FluentWindow not allowing window resize from left or right top corners
Open
Nobody has claimed this yet.
bug
- Dominant language
- C#
- Stars
- 9.6k
- Forks
- 1k
- PR merge metrics
- No merged PRs in 30d
Description
Describe the bug
When trying to resize the window from either the top left corner or the top right corner the resize cursor does not appear.
To Reproduce
- Setup WpfUi
- Add a titlebar
- Try to resize from upper corners
Expected behavior
The windows should be resizable from every corner, not just the bottom left and bottom right
Screenshots

OS version
Window 11 22H2 (OS Build 22621.3155)
.NET version
.NET 8.0
WPF-UI NuGet version
3.0.0
Additional context
No response
Contributor guide
First steps
- Read the whole issue, then the project's contributing guide.
- Comment on the issue to say you are picking it up — it saves two people doing the same work.
- Fork the repository and make your change on a branch.
- Open a pull request that references the issue number.
Research direction
Start by reproducing the issue in a WPF UI app with a titlebar on Windows 11 and .NET 8. Inspect the window resize handling for the upper-left and upper-right corners, then verify that the resize cursor appears and resizing works from every corner, including the existing lower corners.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- csharp
- Domain
- desktop
- Issue type
- Bug
- Difficulty
- 3/5
- Estimated time
- 1-2 days
- Activity status
- Stale
- Clarity
- Mostly clear
- Newbie friendliness
- 35/100