Set the finetune for the currently playing note on a channel. The finetune range depends on the pitch wheel depth of the instrument playing on the current channel; for sample-based modules, the depth of this command is fixed to +/-1 semitone. This command does not affect subsequent notes played on the same channel, but may itself be overridden by subsequent finetune commands encountered in the module itself.

[UnmanagedFunctionPointer(CallingConvention.Cdecl)]
public delegate int ModuleExtInterfaceInteractive2.SetNoteFinetuneDelegate(IntPtr modExt, int channel, double finetune) : 
    MulticastDelegate, ICloneable, ISerializable