This message copies the specified range of data from the device file to the clipboard or application buffer. The position of the media remains the same as prior to the copy operation.

ulParam1 (ULONG)

This parameter can contain any of the following flags:

MCI_NOTIFY

A notification message will be posted to the window specified in the hwndCallback parameter of the data structure pointed to by the pParam2 parameter. The notification will be posted when the action indicated by this message is completed or when an error occurs.
MCI_WAIT
Control is not to be returned until the action indicated by this message is completed or an error occurs.
MCI_FROM
The beginning position of a copy from a file. The position of the media will either be the position specified in MCI_FROM or the previous position if MCI_FROM is not specified.
MCI_TO
The ending position of a copy from a file.
MCI_FROM_BUFFER
Places information from a buffer into the clipboard. If this flag is not specified, the file is used.
MCI_TO_BUFFER
Places information from a file into a buffer. If this flag is not specified, the clipboard is used.

pParam2 (PMCI_EDIT_PARMS)

A pointer to the MCI_EDIT_PARMS data structure.

rc (ULONG)

Return codes indicating success or type of failure:

MCIERR_SUCCESS

Copy was successful.
MCIERR_INVALID_BUFFER
Buffer was too small to hold data.
MCIERR_OUTOFRANGE
The units are out of the range.
MCIERR_INVALID_DEVICE_ID
The device ID is not valid.
MCIERR_MISSING_PARAMETER
Required parameter is missing.
MCIERR_INVALID_FLAG
Flag is invalid (ulParam1).
MCIERR_UNSUPPORTED_FLAG
Given flag is unsupported for this device.
MCIERR_INSTANCE_INACTIVE
The device is currently inactive. Issue MCI_ACQUIREDEVICE to make the device context active.
MCIERR_INVALID_CALLBACK_HANDLE
Given callback handle is invalid.
MCIERR_OUT_OF_MEMORY
There is insufficient memory to perform the operation.
MCIERR_CLIPBOARD_ERROR
A problem with the clipboard occurred.

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