how to call one of the main form control inside a subform?

[siamandm]

Hi
if i have a main form called frmMain , and has a combo box inside called cboCity

and i have a sub form called subfrm , inside this form i want to say me.cboCity but it gives error ... how to get it?

regards

[HansV]

Me.Parent.cboCity

[siamandm]

thank you