Added better wait cursor feedback to attribute tree load

Source/Tools/PMUConnectionTester/PMUConnectionTester/PMUConnectionTester.vb

@@ -29,7 +29,6 @@
 '
 '******************************************************************************************************
 
-Imports GSF.Units.EE
 Imports Infragistics.Win
 Imports Infragistics.Win.UltraWinTree
 Imports Infragistics.Win.UltraWinMaskedEdit
@@ -56,6 +55,7 @@ Imports GSF.PhasorProtocols
 Imports GSF.Reflection.AssemblyInfo
 Imports GSF.Threading
 Imports GSF.Units
+Imports GSF.Units.EE
 Imports GSF.Windows.Forms
 
 #Disable Warning LocalizableElement
@@ -2736,6 +2736,18 @@ Public Class PMUConnectionTester
 
     End Sub
 
+    Private Sub TreeFrameAttributes_BeforeDataNodesCollectionPopulated(sender As Object, e As BeforeDataNodesCollectionPopulatedEventArgs) Handles TreeFrameAttributes.BeforeDataNodesCollectionPopulated
+
+        If e.Nodes.ParentNode Is Nothing Then Cursor = Cursors.WaitCursor
+
+    End Sub
+
+    Private Sub TreeFrameAttributes_AfterDataNodesCollectionPopulated(sender As Object, e As AfterDataNodesCollectionPopulatedEventArgs) Handles TreeFrameAttributes.AfterDataNodesCollectionPopulated
+
+        If e.Nodes.ParentNode Is Nothing Then Cursor = Cursors.Default
+
+    End Sub
+
     Private Sub TreeFrameAttributes_InitializeDataNode(ByVal sender As Object, ByVal e As InitializeDataNodeEventArgs) Handles TreeFrameAttributes.InitializeDataNode
 
         ' Initialize data nodes - this event fires every time a node is added to the tree from a data source

Source/Tools/PMUConnectionTester/PMUConnectionTester/PMUConnectionTester.vbproj

@@ -38,6 +38,7 @@
     <UseApplicationTrust>false</UseApplicationTrust>
     <BootstrapperEnabled>true</BootstrapperEnabled>
     <TargetFrameworkProfile />
+    <LangVersion>latest</LangVersion>
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
     <DebugSymbols>true</DebugSymbols>