Using WCF in Windows Mobile Application

Sriram Yellapragada
May 15, 2012

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Create Sample WCF service

Open Visual studio 2008
Create new project from File --> New --> Project
Create WCF service Application
Select Web project types under project type section
Select WCF Service Application to create the WCF service project
Save the application in your local drive
After creating the project the following files will be created in the solution.
Open service interface file (IService1) and delete the automatically created code.
Copy below mentioned code in IService1 file.

namespace WcfService1
{
   [ServiceContract]
   public interface IService1
   {
   [OperationContract]
   int GetAddResult(int value1,int value2);
   }
}
Open service svc file (Service1.svc.cs) and delete the automatically created code.
Copy below mentioned code in Service1.svc.cs file.

namespace WcfService1
{
   public class Service1 : IService1
   {
   public int GetData(int value1,int value2)
   {
   return value1 + value2;
   }
   }
}
Browse the WCF service application in internet explore
Create service methods will appear in the internet explorer as shown in the below screen capture
Note down the WCF service URL to add the web reference in mobile application.

Create Sample Mobile application

Open Visual studio 2008
Create new project from File --> New --> Project
Select Smart Device project type and Template is Smart Device Project
Select Target platform as per requirement. In the target platform dropdown select suitable mobile platform.
Select Device Application Template and click ok.
Creates the mobile window form to develop the mobile application
Add two text boxes and one button controls to test the service as shown in the below screen shot.

To Consume WCF service in Windows 7 Mobile application

Download NETCv35PowerToys.msi from following link.

http://www.microsoft.com/downloads/en/details.aspx?FamilyID=c8174c14-a27d-4148-bf01-86c2e0953eab&displaylang=en
After installing above msi file it will copy the NetCFSvcUtil.exe, but this will work for Windows 7.
To work in windows 7 we need to down load updated NetCFSvcUtil.exe file from following link.

http://blogs.msdn.com/b/habibh/archive/2009/06/26/netcfsvcutil-exe-and-windows-7.aspx
Copy the downloaded file to the following location

C:\Program Files\Microsoft.NET\SDK\CompactFramework\v3.5\bin\
Open WCF service web.conig file and change the binding mode in endpoint section as mentioned below

<endpoint address="" binding="wsHttpBinding" contract="WcfService1.IService1">

To

<endpoint address="" binding="basicHttpBinding" contract="WcfService1.IService1">
Open command prompt and run the following command
It generates two files as shown in the above screen shot (Service1.cs and CFClientBase.cs).
Add he created two files into mobile application project.
Add following code in link event

private void linkLabel1_Click(object sender, EventArgs e)
{
   Service1Client proxy = new Service1Client();
   int resutl = proxy.GetAddResult(Convert.ToInt32(textBox1.Text), Convert.ToInt32(textBox2.Text));
   MessageBox.Show(resutl.ToString());
}
Open Device Emulator Manager and Windows Mobile Device Center.
Select the Emulator which is our running application.
Click on Cradle to connect to the Windows Mobile Device Center.
Once connected to the Windows Mobile Device Center Run the out mobile application.
Once started the application will open Deploy SmartDeviceProject1 dialog box to chose the Emulator
Click on Deploy button in the dialog box.
After deploying it will open the mobile window with our added controls.