[pstricks] Problem with PDFLATEX

[Devilvsevil]

Hi,
        i would like to ask you that i have too much problem with pdflatex as i am suing MikTex v2.7 with Led builld 0.526300.

i try to compile the following programme it shows no problem but when i try to generate it using PDFLATEX it gives me the error  as shown below And Also  when i see DVI it shows me Tree diagram but when i generate using DVI to PDF it shows me only letter.

Please Help!



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   Here is the error when compile using PDFLATEX
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! Undefined control sequence.
<recently read> \c at lor@to at ps


1.16}
        % 

?
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                    End Here
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            Here is the main code
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\documentclass[xcolor=table,10pt]{beamer}

\usepackage{pstricks,pstricks-add,pst-node,pst-tree}
\SpecialCoor

\begin{document}

\pstree[levelsep=1,nodesep=3pt]{\Tr[name=A]{A}}{%
 \pstree{\Tr[name=B]{B}}{%
   \Tr[name=D]{D}
   \Tr[name=E]{E}
 }
 \pstree{\Tr[name=B]{C}}{%
   \Tr[name=F]{F}
   \Tr[name=G]{G}
 }
}%

\rput[rc](\linewidth,0|A){1.}%
\rput[rc](\linewidth,0|B){2.}%
\rput[rc](\linewidth,0|D){30.}%
\pcline[linestyle=dotted,nodesepA=5pt,nodesepB=0.5em](A)(\linewidth,0|A)%
\pcline[linestyle=dotted,nodesepA=5pt,nodesepB=0.5em](B)(\linewidth,0|B)%
\pcline[linestyle=dotted,nodesepA=5pt,nodesepB=1em](G)(\linewidth,0|G)%
\end{document} 

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                    End Here
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