Just for others FYI, I solved the issue.
First of all, the code causing the issue was forever loop by recursive method bug.
It's nothing to do with Windows Resize directly. Window resize just created the situation triggering the bug and crash.
However, there is no way to find the clue with Visual studio because it just crash with any exception.
So, I commented out code line by line, and put log line by line find where it cause the issue, and identified the recursive method with a bug.
Recursive method with a bug can cause Access violation crash.
I hope it helps.
Hello, thank you for your response.
I use UnhandledException, but it doesn't hit it.
The Win32 Access violation error occurs in Windows level, lower level, without communicating .NET framework of uwp, I guess.
This is why I don't know how to narrow down the issue.