public void Terminate() => ThreadPool.QueueUserWorkItem(async state =>
{
addOnManager.AddOnAutomaticallyUpdated -= AddOnManagerAddOnAutomaticallyUpdatedHandler;
addOnManager.AddOnUpdateAvailable -= AddOnManagerAddOnUpdateAvailableHandler;
addOnManager?.Dispose();
worldOfWarcraftInstallation?.Dispose();
await File.WriteAllTextAsync(stateFile.FullName, JsonConvert.SerializeObject(new AppState
{
MainWindowHeight = MainWindowHeight,
MainWindowLeft = MainWindowLeft,
MainWindowTop = MainWindowTop,
MainWindowWidth = MainWindowWidth,
ShowPrereleaseVersions = ShowPrereleaseVersions,
ThemeIsDark = ThemeIsDark,
ThemeIsHorde = ThemeIsHorde
})).ConfigureAwait(false);
singleInstance?.Dispose();
await OnUiThreadAsync(() => Shutdown()).ConfigureAwait(false);
});
