[pstricks] Modify the dots in psgrid command

[azzam.hassan at voila.fr]

Hi every one and first of all H new year
How cane one modify the size and style of the dots using the gird command; (without using multido command)
perhaps as below :
is there a command like : 
\psgrid[subgriddiv=0,griddots=1,gridlabels=0pt,girddotstyle=o,griddotsize=2pt]
thanks for help


Cordialement
Azzam HASSAN

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