private void OnStartUpgrade()
{
IsInUpgrading = true;
string upgradeDescription = string.Empty;
string stepDes = Translator.GetValue("Working on updates\nPart 4 of 4: Upgrading to new version");
try
{
string destAssembly = Path.Combine(_upgradeFolder, "UpgradeHost.DLL");
if (!File.Exists(destAssembly) || !DigitalSignatureChecker.VerifySignature(destAssembly))
{
throw new Exception();
}
UpgradeProxy proxy = new UpgradeProxy(destAssembly);
upgradeDescription = proxy.Description();
_wizardService.UpdateStates(_title, upgradeDescription, stepDes, DoNotTrunOff);
string message;
if (!proxy.CanExecute(out message))
{
throw new Exception(message);
}
try
{
Thread.Sleep(2000);
proxy.Execute(_upgradeFolder, out message);
}
catch (Exception e)
{
throw new Exception(e.InnerException != null?e.InnerException.Message:e.Message);
}
try
{
//delete upgrade folder
//todo KnowIssue ,UpgradeHost.dll can't be delete,as it has been loaded into AppDomain
Directory.Delete(_upgradeFolder, true);
}
catch (Exception e)
{
}
const string shutdownMessage = "Upgrade done successfully.\nSystem will continue automatically after";
string shutdownAdditionDes = string.Empty;
var buttons = new WizardButton[1];
buttons[0] = new WizardButton(WizardButtonEnum.Ok, null, "Continue");
int timeoutTicks = ResourceManager.GetValue("Upgrade", "TimeoutTicks", 10);
_wizardService.UpdateStates(_title, upgradeDescription, shutdownMessage, shutdownAdditionDes, -1, true, buttons, timeoutTicks, buttons[0]);
//Decide to start Main.exe or continue upgrade.
StartOrContinue();
}
catch (Exception e)
{
var buttons = new WizardButton[1];
buttons[0] = new WizardButton(WizardButtonEnum.Ok, null, "Shut Down");
_wizardService.UpdateStates(_title, upgradeDescription, Translator.GetValue("Upgrade failed.\nSystem will shut down."), e.Message, -1, true, buttons);
HostManager.ShutDown(RestartType.ShutdownOS);
}
finally
{
IsInUpgrading = false;
HostManager.ShutDown(RestartType.None);
}
}