Index: reactos/base/shell/explorer/explorer.cpp
===================================================================
--- reactos/base/shell/explorer/explorer.cpp	(revision 73352)
+++ reactos/base/shell/explorer/explorer.cpp	(working copy)
@@ -193,6 +193,81 @@
     return 0;
 }
 
+// EDIT control Ctrl+A hooker
+class CtrlAHooker
+{
+public:
+    CtrlAHooker() { }
+    CtrlAHooker(BOOL bDoHook) {
+        if (bDoHook)
+            DoHook();
+    }
+
+    ~CtrlAHooker()
+    {
+        Unhook();
+    }
+
+    BOOL DoHook()
+    {
+        if (s_hHook)
+            return TRUE;
+
+        s_hHook = ::SetWindowsHookEx(WH_MSGFILTER,
+            _CtrlAMessageProc, NULL, GetCurrentThreadId());
+        return s_hHook != NULL;
+    }
+    void Unhook()
+    {
+        if (s_hHook)
+        {
+            ::UnhookWindowsHookEx(s_hHook);
+            s_hHook = NULL;
+        }
+    }
+    BOOL IsHooked() const
+    {
+        return s_hHook != NULL;
+    }
+
+protected:
+    static HHOOK s_hHook;
+
+    // hook proc for Ctrl+A
+    static LRESULT CALLBACK
+    _CtrlAMessageProc(INT nCode, WPARAM wParam, LPARAM lParam)
+    {
+        TCHAR szClassName[32];
+        HWND hWnd;
+        if (nCode < 0)
+            return CallNextHookEx(s_hHook, nCode, wParam, lParam);
+
+        LPMSG pMsg = (LPMSG)lParam;
+        if (pMsg->message != WM_KEYDOWN)
+            return CallNextHookEx(s_hHook, nCode, wParam, lParam);
+
+        if ((INT)pMsg->wParam == 'A' &&
+            ::GetAsyncKeyState(VK_CONTROL) < 0 &&
+            ::GetAsyncKeyState(VK_SHIFT) >= 0 &&
+            ::GetAsyncKeyState(VK_MENU) >= 0)
+        {
+            // Ctrl+A is pressed
+            hWnd = ::GetFocus();
+            if (hWnd != NULL)
+            {
+                ::GetClassName(hWnd, szClassName, _countof(szClassName));
+                if (::lstrcmpi(szClassName, TEXT("EDIT")) == 0)
+                {
+                    ::SendMessage(hWnd, EM_SETSEL, 0, -1);
+                    return 1;
+                }
+            }
+        }
+        return CallNextHookEx(s_hHook, nCode, wParam, lParam);
+    }
+};
+/*static*/ HHOOK CtrlAHooker::s_hHook = NULL;
+
 INT WINAPI
 _tWinMain(IN HINSTANCE hInstance,
           IN HINSTANCE hPrevInstance,
@@ -199,6 +274,7 @@
           IN LPTSTR lpCmdLine,
           IN INT nCmdShow)
 {
+    CtrlAHooker TheHooker(TRUE);
     /*
     * Set our shutdown parameters: we want to shutdown the very last,
     * but before any TaskMgr instance (which has a shutdown level of 1).