From 1d0b6ba4cb22827fba71ef99b3ee7734a3c442fd Mon Sep 17 00:00:00 2001
From: batzen <batzen@gmx.org>
Date: Fri, 18 Sep 2015 01:35:02 +0200
Subject: [PATCH] Fixes #170, #80 and #159 by not reacting to WM_STYLECHANGED
 but WM_SIZE instead

---
 Fluent/Internal/WindowSizing.cs  | 17 +++++++----------
 Fluent/Metro/Native/Constants.cs |  1 +
 2 files changed, 8 insertions(+), 10 deletions(-)

diff --git a/Fluent/Internal/WindowSizing.cs b/Fluent/Internal/WindowSizing.cs
index 362bf9a60..757246fa2 100644
--- a/Fluent/Internal/WindowSizing.cs
+++ b/Fluent/Internal/WindowSizing.cs
@@ -75,8 +75,13 @@ private IntPtr HwndHook(IntPtr hWnd, int message, IntPtr wParam, IntPtr lParam,
 
             switch (message)
             {
-                case Constants.WM_STYLECHANGED:
-                    this.FixWindowChromeBugForFreezedMaximizedWindow();
+                case Constants.WM_SIZE:
+                    // When window is maximized and was not responding, windows issues another WM_SIZE when window is responding again so we need to shift the window position back and forth
+                    // Fixes #80, #159 and #170
+                    if (this.GetWindowPlacement().showCmd == 3)
+                    {
+                        this.FixWindowChromeBugForMaximizedWindow();
+                    }
                     break;
 
                 case Constants.WM_GETMINMAXINFO:
@@ -96,14 +101,6 @@ private WINDOWPLACEMENT GetWindowPlacement()
 
         #region Fixes
 
-        private void FixWindowChromeBugForFreezedMaximizedWindow()
-        {
-            if (this.GetWindowPlacement().showCmd == 3)
-            {
-                this.FixWindowChromeBugForMaximizedWindow();
-            }
-        }
-
         private void FixMinMaxInfo(IntPtr hWnd, IntPtr lParam, out bool handled)
         {
             if (this.GetWindowPlacement().showCmd == 3)
diff --git a/Fluent/Metro/Native/Constants.cs b/Fluent/Metro/Native/Constants.cs
index 5f34a6069..69f90b2f8 100644
--- a/Fluent/Metro/Native/Constants.cs
+++ b/Fluent/Metro/Native/Constants.cs
@@ -13,6 +13,7 @@ internal static class Constants
         public const int WM_STYLECHANGED = 0x7d;
         public const int WM_CREATE = 0x0001;
         public const int WM_NCHITTEST = 0x84;
+        public const int WM_SIZE = 0x0005;
 
         public const long WS_MAXIMIZE = 0x01000000;