public _WaitForCloseAsync ( ) : System.Threading.Tasks.Task | ||
return | System.Threading.Tasks.Task |
/// <summary> /// Hides a visible Metro Dialog instance. /// </summary> /// <param name="window">The window with the dialog that is visible.</param> /// <param name="dialog">The dialog instance to hide.</param> /// <returns>A task representing the operation.</returns> /// <exception cref="InvalidOperationException"> /// The <paramref name="dialog"/> is not visible in the window. /// This happens if <see cref="ShowMetroDialogAsync"/> hasn't been called before. /// </exception> public static Task HideMetroDialogAsync(this MetroWindow window, BaseMetroDialog dialog) { window.Dispatcher.VerifyAccess(); if (!window.metroDialogContainer.Children.Contains(dialog)) { throw new InvalidOperationException("The provided dialog is not visible in the specified window."); } window.SizeChanged -= dialog.SizeChangedHandler; dialog.OnClose(); Task closingTask = (Task)window.Dispatcher.Invoke(new Func <Task>(() => dialog._WaitForCloseAsync())); return(closingTask.ContinueWith <Task>(a => { if (DialogClosed != null) { window.Dispatcher.BeginInvoke(new Action(() => DialogClosed(window, new DialogStateChangedEventArgs() { }))); } return (Task)window.Dispatcher.Invoke(new Func <Task>(() => { window.metroDialogContainer.Children.Remove(dialog); //remove the dialog from the container return window.HideOverlayAsync(); })); }).Unwrap()); }
/// <summary> /// Hides a visible Metro Dialog instance. /// </summary> /// <param name="window">The window with the dialog that is visible.</param> /// <param name="dialog">The dialog instance to hide.</param> /// <returns>A task representing the operation.</returns> /// <exception cref="InvalidOperationException"> /// The <paramref name="dialog"/> is not visible in the window. /// This happens if <see cref="ShowMetroDialogAsync"/> hasn't been called before. /// </exception> public static Task HideMetroDialogAsync(this MetroWindow window, BaseMetroDialog dialog) { window.Dispatcher.VerifyAccess(); if (!window.metroDialogContainer.Children.Contains(dialog)) throw new InvalidOperationException("The provided dialog is not visible in the specified window."); window.SizeChanged -= dialog.SizeChangedHandler; dialog.OnClose(); Task closingTask = (Task)window.Dispatcher.Invoke(new Func<Task>(() => dialog._WaitForCloseAsync())); return closingTask.ContinueWith<Task>(a => { if (DialogClosed != null) { window.Dispatcher.BeginInvoke(new Action(() => DialogClosed(window, new DialogStateChangedEventArgs() { }))); } return (Task)window.Dispatcher.Invoke(new Func<Task>(() => { window.metroDialogContainer.Children.Remove(dialog); //remove the dialog from the container return window.HideOverlayAsync(); })); }).Unwrap(); }
public static Task <object> ShowBaseMetroDialog(this MetroWindow window, BaseMetroDialog dialog) { window.Dispatcher.VerifyAccess(); return(HandleOverlayOnShow(null, window).ContinueWith(z => { return (Task <object>)window.Dispatcher.Invoke(new Func <Task <object> >(() => { SizeChangedEventHandler sizeHandler = SetupAndOpenDialog(window, dialog); dialog.SizeChangedHandler = sizeHandler; return dialog.WaitForLoadAsync().ContinueWith(x => { if (DialogOpened != null) { window.Dispatcher.BeginInvoke(new Action(() => DialogOpened(window, new DialogStateChangedEventArgs()))); } return dialog.WaitForButtonPressAsync().ContinueWith(y => { //once a button as been clicked, begin removing the dialog. dialog.OnClose(); if (DialogClosed != null) { window.Dispatcher.BeginInvoke(new Action(() => DialogClosed(window, new DialogStateChangedEventArgs()))); } Task closingTask = (Task)window.Dispatcher.Invoke(new Func <Task>(() => dialog._WaitForCloseAsync())); return closingTask.ContinueWith(a => { return ((Task)window.Dispatcher.Invoke(new Func <Task>(() => { window.SizeChanged -= sizeHandler; window.RemoveDialog(dialog); return HandleOverlayOnHide(null, window); }))).ContinueWith(y3 => y).Unwrap(); }); }).Unwrap(); }).Unwrap().Unwrap(); })); }).Unwrap()); }