diff options
Diffstat (limited to 'src/w32fns.c')
| -rw-r--r-- | src/w32fns.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/src/w32fns.c b/src/w32fns.c index fd8df29affa..47ca9157623 100644 --- a/src/w32fns.c +++ b/src/w32fns.c @@ -52,6 +52,7 @@ Boston, MA 02110-1301, USA. */ #include <shellapi.h> #include <ctype.h> #include <winspool.h> +#include <objbase.h> #include <dlgs.h> #define FILE_NAME_TEXT_FIELD edt1 @@ -2514,6 +2515,13 @@ w32_msg_pump (deferred_msg * msg_buf) /* Produced by complete_deferred_msg; just ignore. */ break; case WM_EMACS_CREATEWINDOW: + /* Initialize COM for this window. Even though we don't use it, + some third party shell extensions can cause it to be used in + system dialogs, which causes a crash if it is not initialized. + This is a known bug in Windows, which was fixed long ago, but + the patch for XP is not publically available until XP SP3, + and older versions will never be patched. */ + CoInitialize (NULL); w32_createwindow ((struct frame *) msg.wParam); if (!PostThreadMessage (dwMainThreadId, WM_EMACS_DONE, 0, 0)) abort (); @@ -3660,6 +3668,10 @@ w32_wnd_proc (hwnd, msg, wParam, lParam) my_post_msg (&wmsg, hwnd, msg, wParam, lParam); goto dflt; + case WM_DESTROY: + CoUninitialize (); + return 0; + case WM_CLOSE: wmsg.dwModifiers = w32_get_modifiers (); my_post_msg (&wmsg, hwnd, msg, wParam, lParam); |