private async Task RunGenerator(int index)
{
DependencyObject registration = null;
if (_treeGeneratorWindow == null)
{
registration = DialogParticipation.GetAssociation(this);
DialogParticipation.SetRegister(registration, _treeGeneratorViewModel);
}
var generator = _treeGeneratorViewModel.Tabs[index];
await _treeGeneratorViewModel.RunAsync(generator);
if (registration != null)
{
DialogParticipation.SetRegister(registration, this);
}
}
private static CrystalWindow GetCrystalWindow(object context)
{
if (context is null)
{
throw new ArgumentNullException(nameof(context));
}
if (DialogParticipation.IsRegistered(context) == false)
{
throw new InvalidOperationException($"The context `{context}` is not registered. Consider using the DialogParticipation.Register property in XAML to bind in the DataContext.");
}
var association = DialogParticipation.GetAssociation(context);
var crystalWindow = association.Invoke(() => Window.GetWindow(association) as CrystalWindow);
if (crystalWindow is null)
{
throw new InvalidOperationException($"The context `{context}` is not inside a CrystalWindow.");
}
return(crystalWindow);
}