private static uint RecoveryHandler(IntPtr parameter)
{
bool cancelled = false;
ApplicationRecoveryInProgress(out cancelled);
if (cancelled)
{
return(0);
}
GCHandle handle = GCHandle.FromIntPtr(parameter);
RecoverySettings settings = (RecoverySettings)handle.Target;
settings.Callback?.Invoke(settings.State);
handle.Free();
return(0);
}
public static void RegisterApplicationRecovery(RecoverySettings settings)
{
if (!IsPlatformSupported)
{
throw new PlatformNotSupportedException("Requires Windows Vista or later");
}
if (settings == null)
{
throw new ArgumentNullException(nameof(settings));
}
GCHandle handle = GCHandle.Alloc(settings);
int hr = NativeMethods.RegisterApplicationRecoveryCallback(NativeMethods.InternalRecoveryHandler,
GCHandle.ToIntPtr(handle), (uint)Math.Round(settings.PingInterval.TotalMilliseconds), 0);
if (hr != 0)
{
Marshal.ThrowExceptionForHR(hr);
}
}