disclosure triangles on all implementations are able to give their true best size

[wxWidgets.git] / src / msw / timer.cpp

diff --git a/src/msw/timer.cpp b/src/msw/timer.cpp
index a82534c49287651a38e334038172f582e94d7f29..48d24f04d0a2cf24f385ce5d77523188585dd76d 100644 (file)
--- a/src/msw/timer.cpp
+++ b/src/msw/timer.cpp
@@ -122,6 +122,11 @@ bool wxMSWTimerImpl::Start(int milliseconds, bool oneShot)
     // check that SetTimer() didn't reuse an existing id: according to the MSDN
     // this can happen and this would be catastrophic to us as we rely on ids
     // uniquely identifying the timers because we use them as keys in the hash
+    //
+    // notice that this also happens if the same id is reused for multiple
+    // timers: this used to work in previous versions but was never supported
+    // and absolutely shouldn't be done, use wxID_ANY to assign an id to the
+    // timer automatically or ensure that all your timers have unique ids
     if ( TimerMap().find(m_id) != TimerMap().end() )
     {
         wxLogError(_("Timer creation failed."));
@@ -192,8 +197,10 @@ const wxChar *wxTimerHiddenWindowModule::ms_className = NULL;
 
 bool wxTimerHiddenWindowModule::OnInit()
 {
-    ms_hwnd = NULL;
-    ms_className = NULL;
+    // do not initialize ms_hwnd to ms_className to NULL here: it may happen
+    // that our GetHWND() is called before the modules are initialized if a
+    // timer is created from wxApp-derived class ctor and in this case we
+    // shouldn't overwrite it
 
     return true;
 }