Bug title ImageViewer 控件 ImageSource =img 无法渲染出图片

public class ImageWatcher : ImageWatcher
{
    public void Abc(string path1)
    {
                            using (var stream = new FileStream(path1, FileMode.Open, FileAccess.Read, FileShare.ReadWrite))
                            {
                                ImageSource = BitmapFrame.Create(stream, BitmapCreateOptions.IgnoreColorProfile, BitmapCacheOption.OnLoad);
                            }
    }