C# (CSharp) Microsoft.Exchange.Clients.Owa2.Server.Web Plt1WebHandler.AddKeyValuePair - 3 examples found. These are the top rated real world C# (CSharp) examples of Microsoft.Exchange.Clients.Owa2.Server.Web.Plt1WebHandler.AddKeyValuePair extracted from open source projects. You can rate examples to help us improve the quality of examples.