mciGetDeviceID function
The mciGetDeviceID function retrieves the device identifier corresponding to the name of an open device.
Syntax
MCIDEVICEID mciGetDeviceID(
LPCTSTR lpszDevice
);
Parameters
- lpszDevice
Pointer to a null-terminated string that specifies the device name or the alias name by which the device is known.
Return value
Returns the device identifier assigned to the device when it was opened if successful. The identifier is used in the mciSendCommand function. If the device name is not known, if the device is not open, or if there was not enough memory to complete the operation, the return value is zero.
Remarks
Each file for a compound device has a unique device identifier. The identifier of the "all" device is MCI_ALL_DEVICE_ID.
Requirements
Minimum supported client |
Windows 2000 Professional [desktop apps only] |
Minimum supported server |
Windows 2000 Server [desktop apps only] |
Header |
Mmsystem.h (include Windows.h) |
Library |
Winmm.lib |
DLL |
Winmm.dll |
Unicode and ANSI names |
mciGetDeviceIDW (Unicode) and mciGetDeviceIDA (ANSI) |