Create "Template Studio for WinUI"

[JoyceLiang]

Describe the bug

This is in top 10 Hangs failures in VS 17.6 Preview 2. VS Perf Watson caught 6 hits in past 6 days.

Call Stack
kernelbase.dll!WaitForMultipleObjectsEx
kernelbase.dll!WaitForMultipleObjects
faultrep.dll!WerpReportFaultInternal
faultrep.dll!WerpReportFault
clr.dll!DoReportFault
clr.dll!WatsonLastChance
clr.dll!DoWatsonForUserBreak
clr.dll!DebugDebugger::Break
mscorlib.dll!System.Diagnostics.Debugger.Break
?!Microsoft.Templates.UI.VisualStudio.SolutionWizard+d__.MoveNext
clr.dll!ExceptionTracker::CallHandler
clr.dll!ExceptionTracker::CallCatchHandler
clr.dll!ProcessCLRException
ntdll.dll!RtlpExecuteHandlerForUnwind
ntdll.dll!RtlUnwindEx
clr.dll!ClrUnwindEx
clr.dll!ProcessCLRException
ntdll.dll!RtlpExecuteHandlerForException
ntdll.dll!RtlDispatchException
ntdll.dll!RtlRaiseException
kernelbase.dll!RaiseException
clr.dll!RaiseTheExceptionInternalOnly
clr.dll!IL_Throw
mscorlib.dll!System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw
mscorlib.dll!System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification
?!Microsoft.Templates.UI.VisualStudio.SolutionWizard+d__.MoveNext
?!System.Runtime.CompilerServices.AsyncTaskMethodBuilder.Start
?!Microsoft.Templates.UI.VisualStudio.SolutionWizard.RunFinishedAsync
?!Microsoft.Templates.UI.VisualStudio.SolutionWizard+<b___0>d.MoveNext
?!System.Runtime.CompilerServices.AsyncTaskMethodBuilder.Start
?!Microsoft.Templates.UI.VisualStudio.SolutionWizard.b___
?!?
?!Microsoft.Templates.UI.VisualStudio.SolutionWizard.RunFinished
microsoft.visualstudio.templatewizard.dll!Microsoft.VisualStudio.TemplateWizard.Wizard.Execute
?!dynamicClass.IL_STUB_COMtoCLR
clr.dll!COMToCLRDispatchHelperWithStack
clr.dll!COMToCLRWorker
clr.dll!GenericComCallStub
msenv.dll!WizLoadAndRunFileEx
msenv.dll!WizLoadAndRunFile
msenv.dll!CNativeEnvironmentInternal::WizLoadAndRunFile
microsoft.visualstudio.commonide.dll!DomainBoundILStubClass.IL_STUB_CLRtoCOM
microsoft.visualstudio.commonide.dll!Microsoft.VisualStudio.CommonIDE.Solutions.Dte.DteSolution+d__.MoveNext
microsoft.visualstudio.commonide.dll!System.Runtime.CompilerServices.AsyncTaskMethodBuilder[System.__Canon].Start[Microsoft.VisualStudio.CommonIDE.Solutions.Dte.DteSolution+d__] microsoft.visualstudio.commonide.dll!Microsoft.VisualStudio.CommonIDE.Solutions.Dte.DteSolution.AddFromTemplateExAsync microsoft.visualstudio.commonide.dll!Microsoft.VisualStudio.CommonIDE.Solutions.Dte.DteSolution+<>c__DisplayClass_0.b__ ?!? microsoft.visualstudio.commonide.dll!Microsoft.VisualStudio.CommonIDE.Solutions.Dte.DteSolution.AddFromTemplateEx microsoft.visualstudio.commonide.dll!Microsoft.VisualStudio.CommonIDE.Solutions.Dte.DteSolution+<>c__DisplayClass_0.b__ ?!dynamicClass.IL_STUB_COMtoCLR clr.dll!COMToCLRDispatchHelperWithStack clr.dll!COMToCLRWorker clr.dll!GenericComCallStub ?!dynamicClass.IL_STUB_CLRtoCOM ?!Microsoft.VisualStudio.Dialogs.ServiceHelper.AddProjectFromSelectedTemplate ?!Microsoft.VisualStudio.NewProjectDialog.LegacyProjectTemplateProviderService.CreateProject ?!Microsoft.VisualStudio.NewProjectDialog.LegacyProjectTemplateProvider+d__.MoveNext mscorlib.dll!System.Threading.ExecutionContext.RunInternal mscorlib.dll!System.Threading.ExecutionContext.Run mscorlib.dll!System.Runtime.CompilerServices.AsyncMethodBuilderCore+MoveNextRunner.Run ?!? microsoft.visualstudio.shell.15.0.dll!Microsoft.VisualStudio.Shell.VsTaskLibraryHelper.Run ?!Microsoft.VisualStudio.NewProjectDialog.ProjectCreationHelper.CreateProject ?!Microsoft.VisualStudio.NewProjectDialog.NpdStateMachine.End ?!Microsoft.VisualStudio.NewProjectDialog.NewProjectDialogViewModel.OnGoNext microsoft.visualstudio.utilities.dll!Microsoft.VisualStudio.PlatformUI.DispatchedDelegateCommand+<>c__DisplayClass_0[System.Canon].b
windowsbase.dll!System.Windows.Threading.ExceptionWrapper.InternalRealCall
windowsbase.dll!System.Windows.Threading.ExceptionWrapper.TryCatchWhen
windowsbase.dll!System.Windows.Threading.DispatcherOperation.InvokeImpl
windowsbase.dll!MS.Internal.CulturePreservingExecutionContext.CallbackWrapper
mscorlib.dll!System.Threading.ExecutionContext.RunInternal
mscorlib.dll!System.Threading.ExecutionContext.Run
mscorlib.dll!System.Threading.ExecutionContext.Run
windowsbase.dll!MS.Internal.CulturePreservingExecutionContext.Run
windowsbase.dll!System.Windows.Threading.DispatcherOperation.Invoke
windowsbase.dll!System.Windows.Threading.Dispatcher.ProcessQueue
windowsbase.dll!System.Windows.Threading.Dispatcher.WndProcHook
windowsbase.dll!MS.Win32.HwndWrapper.WndProc
windowsbase.dll!MS.Win32.HwndSubclass.DispatcherCallbackOperation
windowsbase.dll!System.Windows.Threading.ExceptionWrapper.InternalRealCall
windowsbase.dll!System.Windows.Threading.ExceptionWrapper.TryCatchWhen
windowsbase.dll!System.Windows.Threading.Dispatcher.LegacyInvokeImpl
windowsbase.dll!MS.Win32.HwndSubclass.SubclassWndProc
windowsbase.dll!DomainBoundILStubClass.IL_STUB_ReversePInvoke
clr.dll!UMThunkStub
user32.dll!UserCallWinProcCheckWow
user32.dll!DispatchMessageWorker
windowsbase.dll!DomainBoundILStubClass.IL_STUB_PInvoke
windowsbase.dll!System.Windows.Threading.Dispatcher.PushFrameImpl
presentationframework.dll!System.Windows.Window.ShowHelper
presentationframework.dll!System.Windows.Window.ShowDialog
microsoft.visualstudio.shell.15.0.dll!Microsoft.Internal.VisualStudio.PlatformUI.WindowHelper.ShowModal
microsoft.visualstudio.shell.ui.internal.dll!Microsoft.VisualStudio.PlatformUI.GetToCode.WorkflowDialogService.ShowNewProjectDialog
?!Microsoft.VisualStudio.Dialogs.SVsDialogService.TryInvokeWorkflowDialog
?!Microsoft.VisualStudio.Dialogs.SVsDialogService.InvokeDialog
?!dynamicClass.IL_STUB_COMtoCLR
clr.dll!COMToCLRDispatchHelper
clr.dll!COMToCLRWorker
clr.dll!GenericComCallStub
msenv.dll!InvokeNewProjectDlg
msenv.dll!HandleNewProjectCommand
msenv.dll!HrShellExec
msenv.dll!CVSCommandTarget::ExecCmd
msenv.dll!CVSCommandTarget::Exec
msenv.dll!CAppManagementWindow::HandleDispatchCommand
msenv.dll!CAppManagementWindow::WndProc
user32.dll!UserCallWinProcCheckWow
user32.dll!DispatchMessageWorker
msenv.dll!MainMessageLoop::ProcessMessage
msenv.dll!CMsoCMHandler::EnvironmentMsgLoop
msenv.dll!CMsoCMHandler::FPushMessageLoop
msenv.dll!SCM::FPushMessageLoop
msenv.dll!SCM_MsoCompMgr::FPushMessageLoop
msenv.dll!CMsoComponent::PushMsgLoop
msenv.dll!VStudioMainLogged
msenv.dll!VStudioMain
devenv.exe!util_CallVsMain
devenv.exe!CDevEnvAppId::Run
devenv.exe!WinMain
devenv.exe!__scrt_common_main_seh
kernel32.dll!BaseThreadInitThunk
ntdll.dll!RtlUserThreadStart

To Reproduce

1. Go to '...'
2. Click on '....'
3. Scroll down to '....'
4. See error

Additional context

No response

Applies to the following platforms:

• WinUI
• WPF
• UWP

About your setup

• Visual Studio Version: 17.7.33808.371 (17.7 P2)
• Template Studio Wizard Version: 5.4
• Windows Build: Version 10.0.22621 Build 22621