diff --git a/src/msw/control.cpp b/src/msw/control.cpp index 8e72df223d..88508423ab 100644 --- a/src/msw/control.cpp +++ b/src/msw/control.cpp @@ -162,6 +162,20 @@ bool wxControl::MSWCreateControl(const wxChar *classname, return false; } +#if !wxUSE_UNICODE + // Text labels starting with the character 0xff (which is a valid character + // in many code pages) don't appear correctly as CreateWindowEx() has some + // special treatment for this case, apparently the strings starting with -1 + // are not really strings but something called "ordinals". There is no + // documentation about it but the fact is that the label gets mangled or + // not displayed at all if we don't do this, see #9572. + // + // Notice that 0xffff is not a valid Unicode character so the problem + // doesn't arise in Unicode build. + if ( !label.empty() && label[0] == -1 ) + ::SetWindowText(GetHwnd(), label); +#endif // !wxUSE_UNICODE + // install wxWidgets window proc for this window SubclassWin(m_hWnd);