From 7772f9724172e8f0ab37c4e75bb6270b2fd8f6f4 Mon Sep 17 00:00:00 2001
From: James Tabor <james.tabor@reactos.org>
Date: Sat, 11 Apr 2020 17:58:38 -0500
Subject: [PATCH] [User32] Return Default Window Procedure for WM_DEVICECHANGE

See CORE-16492.
---
 win32ss/user/ntuser/defwnd.c         | 3 +++
 win32ss/user/user32/windows/defwnd.c | 3 +++
 2 files changed, 6 insertions(+)

diff --git a/win32ss/user/ntuser/defwnd.c b/win32ss/user/ntuser/defwnd.c
index 241d1c6e3ed..4bfe24e3d55 100644
--- a/win32ss/user/ntuser/defwnd.c
+++ b/win32ss/user/ntuser/defwnd.c
@@ -547,6 +547,9 @@ IntDefWindowProc(
 
    switch (Msg)
    {
+      case WM_DEVICECHANGE:
+            return TRUE;
+
       case WM_GETTEXTLENGTH:
       {
             PWSTR buf;
diff --git a/win32ss/user/user32/windows/defwnd.c b/win32ss/user/user32/windows/defwnd.c
index baa31e7af0a..9171d0f693b 100644
--- a/win32ss/user/user32/windows/defwnd.c
+++ b/win32ss/user/user32/windows/defwnd.c
@@ -328,6 +328,9 @@ User32DefWindowProc(HWND hWnd,
 
     switch (Msg)
     {
+        case WM_DEVICECHANGE:
+            return TRUE;
+
         case WM_POPUPSYSTEMMENU:
         {
             /* This is an undocumented message used by the windows taskbar to