Pfad für Resource-Dateien

string resourceLocation = ????

List<string> files = new List<string>();

foreach (string file in Directory.GetFiles(resourceLocation))

{

 files.Add(file);

}

string[] filesArr = files.ToArray();

// Spezifisches File laden, noch offen

myImage = filesArr[cnt];

myBrush.ImageSource = new BitmapImage(new Uri("pack://application:,,,/Images/" + myImage, UriKind.RelativeOrAbsolute));

            PaintCanvas.Background = myBrush;