Widow – Diff between revs 1 and 11

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+{
     public static class Helpers
+    {
         #region Public Methods
+        /// <summary> Get the text for the window pointed to by hWnd </summary>
-        public static IEnumerable<DesktopWindow> GetDesktopWindows()
+        public static string GetWindowText(IntPtr hWnd)
         {
+            var size = Natives.GetWindowTextLength(hWnd);
-            foreach (var process in Process.GetProcesses())
+            if (size > 0)
+            {
-            {
+                var builder = new StringBuilder(size + 1);
+                Natives.GetWindowText(hWnd, builder, builder.Capacity);
-                yield return new DesktopWindow(process.MainWindowHandle, process.MainWindowTitle);
+                return builder.ToString();
+            }
             return string.Empty;
+        }
+        /// <summary> Find all windows that match the given filter </summary>
+        /// <param name="filter">
+        ///     A delegate that returns true for windows
+        ///     that should be returned and false for windows that should
-        }
+        ///     not be returned
         /// </param>
-        public static IntPtr FindWindowByTitle(string name)
+        public static IEnumerable<IntPtr> FindWindows(Natives.EnumWindowsProc filter)
+        {
-        {
+            var windows = new List<IntPtr>();
             var hWnd = IntPtr.Zero;
-            foreach (var pList in Process.GetProcesses())
+            Natives.EnumWindows(delegate(IntPtr wnd, IntPtr param)
+            {
+                if (filter(wnd, param))
-                if (pList.MainWindowTitle.Contains(name))
+                {
                     // only add the windows that pass the filter
-                    hWnd = pList.MainWindowHandle;
+                    windows.Add(wnd);
+                }
+                // but return true here so that we iterate all windows
-                }
+                return true;
+            }, IntPtr.Zero);
+            return windows;
+        }
+        /// <summary> Find all windows that contain the given title text </summary>
+        /// <param name="titleText"> The text that the window title must contain. </param>
         public static IEnumerable<IntPtr> FindWindowsWithText(string titleText)
+        {
-            return hWnd;
+            return FindWindows((wnd, param) => GetWindowText(wnd).Contains(titleText));
+        }
             Natives.GetWindowText(hWnd, title, length);
             return title.ToString();
+        }
+        #endregion
+        public static string GetProcessName(IntPtr hWnd)
+        {
+            Natives.GetWindowThreadProcessId(hWnd, out var pid);
+            var process = Process.GetProcessById((int)pid);
+            return process.ProcessName;
         #endregion
+    }
+}