X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/6463b9f5399b8670a0c74f2f8666bc2c9f37a406..daf3246330c8ae7b4536cd1f6deef733a405cecd:/src/univ/textctrl.cpp diff --git a/src/univ/textctrl.cpp b/src/univ/textctrl.cpp index 3111cdf4bd..3b15ef1070 100644 --- a/src/univ/textctrl.cpp +++ b/src/univ/textctrl.cpp @@ -487,7 +487,7 @@ struct WXDLLEXPORT wxTextWrappedData : public wxTextMultiLineData // ---------------------------------------------------------------------------- /* - We use custom versions of wxWindows command processor to implement undo/redo + We use custom versions of wxWidgets command processor to implement undo/redo as we want to avoid storing the backpointer to wxTextCtrl in wxCommand itself: this is a waste of memory as all commands in the given command processor always have the same associated wxTextCtrl and so it makes sense @@ -1648,6 +1648,9 @@ wxString wxTextCtrl::GetLineText(wxTextCoord line) const } else // multiline { + //this is called during DoGetBestSize + if (line == 0 && GetLineCount() == 0) return wxEmptyString ; + wxCHECK_MSG( (size_t)line < GetLineCount(), _T(""), _T("line index out of range") );