public CallStateEventArgs(int callIndex, ToxAvCallbackID id) : base(callIndex) { Id = id; }
public static extern void RegisterCallstateCallback(ToxAvHandle toxAv, ToxAvDelegates.CallstateCallback callback, ToxAvCallbackID id, IntPtr userData);
public static extern void RegisterCallstateCallback(ToxAvHandle toxav, ToxAvDelegates.CallstateCallback callback, ToxAvCallbackID id, IntPtr userdata);