public async Task <Result> ShowDialogAsync <UserInput, Result>(Func <IDialogWindowControl <UserInput, Result> > createDialogFunc)
where UserInput : UserInputViewModel
where Result : UserInputResult
{
if (Application.Current.Dispatcher == null)
{
throw new Exception("The application does not have a valid dispatcher");
}
// Create the dialog on the UI thread
IDialogWindowControl <UserInput, Result> dialog = Application.Current.Dispatcher.Invoke(createDialogFunc);
string dialogTypeName = dialog.GetType().Name;
Logger.Trace("A dialog of type {0} was opened", dialogTypeName);
// Show the dialog and get the result
Result result = await Dialog.ShowDialogWindowAsync(dialog);
if (result == null)
{
Logger.Warn("The dialog of type {0} returned null", dialogTypeName);
}
else if (result.CanceledByUser)
{
Logger.Trace("The dialog of type {0} was canceled by the user", dialogTypeName);
}
// Return the result
return(result);
}
public async Task <Result> ShowDialogWindowAsync <UserInput, Result>(IDialogWindowControl <UserInput, Result> windowContent)
where UserInput : UserInputViewModel
where Result : UserInputResult
{
try
{
// Show as a modal with the user input title
await ShowWindowAsync(windowContent, true, windowContent.ViewModel.Title);
// Get the dispatcher
Dispatcher dispatcher = GetDispatcher();
// Return the result
return(dispatcher.Invoke(windowContent.GetResult));
}
finally
{
windowContent.Dispose();
}
}
