//Events_Edit
private bool Events_Edit()
{
   //Instanciating new webservice object.
   Parhot.Webservices.ParhotContactEventWS objParhotWS = new Parhot.Webservices.ParhotContactEventWS();

   //Calling webservice method for editing an events .
   return objParhotWS.Events_Edit( "YOUR-USERNAME", "YOUR-PASSWORD", EventID, EventName, EventAlias);
}