Merge pull request #221 from JakeGinnivan/Win32FindModelWindows

Hopefully fixing issue #165

Author: JakeGinnivan

src/TestStack.White/UIItems/WindowItems/Win32Window.cs

@@ -1,5 +1,8 @@
+using System.Collections.Generic;
 using System.Diagnostics;
+using System.Linq;
 using System.Windows.Automation;
+using TestStack.White.AutomationElementSearch;
 using TestStack.White.Factory;
 using TestStack.White.Sessions;
 using TestStack.White.UIItems.Finders;
@@ -36,6 +39,16 @@ public override Window ModalWindow(string title, InitializeOption option)
                                                          WindowSession.ModalWindowSession(option));
         }
 
+        public override List<Window> ModalWindows()
+        {
+            var descendants = new AutomationElementFinder(automationElement)
+                .Children(new AutomationSearchConditionFactory().GetWindowSearchConditions(automationElement.Current.ProcessId).ToArray());
+
+            return descendants
+                .Select(descendant => ChildWindowFactory.Create(descendant, InitializeOption.NoCache, WindowSession.ModalWindowSession(InitializeOption.NoCache)))
+                .ToList();
+        }
+
         public override Window ModalWindow(SearchCriteria searchCriteria, InitializeOption option)
         {
             return windowFactory.ModalWindow(searchCriteria, option, WindowSession.ModalWindowSession(option));