# Problem with drawing an arrow using Pstricks

I'm trying to draw an arrow by using pstricks, but I cannot do that. The code is below:

\documentclass{book}‎
\usepackage{pstricks}‎‎
\begin{document}‎‎
\psline[linewidth=20pt]{<-}(2,1)‎‎‎
\end{document}‎
‎‎‎


What should I change with this code?

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What exactly is the problem? Does the output look bad or do you have problems compiling it? –  N.N. Sep 23 '11 at 6:57
the output is a blank page while there's no error –  Negin Sep 23 '11 at 6:59
Run it with xelatex or alternetively with the sequence latex->dvips->ps2pdf. And then view it with the pdf and not the dvi