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Introduction to Visual Studio

Learn about the Visual Studio.NET platform and Visual Basic.NET programming environment. Create a simple application with buttons and event-driven code.

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Introduction to Visual Studio

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  1. Introduction to Visual Studio Visual Basic.Net

  2. Software to Install • Visual Studio 2005 Professional Edition (Requires Windows XP Pro) • MSDN Library for Visual Studio 2005 Available from MSDNAA

  3. What is Visual Basic.Net • 4th Generation Programming Environment / Development Language • Based on BASIC language • Beginners All-Purpose Symbolic Instructional Code • Most widely used tool for developing Windows Applications • Graphical User Interface (GUI) • Menus, Buttons, Icons to help the user • Full Object-Oriented Programming Language

  4. Visual Studio.NET • A platform that allows the development and deployment of desktop and web applications • Allows user choice of many .NET languages • May program in One of them • May create different parts of application in different languages • Visual Basic • C# (C Sharp) • C++ • J++ • Etc.

  5. Visual Studio.NET • Integrated Development Environment – allows the automation of many of the common programming tasks in one environment • Writing the code • Checking for Syntax (Language) errors • Compiling and Interpreting(Transferring to computer language) • Debugging (Fixing Run-time or Logic Errors) • Running the Application

  6. Using Visual Studio.NET

  7. Creating an Application • Select the “Create Project” option from the “Recent Projects” box on the Start Page

  8. Default Settings

  9. Design Window Toolbox Solution Explorer Properties Window

  10. Creating the Application Step 1: Add a Control to the Form Add a Button to the Form • Look in the Toolbox for the Button Control • Select the Button with the Mouse • Draw a Rectangle Region in the Design Window by holding the mouse button down • Release the mouse button to see your button • (Can also be added by double clicking on the button in the Toolbox)

  11. Creating the Application • Add a Second Button to the Form • Put it in the lower right corner • The project now contains a form with 2 button controls

  12. Setting Control Properties • Properties • Determine the Look and Feel (and sometimes behavior) of a Control • Set through the Properties Window • Properties Set for this Application • Name • Text

  13. Setting Control Properties • Click on the Control in the Design Window • Select the appropriate property in the Properties Window

  14. Control Name • Should be Meaningful • NOT button1, form1, textbox1 • Should begin with a 3 character prefix • Button  btn • Label  lbl • Textbox  txt • Set the name of button1 to btnWelcome • Set the name of button2 to btnExit

  15. Text Property • Determines the visible text on the control • Change the text property • bntWelcome  set to “Say Welcome” • btnExit  set to “Exit” • Do not need to include the “ “ in your text field • Notice how the buttons now display the new text

  16. Add the Code • To Make the GUI Functional • Open the Code Editor • F7 • Select View Menu then Code option • Double Click on the Control you are writing the code for

  17. Comments • Provide Documentation & Explanations • Begin with a ‘ (followed by an * for readability)

  18. Event Code (Procedures) • GUI programs are Event Driven • Event Procedures respond to events • Writing an Event Procedure • Double click on control from Design Window • Select Control & Event from drop down windows in Code Editor

  19. Select the Control for the Event Procedure • Select the btnWelcome control from the Form Controls List Box

  20. Select the Event for the Event Procedure • Select the Click event from the list of many available events • Buttons have 57 possible events they can respond to

  21. Event Procedure Stub • Beginning of Procedure is created for you • If you create stub by double clicking on control it will create a stub for the most commonly used event

  22. Event Procedure • Write the code that you want executed when the user clicks on the btnWelcome button • Type: MsgBox (“Welcome to Visual Basic”) • Must be contained within the Event Procedure Stub

  23. Writing Visual Basic Code • Not Case Sensitive • Visual Basic will “correct” case issues for you • Keywords are in Blue • Special reserved words • Comments in Green • Problems with Syntax (Language) will be underlined in blue

  24. Create an Event Procedure • Create an Event Procedure for the btnExit button • Have it display “Goodbye” in a MsgBox • Then “End” – this will terminate the program

  25. Switching to Design Window • You can switch between the Design Window and the Code Window (once opened) by clicking on the tabs at the top of the Design and Code Windows • Form1.vb(Design) is the design window • Form1.vb is the Code Window

  26. Running the Application • Click the Run Icon on the Standard Toolbar • Press F5 • This will begin the program • Display the Form/Window • Nothing will happen • Waiting on an Event

  27. Event Driven Program • Click on the “Say Welcome” button • The message box should display • Click on the “Exit” button • The message box should display • The application should terminate

  28. Save the Project • Make sure to save your work • SAVE ALL (not Save Form) • Visual Basic applications are made of several files - Often even several forms

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