SetVolumeLabel info Overview Group

The SetVolumeLabel function sets the label of a file system volume.

BOOL SetVolumeLabel(

LPCTSTR lpRootPathName,	// address of name of root directory for volume
LPCTSTR lpVolumeName	// name for the volume
);

Parameters

lpRootPathName: Points to a null-terminated string specifying the root directory of a file system volume. This is the volume the function will label. If this parameter is NULL, the root of the current directory is used.
lpVolumeName: Points to a string specifying a name for the volume. If this parameter is NULL, the function deletes the name of the specified volume.

If the function succeeds, the return value is nonzero.

If the function fails, the return value is zero. To get extended error information, call GetLastError.