Change cursor to hand when dragging

Gum/Gum.csproj

@@ -664,6 +664,7 @@
     <None Include="Content\Icons\ChildrenLayout\AutoGridHorizontal.png">
       <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
     </None>
+    <Content Include="Content\Cursors\cursor-grab.cur" />
     <Content Include="Content\Icons\Origins\Baseline.png">
       <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
     </Content>

Gum/Wireframe/CameraController.cs

@@ -8,6 +8,9 @@ namespace Gum.Wireframe
 {
     public class CameraController : Gum.Managers.Singleton<CameraController>
     {
+
+        Cursor handGrabCursor;
+
         global::RenderingLibrary.Camera Camera
         {
             get;
@@ -26,6 +29,9 @@ public void Initialize(Camera camera, WireframeEditControl wireframeEditControl,
 
             Renderer.Self.Camera.X = defaultWidth / 2 - 30;
             Renderer.Self.Camera.Y = defaultHeight / 2 - 30;
+
+            handGrabCursor = new Cursor("../../../Content/Cursors/cursor-grab.cur");
+
         }
 
         internal void HandleMouseWheel(object sender, MouseEventArgs e)
@@ -73,6 +79,10 @@ internal void HandleMouseMove(object sender, MouseEventArgs e)
         {
             if (e.Button == MouseButtons.Middle)
             {
+
+                //Changing cursor to hand when dragging
+                Cursor.Current = handGrabCursor;
+
                 int xChange = e.X - mLastMouseLocation.X;
                 int yChange = e.Y - mLastMouseLocation.Y;
 

InputLibrary/Cursor.cs

@@ -238,7 +238,7 @@ public void StartCursorSettingFrameStart()
 
         public void SetWinformsCursor(WinCursor cursor)
         {
-            if (!mHasBeenSet)
+            if (!mHasBeenSet && !MiddleDown)
             {
                 mSetCursor = cursor;
                 mHasBeenSet = true;