Add import lib and imports (#51393)

* Add import lib and imports

Fixes #50734

The sample code was missing the needed "Imports" statement, and the declaration was commented out.

ALso, the project needed to import the type library.

* Add new snippets5000.json

Author: BillWagner

samples/snippets/visualbasic/VS_Snippets_VBCSharp/VbVbalrInterop/VB/Class1.vb

@@ -7,9 +7,10 @@ Imports System.Runtime.InteropServices
 Imports System.Windows.Forms
 
 ' <snippet40>
+Imports INKEDLib
 
 Class Sample
-    'Private s As IInkCursor
+    Private s As IInkCursor
 
 End Class
 ' </snippet40>

samples/snippets/visualbasic/VS_Snippets_VBCSharp/VbVbalrInterop/VB/snippets.5000.json

@@ -0,0 +1,3 @@
+{
+    "host": "visualstudio"
+}

samples/snippets/visualbasic/VS_Snippets_VBCSharp/VbVbalrInterop/VB/vbvbalrinterop.vbproj

@@ -5,6 +5,18 @@
     <TargetFrameworks>net4.8</TargetFrameworks>
   </PropertyGroup>
 
+  <ItemGroup>
+    <COMReference Include="INKEDLib">
+      <WrapperTool>tlbimp</WrapperTool>
+      <VersionMinor>0</VersionMinor>
+      <VersionMajor>1</VersionMajor>
+      <Guid>8405d0df-9fdd-4829-aead-8e2b0a18fea4</Guid>
+      <Lcid>0</Lcid>
+      <Isolated>false</Isolated>
+      <EmbedInteropTypes>true</EmbedInteropTypes>
+    </COMReference>
+  </ItemGroup>
+
   <ItemGroup>
     <Reference Include="System.Windows.Forms" />
   </ItemGroup>