How to implement locator from and locator to listof values functionality to a custom oracle form

Hi All,

I am developing a custom oracle form . There are two input parameters  locator from and locator to .

How to achieve standard oracle locator from and locator to lov functionally in this custom form  for these parameters of the custom form.

Custom  form will fetch the data between these two locator data.

Functionality of the lov in the custom  form should be same as standard stock locator form ( In short how to implement stock locator KFF value to a custom form parameters )

Regards

Narendra