mciPlayFile Return Value - rc

rc (ULONG) - returns

Return codes indicating success or type of failure:

MCIERR_SUCCESS

If the function succeeds, 0 is returned.
MCIERR_NO_ASYNC_PLAY_ACTIVE
A synchronous (default) play command is pending or no asynchronous play is currently active for the associated owner window.
MCIERR_MISSING_PARAMETER
Required parameter is missing.
MCIERR_FILE_ATTRIBUTE
File is read only, or is opened for write mode by other application.
MCIERR_INSTANCE_INACTIVE
The device is currently inactive. Can be returned if another application has opened or acquired the device for exclusive use. Issue MCI_ACQUIREDEVICE to activate the device ID.
MCIERR_UNSUPPORTED_FLAG
Given flag is unsupported for this device.
MCIERR_INVALID_CALLBACK_HANDLE
Given callback handle is invalid.
MCIERR_UNSUPPORTED_FUNCTION
Unsupported function.
MCIERR_FLAGS_NOT_COMPATIBLE
Flags can not be used together.
MCIERR_FILE_NOT_FOUND
File has not been loaded.
MCIERR_DUPLICATE_ALIAS
Alias already exists.
MCIERR_INVALID_BUFFER
Invalid return buffer given.
MCIERR_CANNOT_LOAD_DRIVER
The driver could not be loaded.
MCIERR_DEVICE_LOCKED
The device is acquired for exclusive use.
MCIERR_OUT_OF_MEMORY
Out of memory.

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