Index: DamClients/DamUI/trunk/src/Dam/Forms/DamContext.cs
===================================================================
diff -u -r6271 -r6372
--- DamClients/DamUI/trunk/src/Dam/Forms/DamContext.cs	(.../DamContext.cs)	(revision 6271)
+++ DamClients/DamUI/trunk/src/Dam/Forms/DamContext.cs	(.../DamContext.cs)	(revision 6372)
@@ -30,6 +30,7 @@
 using Deltares.Standard.Attributes;
 using Deltares.Standard.Forms;
 using Deltares.Standard.Forms.DExpress;
+using Deltares.Standard.Forms.Maps;
 using Deltares.Standard.Reflection;
 using DevExpress.Utils.Menu;
 using DevExpress.XtraTreeList;
@@ -144,6 +145,14 @@
         /// </returns>
         public override bool? IsEnabled(object source, string member)
         {
+            // Legend in DotSpatial 1.8 uses ContextMenu which is not supported in .NET6
+            if (source is MapEditor)
+            {
+                if (member == "ShowLegend") 
+                {
+                    return false;
+                }
+            }
             // Make sure CharacteristicPoints can not be edited for now.
             if (source is CharacteristicPoint)
             {