Manish,
A block is actually a AcDbBlockReference inserted in the DWG.
Take a look at AcDbBlockReference class to further details.
Also, there is a sample that may help you:
\ObjectARX 2000\docsamps\complex
Regards,
Fernando.
"Manish Bhatia" wrote in message
news:BC756DEA008A015774B4D4038302AA3A@in.WebX.maYIadrTaRb...
> Hey Friends
> Can Someone me tell how to modify the Size & other attributes of a
> Block.in an ARX File.
>
>