private static async void Retry(ResourceDictionary dic, bool isLocal)
{
try
{
if (!Dialog.Ask(LocalizationHelper.Get("S.SavingSettings.Title"), LocalizationHelper.Get("S.SavingSettings.Instruction"), LocalizationHelper.Get("S.SavingSettings.Message")))
{
return;
}
//Get a new instance, but elevated.
var process = ProcessHelper.RestartAsAdminAdvanced("-settings");
await Task.Delay(500);
var settings = new XmlWriterSettings
{
Indent = true,
IndentChars = "\t",
OmitXmlDeclaration = true,
CheckCharacters = true,
CloseOutput = true,
ConformanceLevel = ConformanceLevel.Fragment,
Encoding = Encoding.UTF8
};
//Serialize the settings and pass to the new instance via IPC.
await using var stream = new StringWriter();
await using var writer = XmlWriter.Create(stream, settings);
XamlWriter.Save(dic, writer);
SettingsPersistenceChannel.SendMessage(process.Id, stream.ToString(), isLocal);
//Since the other instance only exists to save the settings (no interface is displayed), the process must be stopped.
process.Kill();
}
catch (Exception e)
{
LogWriter.Log(e, "Impossible to retry to save the settings.");
}
}
private void App_Startup(object sender, StartupEventArgs e)
{
Global.StartupDateTime = DateTime.Now;
//Unhandled Exceptions.
AppDomain.CurrentDomain.UnhandledException += CurrentDomain_UnhandledException;
AppDomain.CurrentDomain.AssemblyResolve += CurrentDomain_AssemblyResolve;
//Increases the duration of the tooltip display.
ToolTipService.ShowDurationProperty.OverrideMetadata(typeof(DependencyObject), new FrameworkPropertyMetadata(int.MaxValue));
var version = FrameworkHelper.GetFrameworkVersion();
if (version > new Version(4, 7, 2))
{
SetSecurityProtocol();
}
//Parse arguments.
Arguments.Prepare(e.Args);
LocalizationHelper.SelectCulture(UserSettings.All.LanguageCode);
ThemeHelper.SelectTheme(UserSettings.All.MainTheme);
//Listen to changes in theme.
SystemEvents.UserPreferenceChanged += SystemEvents_UserPreferenceChanged;
#region Download mode
if (Arguments.IsInDownloadMode)
{
var downloader = new Downloader
{
DownloadMode = Arguments.DownloadMode,
DestinationPath = Arguments.DownloadPath
};
downloader.ShowDialog();
Environment.Exit(90);
return;
}
#endregion
#region Settings persistence mode
if (Arguments.IsInSettingsMode)
{
SettingsPersistenceChannel.RegisterServer();
return;
}
#endregion
#region If set, it allows only one instance per user
//The singleton works on a per-user and per-executable mode.
//Meaning that a different user and/or a different executable intances can co-exist.
//Part of this code wont work on debug mode, since the SetForegroundWindow() needs focus on the foreground window calling the method.
if (UserSettings.All.SingleInstance && !Arguments.NewInstance)
{
try
{
using (var thisProcess = Process.GetCurrentProcess())
{
var user = System.Security.Principal.WindowsIdentity.GetCurrent().User;
var name = thisProcess.MainModule?.FileName ?? Assembly.GetEntryAssembly()?.Location ?? "ScreenToGif";
var location = Convert.ToBase64String(Encoding.UTF8.GetBytes(name));
var mutexName = (user?.Value ?? Environment.UserName) + "_" + location;
_mutex = new Mutex(true, mutexName, out _accepted);
//If the mutext failed to be accepted, it means that another process already openned it.
if (!_accepted)
{
var warning = true;
//Switch to the other app (get only one, if multiple available). Use name of assembly.
using (var process = Process.GetProcessesByName(thisProcess.ProcessName).FirstOrDefault(f => f.MainWindowHandle != thisProcess.MainWindowHandle))
{
if (process != null)
{
var handles = Util.Native.GetWindowHandlesFromProcess(process);
//Show the window before setting focus.
Util.Native.ShowWindow(handles.Count > 0 ? handles[0] : process.Handle, Util.Native.ShowWindowEnum.Show);
//Set user the focus to the window.
Util.Native.SetForegroundWindow(handles.Count > 0 ? handles[0] : process.Handle);
warning = false;
InstanceSwitcherChannel.SendMessage(e.Args);
}
}
//If no window available (app is in the system tray), display a warning.
if (warning)
{
Dialog.Ok(LocalizationHelper.Get("S.Warning.Single.Title"), LocalizationHelper.Get("S.Warning.Single.Header"), LocalizationHelper.Get("S.Warning.Single.Message"), Icons.Info);
}
Environment.Exit(0);
return;
}
//If this is the first instance, register the inter process channel to listen for other instances.
InstanceSwitcherChannel.RegisterServer();
}
}
catch (Exception ex)
{
LogWriter.Log(ex, "Impossible to check if another instance is running");
}
}
#endregion
//Render mode.
RenderOptions.ProcessRenderMode = UserSettings.All.DisableHardwareAcceleration ? RenderMode.SoftwareOnly : RenderMode.Default;
#region Net Framework
if (version < new Version(4, 8))
{
var ask = Dialog.Ask(LocalizationHelper.Get("S.Warning.Net.Title"), LocalizationHelper.Get("S.Warning.Net.Header"), LocalizationHelper.Get("S.Warning.Net.Message"));
if (ask)
{
Process.Start("http://go.microsoft.com/fwlink/?LinkId=2085155");
return;
}
}
#endregion
if (version > new Version(4, 7))
{
SetWorkaroundForDispatcher();
}
#region Net Framework HotFixes
//Only runs on Windows 7 SP1.
if (Environment.OSVersion.Version.Major == 6 && Environment.OSVersion.Version.Minor == 1)
{
Task.Factory.StartNew(() =>
{
try
{
var search = new ManagementObjectSearcher("SELECT HotFixID FROM Win32_QuickFixEngineering WHERE HotFixID = 'KB4055002'").Get();
Global.IsHotFix4055002Installed = search.Count > 0;
}
catch (Exception ex)
{
LogWriter.Log(ex, "Error while trying to know if a hot fix was installed.");
}
});
}
#endregion
#region Tray icon and view model
NotifyIcon = (NotifyIcon)FindResource("NotifyIcon");
if (NotifyIcon != null)
{
NotifyIcon.Visibility = UserSettings.All.ShowNotificationIcon || UserSettings.All.StartMinimized || UserSettings.All.StartUp == 5 ? Visibility.Visible : Visibility.Collapsed;
//Replace the old option with the new setting.
if (UserSettings.All.StartUp == 5)
{
UserSettings.All.StartMinimized = true;
UserSettings.All.ShowNotificationIcon = true;
UserSettings.All.StartUp = 0;
}
//using (var iconStream = GetResourceStream(new Uri("pack://application:,,,/Resources/Logo.ico"))?.Stream)
//{
// if (iconStream != null)
// NotifyIcon.Icon = new System.Drawing.Icon(iconStream);
//}
}
MainViewModel = (ApplicationViewModel)FindResource("AppViewModel") ?? new ApplicationViewModel();
RegisterShortcuts();
#endregion
//var test = new TestField(); test.ShowDialog(); Environment.Exit(1); return;
//var test = new Windows.EditorEx(); test.ShowDialog(); return;
//var test = new Windows.NewWebcam(); test.ShowDialog(); return;
//var test = Settings.UserSettings.All.StartupTop;
#region Tasks
Task.Factory.StartNew(MainViewModel.ClearTemporaryFiles, TaskCreationOptions.LongRunning);
Task.Factory.StartNew(MainViewModel.CheckForUpdates, TaskCreationOptions.LongRunning);
Task.Factory.StartNew(MainViewModel.SendFeedback, TaskCreationOptions.LongRunning);
#endregion
#region Startup
if (Arguments.Open)
{
MainViewModel.Open.Execute(Arguments.WindownToOpen, true);
}
else
{
MainViewModel.Open.Execute(UserSettings.All.StartUp);
}
#endregion
}