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In VS 2010 created a new WinForm project. Added a new UserControl WPF.
2 compile-time errors appeared:
Error 1 The type 'System.Windows.Markup.IQueryAmbient' is defined in an assembly that is not referenced. You must add a reference to assembly 'System.Xaml, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089'. D:\Projets\WindowsFormsApplication2\UserControl1.xaml.cs 20 26 WindowsFormsApplication2
Error 2 The type name 'IComponentConnector' could not be found in the namespace 'System.Windows.Markup'. This type has been forwarded to assembly 'System.Xaml, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089' Consider adding a reference to that assembly. D:\Projets\WindowsFormsApplication2\obj\x86\Debug\UserControl1.g.cs 41 100 WindowsFormsApplication2
NB.
References like PresenationCore.dll, PresenationFramework.dll, WindowsBase.dll are added automatically when adding a new WPF UserControl to the WinForm project, so why not System.Xaml.dll too?
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Bug reported on Microsoft Connect.
766
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it sounds like you just need a reference to System.Xaml.dll
Re whether this is a bug in VS; well, I suppose the templates could add that reference - I can reproduce it, so it may be worth logging on connect
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