[Mwinapi-commits] SF.net SVN: mwinapi:[123] trunk/ManagedWinapi/Windows/SystemWindow.cs

[<zi...@us...>]

Revision: 123
          http://sourceforge.net/p/mwinapi/code/123
Author:   ziewer
Date:     2014-11-26 10:23:27 +0000 (Wed, 26 Nov 2014)
Log Message:
-----------
fixed SystemWindow.Rectangle for maximized windows with Windows Aero

Modified Paths:
--------------
    trunk/ManagedWinapi/Windows/SystemWindow.cs

Modified: trunk/ManagedWinapi/Windows/SystemWindow.cs
===================================================================
--- trunk/ManagedWinapi/Windows/SystemWindow.cs	2014-11-25 17:35:37 UTC (rev 122)
+++ trunk/ManagedWinapi/Windows/SystemWindow.cs	2014-11-26 10:23:27 UTC (rev 123)
@@ -755,6 +755,24 @@
             {
                 RECT r = new RECT();
                 GetWindowRect(_hwnd, out r);
+
+                // GetWindowRect returns wrong values for maximized windows when using Windows Aero desktop.
+                // Reduce bounds by negative padding of "glass" pixels for maximized windows.
+                if ((Style & WindowStyleFlags.MAXIMIZE) > 0)
+                {
+                    // check whether top or left is negative 
+                    // check both to support dual screen setup where bounds.Left might be larger than 0 on right screen
+                    int glass = Math.Min(r.Left, r.Top); 
+                    if (glass < 0)
+                    {
+                        // remove glass pixels from rectangle
+                        r.Left -= glass;
+                        r.Top -= glass;
+                        r.Right += glass;
+                        r.Bottom += glass;
+                    }
+                }
+
                 return r;
             }
         }
@@ -1087,8 +1105,7 @@
         /// </summary>
         public void Highlight()
         {
-            RECT rect;
-            GetWindowRect(_hwnd, out rect);
+            RECT rect = Rectangle;
             using (WindowDeviceContext windowDC = GetDeviceContext(false))
             {
                 using (Graphics g = windowDC.CreateGraphics())

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