Hi,

We're evaluating your browser control to provide more stable web content embedding into our application. Seems pretty good, but I am seeing artifacting in some cases where part or all of the screen remains painted when you minimize a window containing the browser control.

For example in your sample browser application when I minimize the window it hides correctly, but a moment later the contents of the web page i had up repaint at the position where the window previously existed minus the window frame. I think it has something to do with pages that use svg, canvas (and maybe other things that cause more gpu rendering like css animations?)

Here's a video showing the issue. I hit google.com and there's no painting issue. If I hit a d3 sample like http://bl.ocks.org/mbostock/6738360 it happens. All i'm doing is minimizing and restoring the window.

https://1drv.ms/v/s!Atv6OWFd7bERgsMMUg5FSHXbmFwftg


Is this a known issue?