X-Git-Url: https://git.reactos.org/?p=reactos.git;a=blobdiff_plain;f=reactos%2Fwin32ss%2Fuser%2Fuser32%2Fwindows%2Fwindow.c;h=53ed882e6a22720b353655a412e56d82f772c9e4;hp=6dc864866603e77a3e8b9e50ec6f55e7f1cbaddc;hb=769eb79128169cd86791a9f8a51a6fc2e468f2e8;hpb=e0d8684a66aea5bbf3ed66a184018608bae3531a;ds=sidebyside

diff --git a/reactos/win32ss/user/user32/windows/window.c b/reactos/win32ss/user/user32/windows/window.c
index 6dc86486660..53ed882e6a2 100644
--- a/reactos/win32ss/user/user32/windows/window.c
+++ b/reactos/win32ss/user/user32/windows/window.c
@@ -1501,7 +1501,9 @@ IsWindow(HWND hWnd)
     PWND Wnd = ValidateHwndNoErr(hWnd);
     if (Wnd != NULL)
     {
-        /* FIXME: If window is being destroyed return FALSE! */
+        if (Wnd->state & WNDS_DESTROYED ||
+            Wnd->state2 & WNDS2_INDESTROY)
+           return FALSE;
         return TRUE;
     }