v-olzhan

Tested this PR with changed controls in Accessibility tools, no new issue was found.

@kant2002 tested this PR using 2 sample projects, the issue still repro. Please take a look, thanks. One project is from https://github.com/c-ohle/RationalNumerics with targeting the latest .Net 7.0  Another...

> @Olina-Zhang - could you please retest this on the newest windows11? This issue still repro on the newest Windows 11 version with .Net 7.0 installed: Button with FlatStyle: Standard...

Verified this issue in the .Net 7.0 and .Net 8.0 SDK build, all are fixed as following screenshot. Close this issue now. 

Tested this issue, cannot repro in Accessibility Insight tool and Inspect with updating, so close it.

Verify this issue in Accessibility Insight tool, the UIA tree is updated every time, doesn't repro this issue, so close it.

Re-tested this issue on Win10 and Win11 as following steps, found it just repro on Win10. Repro steps: 1. Launch test project in .Net 8.0 2. Launch Windbg and attach...

> @Olina-Zhang can you copy this issue over to the designer and we will see what can be done. Opened GH designer issue: https://github.com/microsoft/winforms-designer/issues/4731, which has been closed as not...

@Tanya-Solyanik cannot repro this issue in .Net framework 4.8.1 app: **Default theme:**  **Win11 HC themes:** 

@Tanya-Solyanik we use the higher version than yours, do you have a HDPI machine setting? If so, you need to add HDPI support in app.config file, then will see that...