Function name: mciSendCommand

Defined in : winmm

Requirements : Windows NT 3.1 or later; Windows 95 or later

Declaration:

Declare Function mciSendCommand Lib "winmm.dll" Alias "mciSendCommandA" (ByVal wDeviceID As Long, ByVal uMessage As Long, ByVal dwParam1 As Long, ByRef dwParam2 As Any) As Long

Parameters:

* IDDevice Device identifier of the MCI device that is to receive the command message. This parameter is not used with the MCI_OPEN command message. * uMsg Command message. For information about command messages, see Command Messages. * fdwCommand Flags for the command message. * dwParam Address of a structure that contains parameters for the command message.

Returns:

Returns zero if successful or an error otherwise. The low-order word of the returned doubleword value contains the error return value. If the error is device-specific, the high-order word of the return value is the driver identifier; otherwise, the high-order word is zero. For a list of possible return values, see Constants: MCIERR Return Values. To retrieve a text description of mciSendCommand return values, pass the return value to the mciGetErrorString function.

Related functions:

Examples:

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