/// <summary>
/// This method demos a custom dialog that requires no buttons
/// but will be closed after an ellapsed interval of time.
/// </summary>
/// <param name="parentWindow"></param>
internal async void ShowCustomDialog(IMetroWindow parentWindow)
{
var dlg = GetService <IContentDialogService>();
var manager = dlg.Manager;
object dlgContent = Application.Current.Resources["CustomDialogTest"];
var viewModel = new Demos.ViewModels.MsgDemoViewModel()
{
DialogCanCloseViaChrome = false
, CloseWindowButtonVisibility = false
, Title = "Custom Dialog"
};
var customDialogView = new MWindowDialogLib.Dialogs.CustomDialog(
parentWindow
, dlgContent
, viewModel);
#pragma warning disable CS4014
// Dialog is not awaited to allow next message box to be displayed on top of it.
manager.ShowMetroDialogAsync(parentWindow, customDialogView);
#pragma warning restore CS4014
viewModel.Message = "A message box will appear in 5 seconds.";
await Delay(5000);
await dlg.MsgBox.ShowAsync(parentWindow, "This message is shown on top of another.", "Secondary dialog");
viewModel.Message = "The dialog will close in 2 seconds.";
await Delay(2000);
await manager.HideMetroDialogAsync(parentWindow, customDialogView);
}
/// <summary>
/// This method demos a custom dialog that can envoke an external
/// close event via the dialogs viewmodel.
///
/// 1) The DialogClosed event of the viewmodel is raised via
/// the CloseCommand and executes the CloseCustomDialog method below.
/// The CloseCustomDialog method executes the manager's
/// HideMetroDialogAsync method which in turn raises
///
/// 2) The manager's DialogClosed event which in turn
///
/// 3) Shows another dialog via the inline bound event...
/// </summary>
/// <param name="parentWindow"></param>
internal async void ShowAwaitCustomDialog(IMetroWindow parentWindow)
{
var dlg = GetService <IContentDialogService>();
var manager = dlg.Manager;
EventHandler <DialogStateChangedEventArgs> dialogManagerOnDialogOpened = null;
dialogManagerOnDialogOpened = (o, args) => {
manager.DialogOpened -= dialogManagerOnDialogOpened;
Console.WriteLine("Custom Dialog opened!");
};
manager.DialogOpened += dialogManagerOnDialogOpened;
EventHandler <DialogStateChangedEventArgs> dialogManagerOnDialogClosed = null;
dialogManagerOnDialogClosed = (o, args) => {
manager.DialogClosed -= dialogManagerOnDialogClosed;
Console.WriteLine("Custom Dialog closed!");
dlg.MsgBox.Show(parentWindow, "Dialog gone", "The custom dialog has closed");
};
manager.DialogClosed += dialogManagerOnDialogClosed;
// Construct a viewmodel with the interaction logic
var viewModel = new Demos.ViewModels.MsgDemoViewModel();
viewModel.DialogClosed += CloseCustomDialog;
// Construct a view with the content to be displayed
var dlgContent = Application.Current.Resources["CustomCloseDialogTest"];
var customDialogView = new MWindowDialogLib.Dialogs.CustomDialog(
parentWindow
, dlgContent
, viewModel);
_dialog = customDialogView;
_parentWindow = parentWindow;
await manager.ShowMetroDialogAsync(parentWindow, customDialogView);
// Waits until the either close button is clicked to invoke the CloseCommand in the viewModel
await _dialog.WaitUntilUnloadedAsync();
}
