Felix Nawothnig : comctl32: Allow destruction of toolbar in BN_CLICKED handler.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 765791387393c5251744b88e7615766c22b09ad7
URL:    http://source.winehq.org/git/wine.git/?a=commit;h=765791387393c5251744b88e76...

Author: Felix Nawothnig 
Date:   Fri Apr  6 00:27:21 2007 +0200

comctl32: Allow destruction of toolbar in BN_CLICKED handler.

---

dlls/comctl32/toolbar.c |    4 ++++
 1 files changed, 4 insertions(+), 0 deletions(-)

diff --git a/dlls/comctl32/toolbar.c b/dlls/comctl32/toolbar.c
index b8c76e5..e08a15f 100644
--- a/dlls/comctl32/toolbar.c
+++ b/dlls/comctl32/toolbar.c
@@ -5860,6 +5860,10 @@ TOOLBAR_LButtonUp (HWND hwnd, WPARAM wParam, LPARAM lParam)
    {
        SendMessageW (infoPtr->hwndNotify, WM_COMMAND,
          MAKEWPARAM(infoPtr->buttons[nHit].idCommand, BN_CLICKED), (LPARAM)hwnd);
+
+            /* In case we have just been destroyed... */
+            if(!IsWindow(hwnd))
+                return 0;
         }
     }