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Web Extensibility Download Part 3 - Extending Client-side code behavior

/ Published in: C#
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  1. public class CreateExtension : IEndpointBehaviorExtender
  2.     {
  3.         #region IEndpointBehaviorExtender Members
  4.  
  5.         public string Action
  6.         {
  7.             get { return "Expense/Create"; }
  8.         }
  9.  
  10.         public void BeforeSendRequest(string action, ref Message request, IDictionary<string, object> formData)
  11.         {
  12.             // create a strongly type version of the message
  13.             ExpenseCreateRequestMessage req = MessageConverter<ExpenseCreateRequestMessage>.GetObjectFromMessage(action, request);
  14.  
  15.             // the data contract already has additonal collections (dictionaries) so that 
  16.             // additional data can be stored along with the default contract.
  17.  
  18.             // Try to make 'key' as unique as possible so that only you could identify it. Perhaps add your name / intials or BP Channel Name
  19.             if (!req.Expense.FieldExtensions.ContainsKey("RBC_DateExpenseCreated"))
  20.                 req.Expense.FieldExtensions.Add("RBC_DateExpenseCreated", DateTime.Now.ToLongDateString());
  21.  
  22.             // replace the message request with new one
  23.             request = MessageConverter<ExpenseCreateRequestMessage>.SetMessageFromObject(action, req, request.Headers.MessageVersion);
  24.         }
  25.  
  26.         public void AfterReceiveReply(string action, Message reply)
  27.         {
  28.             // convert the message to its strong type (as described in contract library)
  29.             ExpenseCreateResponseMessage response = MessageConverter<ExpenseCreateResponseMessage>.GetObjectFromMessage(action, reply);
  30.  
  31.             // do stuff with respones...
  32.         }
  33.  
  34.         #endregion
  35.     }

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