This command is used to retrieve the
hardware left speaker volume set using mnSetHardwareVolumeLeft.
Until mnSetHardwareVolumeLeft is used on the specified instance this command will return 0.
int InstanceID: The output instance ID that this command should use.
If no error occurred: the hardware left
speaker volume of the specified instance, set using mnSetHardwareVolumeLeft.
-1 if an error occurred.
DBP
C++
.Net