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mciSendString
The mciSendString function sends a command string to an MCI device. The device that the command
is sent to is specified in the command string.
MCIERROR mciSendString(
LPCTSTR lpszCommand,
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| LPTSTR lpszReturnString,
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| UINT cchReturn,
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| HANDLE hwndCallback
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| );
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Parameters
lpszCommand
Address of a null-terminated string that specifies an MCI command string. For
more information about the command strings, see Command Strings.
lpszReturnString
Address of a buffer that receives return information. If no return information
is needed, this parameter can be NULL.
cchReturn
Size, in characters, of the return buffer specified by the lpszReturnString parameter.
hwndCallback
Handle of a callback window if the "notify" flag was specified in the command
string.
Return Values
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 error values, see Constants: MCIERR Return Values.
To retrieve a text description of mciSendString return values, pass the return value to the mciGetErrorString function.
See Also
mciGetErrorString
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