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Ticket Q408821
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I just upgraded to DXperience 12.1 and nothing with WPF is working. Demo apps, demo source

created 13 years ago

When I run any of the WPF demo apps, they never start. I get the following from event viewer:

- <Event xmlns="http://schemas.microsoft.com/win/2004/08/events/event">
- <System>
  <Provider Name="Application Error"
/>
  <EventID
Qualifiers="0">1000</EventID>
  <Level>2</Level>
  <Task>100</Task>
  <Keywords>0x80000000000000</Keywords>
  <TimeCreated SystemTime="2012-06-13T12:47:47.000000000Z" />
  <EventRecordID>60788</EventRecordID>
  <Channel>Application</Channel>
  <Computer>SCOTT-LAPTOP.NDL.local</Computer>
  <Security />
  </System>
- <EventData>
  <Data>DevExpress.VideoRent.Wpf.exe</Data>
  <Data>1.0.0.0</Data>
  <Data>4fd355e2</Data>
  <Data>KERNELBASE.dll</Data>
  <Data>6.1.7601.17651</Data>
  <Data>4e211319</Data>
  <Data>e0434352</Data>
  <Data>0000b9bc</Data>
  <Data>1268</Data>
  <Data>01cd4962ba9b5e84</Data>
  <Data>C:\Users\Public\Documents\DXperience 12.1
Demos\WPF\DevExpress.VideoRent.Wpf\Bin\DevExpress.VideoRent.Wpf.exe</Data>
  <Data>C:\Windows\syswow64\KERNELBASE.dll</Data>
  <Data>f9fde697-b555-11e1-9f2c-f04da2bed905</Data>
  </EventData>
  </Event>
When I run the demo app from source I get the following exception: System.TypeInitializationException was unhandled HResult=-2146233036 Message=The type initializer for 'DevExpress.Xpf.Core.DXWindow' threw an exception. Source=DevExpress.Xpf.Core.v12.1 TypeName=DevExpress.Xpf.Core.DXWindow StackTrace: at DevExpress.Xpf.Core.DXWindow…ctor() at DevExpress.RealtorWorld.Xpf.View.MainWindow…ctor() in C:\Users\Public\Documents\DXperience 12.1 Demos\WPF\DevExpress.RealtorWorld.Wpf\CS\DevExpress.RealtorWorld.Wpf\View\MainWindow.xaml.cs:line 8 at DevExpress.RealtorWorld.Xpf.AppStartup.InitApp() in C:\Users\Public\Documents\DXperience 12.1 Demos\WPF\DevExpress.RealtorWorld.Wpf\CS\DevExpress.RealtorWorld.Wpf\Program.cs:line 34 at DevExpress.RealtorWorld.Xpf.Program.Main(String[] args) in C:\Users\Public\Documents\DXperience 12.1 Demos\WPF\DevExpress.RealtorWorld.Wpf\CS\DevExpress.RealtorWorld.Wpf\Program.cs:line 20 at System.AppDomain._nExecuteAssembly(RuntimeAssembly assembly, String[] args) at System.AppDomain.nExecuteAssembly(RuntimeAssembly assembly, String[] args) at System.Runtime.Hosting.ManifestRunner.Run(Boolean checkAptModel) at System.Runtime.Hosting.ManifestRunner.ExecuteAsAssembly() at System.Runtime.Hosting.ApplicationActivator.CreateInstance(ActivationContext activationContext, String[] activationCustomData) at System.Runtime.Hosting.ApplicationActivator.CreateInstance(ActivationContext activationContext) at System.Activator.CreateInstance(ActivationContext activationContext) at Microsoft.VisualStudio.HostingProcess.HostProc.RunUsersAssemblyDebugInZone() at System.Threading.ThreadHelper.ThreadStart_Context(Object state) at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx) at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx) at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state) at System.Threading.ThreadHelper.ThreadStart() InnerException: System.Security.VerificationException HResult=-2146233075 Message=Operation could destabilize the runtime. Source=DevExpress.Xpf.Core.v12.1 StackTrace: at DevExpress.Xpf.Core.DXWindow…cctor() InnerException:

Comments (2)
SB SB
Scott Bogash 1 13 years ago

    I have uninstalled and reinstalled DVX 12.1.4 and reinstalled VS2010 SP1. I still cannot run any WPF demo app. I loaded RealtorWorld demo source. I can compile it but cannot run. When I open AgentDetailView.xaml there is a yellow bar at the top that says:
    VerificationException was thrown on "CurrentAgentHomesEdit": Cannot create instance of GridControl
    An Unhandled Exception has occurred
    Operation could destabilize the runtime
    at DevExpress.Xpf.Grid.GridControl…cctor()

    SB SB
    Scott Bogash 1 13 years ago

      When I run the RealtorWorld app from VS2010 I get the following exception:
      System.TypeInitializationException was unhandled
        HResult=-2146233036
        Message=The type initializer for 'DevExpress.Xpf.Core.DXWindow' threw an exception.
        Source=DevExpress.Xpf.Core.v12.1
        TypeName=DevExpress.Xpf.Core.DXWindow
        StackTrace:
             at DevExpress.Xpf.Core.DXWindow…ctor()
             at DevExpress.RealtorWorld.Xpf.View.MainWindow…ctor() in C:\Users\Public\Documents\DXperience 12.1 Demos\WPF\DevEx

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      Answers approved by DevExpress Support

      created 13 years ago (modified 12 years ago)

      I had a copy of .Net 4.5 Beta that was uninstalled but still hanging around. I had to re-install that then uninstall it. Then I installed .Net 4 and everything started working.

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        Other Answers

        created 13 years ago (modified 13 years ago)

        This issue can occur if you have the .NET 4.5 beta framework installed. It comes with VS11 RC and Win 8 Consumer Review.
        To solve the issue, install the latest available version of VS (at this moment, VS12 RC ) or update Windows 8 to the latest version. I.e., you need to have the latest version of .NET Framework installed that does not have this problem.

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