Chapter 4.LB, Problem 4E

Program Plan Intro

Tripe County Electric

Program plan:

• Create new Windows Forms Application.
• Design the form by placing the labels, textbox, and button and then change their name and properties.
• Inside the “Calcualte” button,
  • Declare required variables.
  • Parse the previous value and current value.
  • Check whether the “currValue” is greater than “prevValue”.
    • Display the message in the message box.
    • Otherwise, calculate the value.
      • Calculate the bill value.
    • Convert the bill value.
• Inside the “Clear” button,
  • Clear the form.
• Inside the “Exit” button,
  • Close the form.