The digital video device supports the use of application buffers by editing commands to support drag and drop functions. The following flags are supported by the editing commands:
Message
To determine the buffer length for an editing operation, the application can issue MCI_CUT or MCI_COPY with either the MCI_FROM_BUFFER or MCI_TO_BUFFER flag set and a zero buffer length. The editing operation will not be performed, but the length of the buffer that is necessary for the operation will be returned in the buffer length field.