Added DEVNAMES to wxPrintDialog to remember printer name; fixed wxDC::Clear

to not assert for printer DCs


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@5650 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/msw/dc.cpp

@@ -261,7 +261,11 @@ void wxDC::Clear()
     }
     else
     {
-        wxCHECK_RET( m_selectedBitmap.Ok(), wxT("this DC can't be cleared") );
+        // No, I think we should simply ignore this if printing on e.g.
+        // a printer DC.
+        // wxCHECK_RET( m_selectedBitmap.Ok(), wxT("this DC can't be cleared") );
+        if (!m_selectedBitmap.Ok())
+            return;
 
         rect.left = 0; rect.top = 0;
         rect.right = m_selectedBitmap.GetWidth();