Moved extension methods to the correct class.

Author: StevenRasmussen

src/toolkit/Community.VisualStudio.Toolkit.Shared/ExtensionMethods/IVsHierarchyExtensions.cs

@@ -132,5 +132,37 @@ public static bool IsSharedProject(this IVsHierarchy hierarchy)
 
             return hierarchy.GetSharedAssetsProject() != null;
         }
+
+        /// <summary>
+        /// Returns the <see cref="IVsHierarchy"/> for the <see cref="IVsHierarchyItemIdentity"/>
+        /// </summary>
+        /// <param name="item"></param>
+        /// <returns></returns>
+        public static IVsHierarchy GetHierarchy(this IVsHierarchyItemIdentity item) =>
+            item.IsNestedItem ? item.NestedHierarchy : item.Hierarchy;
+
+        /// <summary>
+        /// Returns the 'ItemId' for the <see cref="IVsHierarchyItemIdentity"/>
+        /// </summary>
+        /// <param name="item"></param>
+        /// <returns></returns>
+        public static uint GetItemId(this IVsHierarchyItemIdentity item) =>
+            item.IsNestedItem ? item.NestedItemID : item.ItemID;
+
+        /// <summary>
+        /// Returns the <see cref="IVsHierarchy"/> for the <see cref="IVsHierarchyItem"/>
+        /// </summary>
+        /// <param name="item"></param>
+        /// <returns></returns>
+        public static IVsHierarchy GetHierarchy(this IVsHierarchyItem item) =>
+            item.HierarchyIdentity.GetHierarchy();
+
+        /// <summary>
+        /// Returns the 'ItemId' for the <see cref="IVsHierarchyItem"/>
+        /// </summary>
+        /// <param name="item"></param>
+        /// <returns></returns>
+        public static uint GetItemId(this IVsHierarchyItem item) =>
+            item.HierarchyIdentity.GetItemId();
     }
 }

src/toolkit/Community.VisualStudio.Toolkit.Shared/Helpers/IVsHierarchyItem.cs

@@ -3,7 +3,6 @@
 using System.Diagnostics;
 using System.Linq;
 using System.Threading.Tasks;
-using Community.VisualStudio.Toolkit.Shared.Helpers;
 using Microsoft.Internal.VisualStudio.PlatformUI;
 using Microsoft.VisualStudio;
 using Microsoft.VisualStudio.Shell;

src/toolkit/Community.VisualStudio.Toolkit.Shared/Solution/SolutionItem.cs

@@ -10,7 +10,6 @@
   </PropertyGroup>
   <ItemGroup>
     <Compile Include="$(MSBuildThisFileDirectory)Debugger\Debugger.cs" />
-    <Compile Include="$(MSBuildThisFileDirectory)Helpers\IVsHierarchyItem.cs" />
     <Compile Include="$(MSBuildThisFileDirectory)Windows\IToolWindowPaneAware.cs" />
     <Compile Include="$(MSBuildThisFileDirectory)Windows\ToolkitToolWindowPane.cs" />
     <Compile Include="$(MSBuildThisFileDirectory)\Attributes\ProvideBraceCompletionAttribute.cs" />