Edited Issue: Unable to run extension [4704]

When trying to open resx or extension in VS2015 I getting following error:

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ResX Resource Manager
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System.ArgumentException: The parameter is incorrect. (Exception from HRESULT: 0x80070057 (E_INVALIDARG))

at EnvDTE.ProjectItem.get_IsOpen(String ViewKind)

at tomenglertde.ResXManager.VSIX.DteExtensions.TryGetContent(ProjectItem projectItem)

at tomenglertde.ResXManager.VSIX.DteProjectFile.Load()

at tomenglertde.ResXManager.Model.ResourceLanguage..ctor(ResourceEntity container, CultureKey cultureKey, ProjectFile file)

at tomenglertde.ResXManager.Model.ResourceEntity.<GetResourceLanguages>b__41_2(<>f__AnonymousType3`2 <>h__TransparentIdentifier0)

at System.Linq.Enumerable.WhereSelectEnumerableIterator`2.MoveNext()

at System.Linq.Enumerable.ToDictionary[TSource,TKey,TElement](IEnumerable`1 source, Func`2 keySelector, Func`2 elementSelector, IEqualityComparer`1 comparer)

at tomenglertde.ResXManager.Model.ResourceEntity.GetResourceLanguages(IEnumerable`1 files)

at tomenglertde.ResXManager.Model.ResourceEntity..ctor(ResourceManager container, String projectName, String baseName, String directoryName, ICollection`1 files)

at tomenglertde.ResXManager.Model.ResourceManager.GetResourceEntities(IEnumerable`1 fileNamesByDirectory)

at tomenglertde.ResXManager.Model.ResourceManager.InternalLoad(IEnumerable`1 resourceFilesByDirectory)

at tomenglertde.ResXManager.Model.ResourceManager.Load[T](IList`1 allSourceFiles)

at tomenglertde.ResXManager.Model.ResourceManager.Reload()

at TomsToolbox.Wpf.DelegateCommand.Execute(Object parameter)

at TomsToolbox.Wpf.Converters.ConfirmedCommandConverter.CommandProxy.Execute(Object parameter)
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OK
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