All these methods are well explained in QTP help
getitem - Returns the item at the specified location.
GetROProperty -Returns the current value of the specified identification property from the object in the application
GetTOProperty - Returns the collection of properties and values used to identify the object
use GetROProperty to know the value in the Combo Box
getitem - Returns the item at the specified location.
GetROProperty -Returns the current value of the specified identification property from the object in the application
GetTOProperty - Returns the collection of properties and values used to identify the object
use GetROProperty to know the value in the Combo Box

