/// <summary>
/// Register a callback function to receive eye camera related data when the module has new outputs.
/// </summary>
/// <param name="callback">function pointer of callback</param>
/// <returns>error code. please refer Error in ViveSR_Enums.h.</returns>
public static int WrapperRegisterEyeDataCallback(System.IntPtr callback)
{
return(SRanipal_Eye_API.RegisterEyeDataCallback_v2(callback));
}