Zamanında kullanmış olduğum bir kod blogunu paylaşayım sizinle, işinize yarayacağını düşünüyorum.

foreach blogunu kendinize göre düzenleyebilirsiniz.

            foreach (Process process in Process.GetProcessesByName("chrome")) 
            { 
               string url = GetChromeUrl(process); 
               if (url == null) 
                    continue; 
                 istemci.MesajYolla(url); 
            } 

        public static string GetChromeUrl(Process process) 
        { 
            if (process == null) 
               throw new ArgumentNullException("process"); 

            if (process.MainWindowHandle == IntPtr.Zero) 
               return null; 

            AutomationElement element = AutomationElement.FromHandle(process.MainWindowHandle); 
            if (element == null) 
               return null; 

            AutomationElement edit = element.FindFirst(TreeScope.Children, new PropertyCondition(AutomationElement.ControlTypeProperty, ControlType.Edit)); 

            return ((ValuePattern)edit.GetCurrentPattern(ValuePattern.Pattern)).Current.Value.ToString() as string; 
        } 

        public static string GetInternetExplorerUrl(Process process) 
        { 
            if (process == null) 
               throw new ArgumentNullException("process"); 

            if (process.MainWindowHandle == IntPtr.Zero) 
               return null; 

            AutomationElement element = AutomationElement.FromHandle(process.MainWindowHandle); 
            if (element == null) 
               return null; 

            AutomationElement rebar = element.FindFirst(TreeScope.Children, new PropertyCondition(AutomationElement.ClassNameProperty, "ReBarWindow32")); 
            if (rebar == null) 
               return null; 

            AutomationElement edit = rebar.FindFirst(TreeScope.Subtree, new PropertyCondition(AutomationElement.ControlTypeProperty, ControlType.Edit)); 

            return ((ValuePattern)edit.GetCurrentPattern(ValuePattern.Pattern)).Current.Value as string; 
        } 

        public static string GetFirefoxUrl(Process process) 
        { 
            if (process == null) 
               throw new ArgumentNullException("process"); 

            if (process.MainWindowHandle == IntPtr.Zero) 
               return null; 

            AutomationElement element = AutomationElement.FromHandle(process.MainWindowHandle); 
            if (element == null) 
               return null; 

            AutomationElement doc = element.FindFirst(TreeScope.Subtree, new PropertyCondition(AutomationElement.ControlTypeProperty, ControlType.Document)); 
            if (doc == null) 
               return null; 

            return ((ValuePattern)doc.GetCurrentPattern(ValuePattern.Pattern)).Current.Value as string; 
        }