Snippet -

     if (parcel.SalePrice <= land_price)
               client.Parcels.Buy(parcel.SimName, parcel.ID, false, LLUUID.Zero, false, 
parcel.ActualArea, parcel.SalePrice);



Error	1	The best overloaded method match for 'libsecondlife.ParcelManager.Buy(libsecondlife.Simulator, int, bool, libsecondlife.LLUUID, bool, int, int)' has some invalid arguments	
Error	2	Argument '1': cannot convert from 'string' to 'libsecondlife.Simulator'

Error	3	Argument '2': cannot convert from 'libsecondlife.LLUUID' to 'int'