diff --git a/lib/delphi/src/Thrift.Exception.pas b/lib/delphi/src/Thrift.Exception.pas
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+++ b/lib/delphi/src/Thrift.Exception.pas
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+(*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ *)
+
+{$SCOPEDENUMS ON}
+
+unit Thrift.Exception;
+
+interface
+
+uses
+  Classes, SysUtils;
+
+type
+  // base class for all Thrift exceptions
+  TException = class( SysUtils.Exception)
+  public
+    function Message : string;        // hide inherited property: allow read, but prevent accidental writes
+    procedure UpdateMessageProperty;  // update inherited message property with toString()
+  end;
+
+
+
+
+implementation
+
+{ TException }
+
+function TException.Message;
+// allow read (exception summary), but prevent accidental writes
+// read will return the exception summary
+begin
+  result := Self.ToString;
+end;
+
+procedure TException.UpdateMessageProperty;
+// Update the inherited Message property to better conform to standard behaviour.
+// Nice benefit: The IDE is now able to show the exception message again.
+begin
+  inherited Message := Self.ToString;  // produces a summary text
+end;
+
+
+
+
+end.
+