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When a .MXD file is opened in ArcMap, which has a Bentley Hydraulics and Hydrology model attached, a "Microsoft .NET Framework" error appears with the following details.
System.NullReferenceException: Object reference not set to an instance of an object. at Haestad.Drawing.Control.Application.GraphicalParentFormUIModelBase.HandleActiveSelectionEventChannel_ActiveSelectionChanged(Object sender, ActiveSelectionChangedEventArgs e) at Haestad.Framework.Support.ActiveSelectionChangedEventHandler.Invoke(Object sender, ActiveSelectionChangedEventArgs e) at Haestad.Framework.Support.ActiveSelectionEventChannel.OnActiveSelectionChanged(Object selection, Boolean ensureVisible) at Haestad.Framework.Windows.Forms.Components.HaestadDockingUserControl.NotifyActiveSelectionEdited() at Haestad.Framework.Windows.Forms.Components.ProjectExplorerListViewControl.listViewControlProjectExplorer_SelectionEdited(Object aobject, SelectionEditedEventArgs e) at Haestad.Framework.Windows.Forms.Components.ListViewControl.OnSelectionEdited(Object sender) at Haestad.Framework.Windows.Forms.Components.ListViewControl.ListView_DoubleClickEvent(Object sender, EventArgs e) at System.Windows.Forms.Control.OnDoubleClick(EventArgs e) at System.Windows.Forms.ListView.WndProc(Message& m) at Haestad.Framework.Windows.Forms.Components.ListViewEx.WndProc(Message& m) at System.Windows.Forms.Control.ControlNativeWindow.OnMessage(Message& m) at System.Windows.Forms.Control.ControlNativeWindow.WndProc(Message& m) at System.Windows.Forms.NativeWindow.Callback(IntPtr hWnd, Int32 msg, IntPtr wparam, IntPtr lparam)
Make sure you are using compatible versions of ArcMap and the Bentley Hydraulics and Hydrology Product.
Click here for a list of compatible versions.
AutoCAD Integration Troubleshooting
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