private void SuccessfullyExecutedMessageBoxClosing(MaterialMessageBoxResult result)
{
if (result == MaterialMessageBoxResult.Yes)
{
ImportWindowViewModel.CloseView();
}
}
private async Task <MaterialMessageBoxResult> ShowDialog(object view, Func <MaterialMessageBoxResult, object> closingEventHandler)
{
try
{
MaterialMessageBoxResult result = Model.MaterialMessageBoxResult.None;
await this.UIDispatcher.Invoke(async() =>
{
try
{
var retval = await DialogHost.Show(
view,
this.DialogIdentifier,
new DialogClosingEventHandler(
(sender, eventArgs) =>
{
// if the settin view was closed return
if (eventArgs.Parameter.GetType() != typeof(MaterialMessageBoxResult))
{
return;
}
var displayableView = closingEventHandler?.Invoke((MaterialMessageBoxResult)eventArgs.Parameter);
if (displayableView != null)
{
eventArgs.Cancel();
eventArgs.Session.UpdateContent(displayableView);
}
}));
if (retval == null)
{
result = MaterialMessageBoxResult.None;
}
else
{
result = retval.GetType() == typeof(MaterialMessageBoxResult) ? (MaterialMessageBoxResult)retval : MaterialMessageBoxResult.None;
}
}
catch (InvalidOperationException)
{
// this can happen if the window is closed and the dialog can't be shown
}
});
return(result);
}
catch (Exception e)
{
this.UIDispatcher.Invoke(() =>
{
var n = new Greg.WPF.Utility.ExceptionMessageBox(e, "Unhandled Exception");
n.ShowDialog();
});
throw;
}
}
private object ConnectionMessageBoxClosingEventHandler(MaterialMessageBoxResult result)
{
if (result == MaterialMessageBoxResult.No)
{
Application.Current.Shutdown();
return(null);
}
// update content of the session
return(MainWindowViewModel.GetSettingView());
}
