You need this so that your application will trust and follow Autodiscover redirects - the results of the Autodiscover redirect provides the EWS endpoint for our application. This validation callback will be passed to the ExchangeService object in step 4. to encrypt the authentication credentials. callback, the redirection URL is considered valid if it is using HTTPS Validate the contents of the redirection URL. Uri redirectionUri = new Uri(redirectionUrl) The default for the validation callback is to reject the URL. private static bool RedirectionUrlValidationCallback(string redirectionUrl) This validates whether redirected URLs returned by Autodiscover represent an HTTPS endpoint.
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In the next step, you will develop the basic code to write most EWS Managed API client applications.] Step 3: Set up URL redirection validation for AutodiscoverĪdd the following redirection validation callback method after the Main(string args) method. Read Reference the EWS Managed API assembly for more information about referencing the EWS Managed API. To keep things simple, add your code to the Program.cs file. Now that you have your project set up and you created a reference to the EWS Managed API, you are ready to create your first application.
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NET Framework 4 is selected in the Target framework drop-down box. Open the shortcut menu (right-click) for your HelloWorld project in the Solution Explorer, and choose Properties. NET Framework.Ĭonfirm that you are using the correct target version of the. Other versions of the EWS Managed API might use a different target version of the. If you are using EWS Managed API 2.0, change the HelloWorld project to target the. This adds the EWS Managed API reference to your project.
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The path can vary based on whether you download the 32 or 64 bit version of the. The default path set by the installer is the following: C:\Program Files\Microsoft\Exchange\Web Services. Browse to the location where you installed the EWS Managed API DLL. A dialog box for managing project references will open.Ĭhoose the Browse option. In the Solution Explorer and the HelloWorld project, open the shortcut menu (right-click) for References and choose Add Reference from the context menu. To open the Solution Explorer window, on the View menu, choose Solution Explorer. If the Solution Explorer window is already open, skip this step and proceed to step 2. Step 2: Add a reference to the EWS Managed API Visual Studio creates the project and opens the Program.cs code document window. Name the project HelloWorld, and then choose OK. From the Templates pane, choose Visual C#, and then choose Console Application. The New Project dialog box opens.Ĭreate a C# Console Application. In Visual Studio, on the File menu, choose New, and then choose Project. Step 1: Create a project in Visual Studio Also note that these steps might vary slightly depending on the version of Visual Studio that you are using.
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If you downloaded and installed Exchange, you will need to install a valid certificate on your Exchange server or implement a certificate validation callback for a self-signed certificate that is provided by default. These steps assume that you set up an Office 365 Developer Site. Use the default installation location.Ĭreate your first EWS Managed API application You can use either the 64-bit or 32-bit version, depending on your system. Although technically, you don't need Visual Studio because you can use any C# compiler, we recommend that you use it. Make sure that you have access to the following:Īny version of Visual Studio that supports the. You can use the Exchange web client Outlook Web App to verify that you can send email. This is the quickest way for you to set up an Exchange mailbox.Īfter you have verified that you can send and receive email from Exchange, you are ready to set up your development environment. Get an Office 365 Developer Site (recommended). Otherwise, you have the following options for setting up an Exchange mailbox for your first EWS client application: If you already have an Exchange mailbox account, you can skip this section.
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The EWS Managed API is now available as an open source project on GitHub.