small tweaks

MultiTool.Shared/Helpers.vb

@@ -8,4 +8,12 @@ Public Class Helpers
             Return Nothing
         End Try
     End Function
+
+    Private Function TryGetDictionaryItem(Of T)(pDictionary As IDictionary(Of String, T), pKey As String) As T
+        If pDictionary.ContainsKey(pKey) Then
+            Return pDictionary.Item(pKey)
+        Else
+            Return Nothing
+        End If
+    End Function
 End Class