Hi,
Follow below steps.
1) Create a service (webService/WCF).And copy the Service wsdl URl's similar to "http:-----/Service1.svc?wsdl"
2) Go to your Windows application's Solution Explorer. Right Click on your Project.
3) Select "Add Service Reference".
4) "Add Service Reference" dialogue box opens. Paste the URL of WSDL url you copied from service.
5)Click on "Go" button. You will find all the WebMethods in the service.
6) Rename Servicename in Name space text box to a meaningful service name.
7) Click "OK" button. You are done..!
Now use service name space you entered while adding in your windows application programming.
MyService.Service1Client serv = new MyService.Service1Client();
string s = serv.GetData(32);