Microsoft Visual Basic 2010 Step by Step eBook

Chapter 5 Visual Basic Variables and Formulas, and the .NET Framework 153 What is the purpose of the .NET Framework, anyway? The ...

154 Part II Programming Fundamentals The System.Math class is a collection of methods provided by the .NET Framework for arithme ...

Chapter 5 Visual Basic Variables and Formulas, and the .NET Framework 155 To make it easier to reference classes, properties, an ...

156 Part II Programming Fundamentals Total = 10 + 15 * 2 / 4 ^ 2 Total = 10 + 15 * 2 / 16 Total = 10 + 30 / 16 Total = 10 + 1.87 ...

Chapter 5 Visual Basic Variables and Formulas, and the .NET Framework 157 To Do This Display output in a dialog box Use the MsgB ...

...

159 Chapter 6 Using Decision Structures After completing this chapter, you will be able to: n Write conditional expressions. n U ...

160 Part II Programming Fundamentals has elapsed on the system clock. In these situations, the computer, not the user, triggers ...

Chapter 6 Using Decision Structures 161 Using Conditional Expressions One of the most useful tools for processing information in ...

162 Part II Programming Fundamentals in the program and take a course of action based on the result. In its simplest form, an If ...

Chapter 6 Using Decision Structures 163 Dim AdjustedIncome, TaxDue As Double AdjustedIncome = 50000 If AdjustedIncome <= 8375 ...

164 Part II Programming Fundamentals Validate users by using If... Then Start Visual Studio, and create a new Windows Forms App ...

Chapter 6 Using Decision Structures 165 Although you won’t use it now, take a moment to note the <Custom> option, which yo ...

166 Part II Programming Fundamentals Type abcd to test the input mask. Visual Basic prevents the letters from being displayed ...

Chapter 6 Using Decision Structures 167 Your code has prevented an unauthorized user from using the program, and you’ve learned ...

168 Part II Programming Fundamentals Add password protection by using the And operator Display the User Validation form, and th ...

Chapter 6 Using Decision Structures 169 Click OK to close the message box. Experiment with other values for the SSN and PIN. T ...

170 Part II Programming Fundamentals of an If statement makes logical sense—why should Visual Basic continue to evaluate the If ...

Chapter 6 Using Decision Structures 171 years old. This has been suggested as an interesting way of relating to dogs, since dogs ...

172 Part II Programming Fundamentals statements executed if value3 matches variable ... Case Else statements executed if no matc ...