C# WPF按钮控件动态加载图片

<Button Tag="2" Style="{DynamicResource ButtonStatusStyle}" Margin="30,50,0,0" Click="Level_Click">
<Button.Content>
<Image Source="/Resources/Image/Two.png"/>
</Button.Content>
</Button>

Uri uri = new Uri(Config.CellImage, UriKind.RelativeOrAbsolute);
BitmapImage bitmap = new BitmapImage(uri);
Image cellImage = new Image();
cellImage.Source = bitmap;
button.Content = cellImage;