the Security properties need to change. for the selected partion the permission for W

hi,

i need a help from u guys.please help me by sending code for this.
am a learner in vb.net.

i created a form window in vb.net.on the form its display my hard disk partitions using combo box.by clicking the respective partition that selected partion the Security properties need to change. for the selected partion the permission for Write must be denied.Not allowed the user to write anything to that drive(You can see Security properties by right clicking on the volume and choosing Properties in Explorer, then Security tab.). the thing is write allow changed to deny.

if possible sent the code.

waiting for ur reply friends