added wxLongLong::ToString()

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@11475 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

docs/latex/wx/longlong.tex

@@ -107,6 +107,12 @@ Truncate wxLongLong to long. If the conversion loses data (i.e. the wxLongLong
 value is outside the range of built-in long type), an assert will be triggered
 in debug mode.
 
+\membersection{wxLongLong::ToString}\label{wxlonglongtostring}
+
+\constfunc{wxString}{ToString}{\void}
+
+Returns the string representation of a wxLongLong.
+
 \membersection{wxLongLong::operator$+$}\label{wxlonglongoperatorplus}
 
 \constfunc{wxLongLong}{operator$+$}{\param{const wxLongLong\& }{ll}}