/// <inheritdoc />
/// <summary>
/// Hook for processing the end of the application's lifecycle to tear down required state
/// </summary>
/// <param name="args">Arguments providing additional information about the closing of the application</param>
protected override void OnExit(ExitEventArgs args)
{
_viewModel?.Dispose();
_viewModel = null;
if (!LoggingUtilities.ShutdownLogger())
{
DoShutdown(ResultCode.LoggerFailure);
return;
}
base.OnExit(args);
}