v-zhgl

**More info:** The issue also can reproduce on .NET Framework. **Core Solution:** [CoreReproduce.zip](https://github.com/dotnet/winforms/files/4212650/CoreReproduce.zip) **Reproduce steps:** 1. Opened the attached application, build and run it. 2. Click the button. **Expected results**:...

It's seems that due to the code implement for OSFullName property have changed in the Microsoft.VisualBasic.Devices namespace, please see below screnshot. 

@elachlan verified the issue on the local machines(fr-fr, de-de, es-es), which are have the same results as ENU languages.  For .NET Framework project, the current locale treats period (.)...

@Tanya-Solyanik, verified the issue from .NET 6.0 ~ 9.0, which all have the same results that the current locale treats comma (,) as thousand separators.

> I see that sample app can't be downloaded from 1 post and reuploading didn't help :( [GDI_test.zip](https://github.com/dotnet/winforms/files/14583945/GDI_test.zip) Repac and adding it here didn't help too - GitHub problem? Where...

@jaliyaudagedara The Form Designer can load and successfully with same Visual Studio version as below screenshot, could you please share more details with us to reproduce & investigate the issue?...

@jaliyaudagedara , thanks for your response. still cannot reproduce it with latest Dev17 17.10.0 Preview 2.0 with .NET SDK 8.0.200, which bring in Visual Srudio, and .NET SDK 8.0.202 from...

There also have a Feeback https://dev.azure.com/devdiv/DevDiv/_workitems/edit/1921821 about this,

The issue can reproduce both .NET from 6.0 to 9.0 and .NET Framework 4.7.2 to 4.8.1 as below screenshot. 

@elachlan @SteffenSchwaiger, the below workaround working well that the third part control can be copied to the build output, and the exe can launch successfully. ``` false ```  And...