Collapsed Expander takes full height for a while when loaded #402
Description
Describe the bug
When the Expander control is set to the collapsed state, launching the software triggers an abnormal behavior: the control expands unexpectedly first and then reverts to the collapsed state.
Video_1763526223307.mp4
Reproduction
https://gitcode.com/ssc19940105/YtbDownloader
Reproduction Steps:
1. Update the iuwm to the latest version.
3. Launch the software.
Suggested Solution
No response
Library Version
1.10.2
Operating System
Windows 11
Framework
.NET Core and .NET
Framework Version
8
Source of Package
NuGet.org (Package)
Additional Notes
No response
Validations
- Check that there isn't already an issue that reports the same or similar problem.
- Check that this is a bug in the library that should be fixed, not a feature, also this is not about the documentation. (Or please choose the right repo and template.)
- This is one single problem, or a few problems with the same cause. (If you want to report multiple problems, please create one issue for every single problem.)
- You've checked that this problem still exists in the latest version. (Keep in mind that we don't provide any support for old versions.)
- You know that we can't guarantee that we will satisfy your request. This is not really our duty to do everything anyone asks for. Also, you will treat our staff, contributors, and other users with respect and kindness.
- You're sure there's something wrong with the library itself, not how you're using it. (If you are having issues using it and need help, please go to discussion.)