private void BlockOnWorkerThread(System.Action action)
{
Debug.Assert(_autoResetEvent == null, "Do not reuse existing thread blocker, create a new one instead.");
_autoResetEvent = new AutoResetEvent(false);
action.OnUIThread();
_autoResetEvent.WaitOne();
_autoResetEvent = null;
}
/// <summary>
/// Activates the item.
/// </summary>
/// <param name="viewModel">The view model.</param>
public virtual void Activate(Launcher.Contract.IScreen viewModel)
{
System.Action showingViewAct = () =>
{
var view = ViewLocator.LocateForModel(viewModel, null, null);
ViewModelBinder.Bind(viewModel, view, null);
this.ActivateItem = view;
};
showingViewAct.OnUIThread();
}
/// <summary> /// Executes the given action on the UI thread /// </summary> /// <remarks>An extension point for subclasses to customise how property change notifications are handled.</remarks> /// <param name="action"></param> protected virtual void OnUIThread(System.Action action) => action.OnUIThread();