public static IObservable <object> GetResourceObservable(this IResourceNode target, string key)
{
return(Observable.FromEventPattern <ResourcesChangedEventArgs>(
x => target.ResourcesChanged += x,
x => target.ResourcesChanged -= x)
.StartWith((EventPattern <ResourcesChangedEventArgs>)null)
.Select(x => target.FindResource(key)));
}
private double GetDoubleResource(IResourceNode node, string key)
{
return((double)node.FindResource(key));
}
private ThicknessViewModel GetThicknessResource(IResourceNode node, string key)
{
return(((Thickness)node.FindResource(key)).FromThickness());
}
private ArgbColorViewModel GetColorResource(IResourceNode node, string key)
{
return(((Color)node.FindResource(key)).ArgbFromColor());
}
protected override void Subscribed(IObserver <object> observer, bool first)
{
observer.OnNext(_target.FindResource(_key));
}