Hello
in the Document Patch, I can add an IOBox which will be red with error ‘No Symbol’.
If I then click on the dot to draw a connection, I get
************** Exception Text **************
System.NullReferenceException: Object reference not set to an instance of an object.
at VL.Model.Patch.GetOrAddLink(IEnumerable`1 datahubs, Boolean isReference, Boolean isFeedback, Boolean force) in C:\BuildAgent\work\9506352823f45313\vvvv50\VL.Lang\src\ImmutableModel\Nodes.cs:line 903
at VL.Lang.View.CanvasView.ConnectionMouseHandler.MouseDown(VMouseEventArgs arg) in C:\BuildAgent\work\9506352823f45313\vvvv50\VL.UI\src\VL Forms\PatchEditor\EventHandler\ConnectionMouseHandler.cs:line 116
at VL.Lang.View.CanvasView.CanvasDecisionMouseHandler.ClickMethod(VMouseEventArgs downArg, VMouseEventArgs upArg) in C:\BuildAgent\work\9506352823f45313\vvvv50\VL.UI\src\VL Forms\PatchEditor\EventHandler\CanvasDecisionMouseHandler.cs:line 217
at VL.Core.Viewer.Handler.<>c__DisplayClass15_0.b__1(VMouseEventArgs up) in C:\BuildAgent\work\9506352823f45313\vvvv50\VL.UI\src\VL.UI.Core\Viewer\EventHandler.cs:line 463
at VL.Core.Viewer.Handler.ParallelMouseHandler.MouseUp(VMouseEventArgs arg) in C:\BuildAgent\work\9506352823f45313\vvvv50\VL.UI\src\VL.UI.Core\Viewer\EventHandler.cs:line 248
at VL.Lang.View.CanvasView.CanvasDecisionMouseHandler.MouseUp(VMouseEventArgs arg) in C:\BuildAgent\work\9506352823f45313\vvvv50\VL.UI\src\VL Forms\PatchEditor\EventHandler\CanvasDecisionMouseHandler.cs:line 125
at VL.GraphicalEditor.Piccolo.GraphEditor.FCanvas_MouseUp(Object sender, MouseEventArgs e) in C:\BuildAgent\work\9506352823f45313\vvvv50\VL.UI\src\PiccoloGraphicalEditor\GraphEditor.cs:line 160
at System.Windows.Forms.Control.OnMouseUp(MouseEventArgs e)
at Piccolo.NET.PCanvas.OnMouseUp(MouseEventArgs e)
at System.Windows.Forms.Control.WmMouseUp(Message& m, MouseButtons button, Int32 clicks)
at System.Windows.Forms.Control.WndProc(Message& m)
at System.Windows.Forms.NativeWindow.Callback(IntPtr hWnd, Int32 msg, IntPtr wparam, IntPtr lparam)