private async void Window_Closing(object s, CancelEventArgs e)
{
if (!HasShownQuitDialog)
{
e.Cancel = true;
var dialog = new CancellableDialog
{
Message = { Text = "Are you sure you wish to quit?" }
};
dialog.AcceptButton.Command = new BaseCommand(o =>
{
HasShownQuitDialog = true;
Application.Current.Shutdown();
});
await DialogHost.Show(dialog, "RootDialog");
await DialogHost.Show(dialog, delegate(object sender, DialogOpenedEventArgs args)
{
args.Session.Close(false);
});
}
}
private async void RunQueryAsync(string query)
{
var connection = _connectionProvider();
//TODO disable commands
if (query == null || connection == null)
{
return;
}
var source = new CancellationTokenSource();
var waitHandle = new ManualResetEvent(false);
source.Token.Register(() => waitHandle.Set());
var cancellableDialogViewModel = new CancellableDialogViewModel(() => source.Cancel(), TimeSpan.FromMilliseconds(2500),
Dispatcher.CurrentDispatcher);
var cancellableDialog = new CancellableDialog
{
DataContext = cancellableDialogViewModel
};
await DialogHost.Show(cancellableDialog, _dialogTargetFinder.SuggestDialogHostIdentifier(), delegate(object sender, DialogOpenedEventArgs args)
{
RunQuery(connection, _generalSettingsProvider().MaxItemCount, query, waitHandle, source, args);
});
}
private async void ExecuteGoodByeDialog(object o)
{
//let's set up a little MVVM, cos that's what the cool kids are doing:
var view = new CancellableDialog
{
DataContext = new DialogModel()
};
//show the dialog
var result = await DialogHost.Show(view, "RootDialog", ClosingEventHandler);
//check the result...
Console.WriteLine("Dialog was closed, the CommandParameter used to close it was: " + (result ?? "NULL"));
}
