Tanya Solyanik

I believe we fixed the main issue with combobox, closing

@dreddy-work - how do you feel about having commented out code in tests? I'm against it because the issue is already documenting the problem. I would remove the unused code...

Another issue that requires UxTHeme team to open up an API for us - https://github.com/dotnet/winforms/issues/6657

@dmitrii-drobotov - this is not the highest priority issue, but please factor out changes that test for AcccessibileObject being already created and `IsHandleCreated`, etc, into a smaller PR, if still...

Makes sense, thank you for the investigation.

Please rebase on the latest.

@LeafShi1 @Epica3055 @ricardobossan - please review this change, specifically compare this code to the InProc designer in the VS repo

@SimonZhao888, sorry, we had mis-triaged this bug.

Assert.Throws() Failure: No exception was thrown\r\nExpected: typeof(System.Net.WebException) Stack trace at Microsoft.VisualBasic.Forms.Tests.Microsoft.VisualBasic.Forms.Tests.NetworkTexts.SimpleFileDownloadWithExpectedTimeOut_method() in /_/src/Microsoft.VisualBasic.Forms/tests/UnitTests/System/Windows/Forms/NetworkTexts.vb:line 100 at System.RuntimeMethodHandle.InvokeMethod(Object target, Void** arguments, Signature sig, Boolean isConstructor) at System.Reflection.MethodBaseInvoker.InterpretedInvoke_Method(Object obj, IntPtr* args) at System.Reflection.MethodBaseInvoker.InvokeWithNoArgs(Object...

`API suggestion` because SRCategoryAttribute is internal.