制作渲染目标位图并绘制图像以渲染目标位图.

Making a render target bitmap and draw the image to render target bitmap.

The example that how to draw image to render target bitmap.

并且您可以将渲染目标位图保存到文件，请参见 http://jamescroft.co.uk/blog/how-to/storing-a-uwp-inkcanvas-drawing-as-an-image-in-a -storagefile/

And you can save render target bitmap to file, see http://jamescroft.co.uk/blog/how-to/storing-a-uwp-inkcanvas-drawing-as-an-image-in-a-storagefile/