DELETE, or MCI_PASTE command. Digital-video devices recognize this command.

To send this command, call the mciSendCommand function with the following parameters.

MCIERROR mciSendCommand(
  MCIDEVICEID wDeviceID, 
  MCI_UNDO, 
  DWORD dwFlags, 
  (DWORD) (LPMCI_GENERIC_PARMS) lpUndo
);

Parameters

wDeviceID

Device identifier of the MCI device that is to receive the command message.

dwFlags

MCI_NOTIFY, MCI_WAIT, or MCI_TEST. For information about these flags, see The Wait, Notify, and Test Flags.

lpUndo

Pointer to an MCI_GENERIC_PARMS structure. (Devices with extended command sets might replace this structure with a device-specific structure.)

Return Value

Returns zero if successful or an error otherwise.

Requirements

Requirement Value
Minimum supported client
Windows 2000 Professional [desktop apps only]
Minimum supported server
Windows 2000 Server [desktop apps only]
Header
Mmsystem.h (include Windows.h)

See also

MCI

MCI Commands