allow copying wxFormatString for compiler-generated temporaries

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

diff --git a/src/msw/window.cpp b/src/msw/window.cpp
index c41f9b1e61a582d350ca2ac2862acfe91b17b828..1a119e8191b65f7b1568d92d8291fcfcfdc32bbd 100644 (file)
--- a/src/msw/window.cpp
+++ b/src/msw/window.cpp
@@ -1442,7 +1442,7 @@ void wxWindowMSW::OnInternalIdle()
     }
 #endif // !HAVE_TRACKMOUSEEVENT
 
-    if (wxUpdateUIEvent::CanUpdate(this))
+    if (wxUpdateUIEvent::CanUpdate(this) && IsShown())
         UpdateWindowUI(wxUPDATE_UI_FROMIDLE);
 }