static T AllocCallback <T>(SteamAPICall_t handle, out IntPtr pCallback, int k_iCallback)
{
pCallback = Marshal.AllocHGlobal(Marshal.SizeOf(typeof(T)));
SteamUtils.GetAPICallResult(handle, pCallback, Marshal.SizeOf(typeof(T)), k_iCallback, out bool pbFailed);
return((T)Marshal.PtrToStructure(pCallback, typeof(T)));
}
