MCI_COPY Parameter - ulParam1

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.

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