[Mwinapi-commits] SF.net SVN: mwinapi:[111] trunk/ManagedWinapi/SystemAccessibleObject.cs

[<sch...@us...>]

Revision: 111
          http://mwinapi.svn.sourceforge.net/mwinapi/?rev=111&view=rev
Author:   schierlm
Date:     2012-01-03 21:56:22 +0000 (Tue, 03 Jan 2012)
Log Message:
-----------
Add support for requesting COM Automation object from a window, useful
for controlling Microsoft Office applications.

[submitted by S?\195?\169bastien de Menten <sdementen at gmail dot com>]

Modified Paths:
--------------
    trunk/ManagedWinapi/SystemAccessibleObject.cs

Modified: trunk/ManagedWinapi/SystemAccessibleObject.cs
===================================================================
--- trunk/ManagedWinapi/SystemAccessibleObject.cs	2011-10-15 17:25:38 UTC (rev 110)
+++ trunk/ManagedWinapi/SystemAccessibleObject.cs	2012-01-03 21:56:22 UTC (rev 111)
@@ -100,6 +100,17 @@
         }
 
         /// <summary>
+        /// Gets the automation object for a given window. 
+        /// This is a COM object implementing the IDispatch interface, commonly 
+        /// available from Microsoft Office windows.
+        /// </summary>
+        /// <param name="window">The window</param>
+        public static object COMObjectFromWindow(SystemWindow window)
+        {
+            return AccessibleObjectFromWindow(window == null ? IntPtr.Zero : window.HWnd, OBJID_NATIVEOM, new Guid("{00020400-0000-0000-C000-000000000046}"));
+        }
+
+        /// <summary>
         /// Gets an accessibility object for the mouse cursor.
         /// </summary>
         public static SystemAccessibleObject MouseCursor
@@ -600,6 +611,8 @@
 
         #region PInvoke Declarations
 
+        const uint OBJID_NATIVEOM = 0xFFFFFFF0;
+
         [DllImport("oleacc.dll")]
         private static extern IntPtr AccessibleObjectFromPoint(POINT pt, [Out, MarshalAs(UnmanagedType.Interface)] out IAccessible accObj, [Out] out object ChildID);
         [DllImport("oleacc.dll")]

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