/// <summary>
/// Creates a MsgBoxDialog inside of the current window.
/// </summary>
/// <param name="window">The MetroWindow</param>
/// <param name="title">The title of the MessageDialog.</param>
/// <param name="message">The message contained within the MessageDialog.</param>
/// <param name="style">The type of buttons to use.</param>
/// <param name="settings">Optional settings that override the global metro dialog settings.</param>
/// <returns>A task promising the result of which button was pressed.</returns>
public Task <MsgBoxResult> ShowMsgBoxAsync(
IMetroWindow metroWindow
, IMsgBoxDialogFrame <MsgBoxResult> dialog
, IMetroDialogFrameSettings settings = null)
{
metroWindow.Dispatcher.VerifyAccess();
return(this.HandleOverlayOnShow(metroWindow, settings).ContinueWith(z =>
{
return (Task <MsgBoxResult>)metroWindow.Dispatcher.Invoke(new Func <Task <MsgBoxResult> >(() =>
{
settings = settings ?? new MetroDialogFrameSettings();
SizeChangedEventHandler sizeHandler = this.SetupAndOpenDialog(metroWindow, dialog);
dialog.SizeChangedHandler = sizeHandler;
// Call this method in the dialog to wait until the dialog is closing ...
return dialog.WaitForLoadAsync().ContinueWith(x =>
{
if (DialogOpened != null)
{
metroWindow.Dispatcher.BeginInvoke(new Action(() => DialogOpened(this, new DialogStateChangedEventArgs())));
}
return dialog.WaitForButtonPressAsync().ContinueWith(y =>
{
//once a button as been clicked, begin removing the dialog.
dialog.OnClose();
if (DialogClosed != null)
{
metroWindow.Dispatcher.BeginInvoke(new Action(() => DialogClosed(this, new DialogStateChangedEventArgs())));
}
Task closingTask = (Task)metroWindow.Dispatcher.Invoke(new Func <Task>(() => dialog._WaitForCloseAsync()));
return closingTask.ContinueWith(a =>
{
return ((Task)metroWindow.Dispatcher.Invoke(new Func <Task>(() =>
{
metroWindow.SizeChanged -= sizeHandler;
this.RemoveDialog(metroWindow, dialog);
return this.HandleOverlayOnHide(metroWindow, settings);
}))).ContinueWith(y3 => y).Unwrap();
});
}).Unwrap();
}).Unwrap().Unwrap();
}));
}).Unwrap());
}
