determine the slider event type more precisely (i.e. generate LINE/PAGE UP/DOWN and...

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

diff --git a/src/msw/textctrl.cpp b/src/msw/textctrl.cpp
index a04437dc77d325fc646ce23530315800365280e5..3beeae72069a1306a007bf68fb25560620c7800b 100644 (file)
--- a/src/msw/textctrl.cpp
+++ b/src/msw/textctrl.cpp
@@ -809,7 +809,10 @@ wxTextCtrl::StreamIn(const wxString& value,
                   (selectionOnly ? SFF_SELECTION : 0),
                   (LPARAM)&eds);
 
-    wxASSERT_MSG( ucf.GotUpdate(), _T("EM_STREAMIN didn't send EN_UPDATE?") );
+    // It's okay for EN_UPDATE to not be sent if the selection is empty and
+    // the text is empty, otherwise warn the programmer about it.
+    wxASSERT_MSG( ucf.GotUpdate() || ( !HasSelection() && value.empty() ),
+                  _T("EM_STREAMIN didn't send EN_UPDATE?") );
 
     if ( eds.dwError )
     {