private static void TryToRunAppSafely()
{
var tryingToRunFlag = Path.Combine(ApplicationDataDirectory, "Trying to run.flag");
FileUtils.EnsureFileDirectoryExists(tryingToRunFlag);
var failedLastTime = File.Exists(tryingToRunFlag);
if (failedLastTime)
{
FileUtils.TryToDelete(tryingToRunFlag);
App.CreateAndRun(true);
return;
}
var createdOnce = false;
DpiAwareWindow.NewWindowCreated += OnWindowCreated;
App.CreateAndRun(false);
void OnWindowCreated(object sender, EventArgs args)
{
if (App.IsSoftwareRenderingModeEnabled())
{
DpiAwareWindow.NewWindowCreated -= OnWindowCreated;
return;
}
var window = (DpiAwareWindow)sender;
if (TryToCreate())
{
if (window.Content == null)
{
window.Content = new Border();
}
window.ContentRendered += OnWindowRendered;
}
}
async void OnWindowRendered(object sender, EventArgs args)
{
var window = (DpiAwareWindow)sender;
window.ContentRendered -= OnWindowRendered;
await Task.Yield();
if (!_crashed)
{
FileUtils.TryToDelete(tryingToRunFlag);
}
}
bool TryToCreate()
{
if (createdOnce || File.Exists(tryingToRunFlag))
{
return(false);
}
createdOnce = true;
File.WriteAllBytes(tryingToRunFlag, new byte[0]);
DpiAwareWindow.NewWindowCreated -= OnWindowCreated;
return(true);
}
}
