Program: Create an application that list accounts from a Dictionary Object.

Create an Account Class that contains an ID, Name, and Balance.

Display the account in a ListBox. If the user enters new values, they can click on the Add Button to add a new account to the dictionary item.

Use exception handlers to catch errors caused by invalid input values, or an attempt to ass a duplicate Account ID to the dictionary.               

I have the answer already but i do not understand it; I need expert to guide through it step by step. thanks!