Use wxDynamicCast() instead of IsKindOf() checks.

wxDynamicCast() is less verbose (due to the absence of "CLASSINFO") and more
compatible with the standard dynamic_cast<>, so prefer to use it when possible.

See #14356.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@71624 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/generic/logg.cpp

@@ -372,7 +372,7 @@ void wxLogGui::DoLogRecord(wxLogLevel level,
                 // find the top window and set it's status text if it has any
                 if ( pFrame == NULL ) {
                     wxWindow *pWin = wxTheApp->GetTopWindow();
-                    if ( pWin != NULL && pWin->IsKindOf(CLASSINFO(wxFrame)) ) {
+                    if ( wxDynamicCast(pWin, wxFrame) ) {
                         pFrame = (wxFrame *)pWin;
                     }
                 }