By assigning wxEmptyString instead of NULL to m_commandString,

I hope to reduce the number of crash-on-startup events


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@3193 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/common/event.cpp

@@ -127,7 +127,7 @@ wxCommandEvent::wxCommandEvent(wxEventType commandType, int theId)
     m_extraLong = 0;
     m_commandInt = 0;
     m_id = theId;
-    m_commandString = (wxChar *) NULL;
+    m_commandString = wxEmptyString;
     m_isCommandEvent = TRUE;
 }