Pin Wire from Right-click Context Menu

src/DynamoCoreWpf/Properties/Resources.en-US.resx

@@ -3252,4 +3252,7 @@ You can manage this in Preferences -&gt; Security.</value>
   <data name="UnableToAccessTrustedDirectory" xml:space="preserve">
     <value>Unable To Access Trusted Directory</value>
   </data>
+  <data name="ConnectorContextMenuHeaderPinConnector" xml:space="preserve">
+    <value>Pin Wire</value>
+  </data>
 </root>

src/DynamoCoreWpf/Properties/Resources.resx

@@ -3239,4 +3239,7 @@ You can manage this in Preferences -&gt; Security.</value>
   <data name="UnableToAccessTrustedDirectory" xml:space="preserve">
     <value>Unable To Access Directory</value>
   </data>
+  <data name="ConnectorContextMenuHeaderPinConnector" xml:space="preserve">
+    <value>Pin Wire</value>
+  </data>
 </root>

src/DynamoCoreWpf/ViewModels/Core/ConnectorViewModel.cs

@@ -843,7 +843,7 @@ private void SelectConnectedCommandExecute(object parameter)
         private void PinConnectorCommandExecute(object parameters)
         {
             MousePosition = new Point(PanelX - ConnectorPinModel.StaticWidth, PanelY - ConnectorPinModel.StaticWidth);
-            ConnectorAnchorViewModel.CurrentPosition = MousePosition;
+            if (ConnectorAnchorViewModel != null) ConnectorAnchorViewModel.CurrentPosition = MousePosition;
             if (MousePosition == new Point(0, 0)) return;
             var connectorPinModel = new ConnectorPinModel(MousePosition.X, MousePosition.Y, Guid.NewGuid(), model.GUID);
             ConnectorModel.AddPin(connectorPinModel);

src/DynamoCoreWpf/ViewModels/Preview/ConnectorContextMenuViewModel.cs

@@ -85,19 +85,24 @@ public override void Dispose()
         public DelegateCommand HideConnectorSurrogateCommand { get; set; }
 
         /// <summary>
-        /// Alerts ConnectorViewModel select connnected nodes.
+        /// Alerts ConnectorViewModel select connected nodes.
         /// </summary>
         public DelegateCommand SelectConnectedSurrogateCommand { get; set; }
         /// <summary>
         /// Alerts ConnectorViewModel to break the current connection.
         /// </summary>
         public DelegateCommand BreakConnectionsSurrogateCommand { get; set; }
+        /// <summary>
+        /// Alerts ConnectorViewModel to pin the connector
+        /// </summary>
+        public DelegateCommand PinConnectedSurrogateCommand { get; set; }
 
         private void InitCommands()
         {
             HideConnectorSurrogateCommand = new DelegateCommand(HideConnectorSurrogateCommandExecute, x => true);
             SelectConnectedSurrogateCommand = new DelegateCommand(SelectConnectedSurrogateCommandExecute, x => true);
             BreakConnectionsSurrogateCommand = new DelegateCommand(BreakConnectionsSurrogateCommandExecute, x => true);
+            PinConnectedSurrogateCommand = new DelegateCommand(PinConnectedSurrogateCommandExecute, x => true);
         }
 
         /// <summary>
@@ -140,6 +145,17 @@ private void HideConnectorSurrogateCommandExecute(object obj)
             ViewModel.ShowhideConnectorCommand.Execute(null);
         }
 
+        /// <summary>
+        /// Request disposal of this viewmodel after command has run.
+        /// </summary>
+        /// <param name="obj"></param>
+        private void PinConnectedSurrogateCommandExecute(object obj)
+        {
+            ViewModel.PinConnectorCommand.Execute(null);
+            // Track pin connected nodes event
+            Analytics.TrackEvent(Actions.Pin, Categories.ConnectorOperations, "PinWire");
+        }
+
         #endregion
 
 

src/DynamoCoreWpf/Views/Core/ConnectorContextMenuView.xaml

@@ -26,10 +26,12 @@
                          Width="170"
                          MouseLeave="OnMouseLeaveContextMenu"
                          ContextMenuClosing="OnContextMenuClosing">
-                <MenuItem x:Name="BreakItem" Header="{x:Static props:Resources.ConnectorContextMenuHeaderBreakConnection}" 
+                    <MenuItem x:Name="BreakItem" Header="{x:Static props:Resources.ConnectorContextMenuHeaderBreakConnection}" 
                           Command="{Binding BreakConnectionsSurrogateCommand}"/>
                     <MenuItem x:Name="SelectItem" Header="{x:Static props:Resources.ConnectorContextMenuHeaderSelectConnected}" 
                           Command="{Binding SelectConnectedSurrogateCommand}"/>
+                    <MenuItem x:Name="PinItem" Header="{x:Static props:Resources.ConnectorContextMenuHeaderPinConnector}" 
+                              Command="{Binding PinConnectedSurrogateCommand}"/>
                     <MenuItem x:Name="HideItem" Command="{Binding HideConnectorSurrogateCommand}">
                         <MenuItem.Style>
                             <Style TargetType="MenuItem" BasedOn="{StaticResource ContextMenuItemStyle}">