Add "sendInvalidate" request

src/OpenDebugAD7/AD7DebugSession.cs

@@ -128,8 +128,35 @@ public AD7DebugSession(Stream debugAdapterStdIn, Stream debugAdapterStdOut, List
             m_dataBreakpoints = new Dictionary<string, IDebugPendingBreakpoint2>();
             m_exceptionBreakpoints = new List<string>();
             m_variableManager = new VariableManager();
+
+            //Register sendInvalidate request
+            Protocol.RegisterRequestType<SendInvalidateRequest, SendInvalidateArguments>(r => this.HandleSendInvalidateRequestAsync(r));
+
         }
 
+        private void HandleSendInvalidateRequestAsync(IRequestResponder<SendInvalidateArguments> responder)
+        {
+            InvalidatedEvent invalidated = new InvalidatedEvent();
+
+            // Setting the area and adding it to the result
+            invalidated.Areas.Add(responder.Arguments.Areas);
+
+            // Setting the StackFrameId if passed (and the 'threadId' is ignored).
+            if (null != responder.Arguments.StackFrameId)
+            {
+                invalidated.StackFrameId = responder.Arguments.StackFrameId;
+            }
+
+            // Setting the ThreadId if passed
+            else if (null != responder.Arguments.ThreadId)
+            {
+                invalidated.ThreadId = responder.Arguments.ThreadId;
+            }
+
+
+            Protocol.SendEvent(invalidated);
+
+        }
         #endregion
 
         #region Utility
@@ -3874,4 +3901,21 @@ int IDebugSettingsCallback110.ShouldSuppressImplicitToStringCalls(out int pfSupp
             }
         }
     }
+
+    internal class SendInvalidateRequest : DebugRequest<SendInvalidateArguments>
+    {
+
+        public SendInvalidateRequest(): base("sendInvalidate")
+        {
+        }
+    }
+
+    internal class SendInvalidateArguments : DebugRequestArguments
+    {
+
+        public InvalidatedAreas Areas { get; set; }
+        public int? ThreadId { get; set; }
+        public int? StackFrameId { get; set; }
+
+    }
 }