support wxListCtrl::GetViewRect() in report view too; test it in the sample (#9484)

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@54412 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/generic/listctrl.cpp

@@ -4110,8 +4110,7 @@ int wxListMainWindow::GetSelectedItemCount() const
 
 wxRect wxListMainWindow::GetViewRect() const
 {
-    wxASSERT_MSG( !HasFlag(wxLC_REPORT | wxLC_LIST),
-                    _T("wxListCtrl::GetViewRect() only works in icon mode") );
+    wxASSERT_MSG( !HasFlag(wxLC_LIST), "not implemented for list view" );
 
     // we need to find the longest/tallest label
     wxCoord xMax = 0, yMax = 0;