tutorial 11 five windows included in the visual basic startup screen main form toolbox project...
TRANSCRIPT
Tutorial 1 1
Five windows included in the Visual Basic Startup Screen
Main
Form
Toolbox
Project Explorer (Project)
Properties
Tutorial 1 2
Visual Basic startup screen
Tutorial 1 3
Project and Properties Windows
Tutorial 1 4
Caption vs Name Property
Caption property
Controls the text seen by the user
Name property
Assigns a name to an object
Used by the programmer to refer to an object in code
Tutorial 1 5
Name Property
Must begin with a letter
Can contain letters, numbers, and the underscore character only
Must not contain punctuation characters or spaces
Must not exceed 40 characters
Use the three-character IDs shown in Figure 1-10
Tutorial 1 6
Saving a Project
Click the Save Project button on the Standard toolbar. Provide a name for the form and the project
You also can use the Save <filename> As and Save Project As commands on the File menu. However, be sure to save the form before saving the project
Tutorial 1 7
Starting and Ending a Project
To start a project: Click the Start button on the Standard toolbar. You also can press F5 or use the Start command on the Run menu
To end a project: Click the End button on the Standard toolbar. You also can use the End command on the Run menu
Tutorial 1 8
Opening a Project
To open a new project, use the File menu’s New Project command
To open an existing project, click the Open Project button on the Standard toolbar. You also can use the Open Project command on the File menu, or the Ctrl+O key combination
Tutorial 1 9
Getting Help
Use the Help menu’s Contents, Index, or Search commands
Click the object, window, property, and so on for which you want help, then press the F1 key
Tutorial 1 10
MSDN Library Visual Studio 6.0
Tutorial 1 11
Caption Property’s Help Screen
Tutorial 1 12
Default-size label control added to the form
Tutorial 1 13
Classes and Objects
Each tool in the toolbox represents a
class, which is a pattern from which one
or more objects, called controls, are
created
Each control you create is an instance of
the class from which it was created
Tutorial 1 14
Sizing, Moving, and Deleting Controls
You can size, move, and delete a
control, as well as set its properties
Before you can delete a control, the control
must be selected and the form must be the
active window
Tutorial 1 15
Selecting More Than One Control
You can change a property for more than one control at a time
Click the first control you want to select, then Ctrl-Click the remaining controls
Use the mouse pointer selection method
Tutorial 1 16
Open Code Window
Tutorial 1 17
Listing of Properties and Methods
Tutorial 1 18
Editor Tab in the Options Dialog Box
Tutorial 1 19
Printing an Application
Tutorial 1 20
Making an Executable File
Visual Basic’s compiler translates the
application’s code into machine code
The machine code is stored in a file with
a .exe extension on its name
Tutorial 1 21
Debugging Technique
Print the application’s properties (Form As Text) and code
In the properties printout, look for a property that is not set correctly
In the code printout, look for an instruction that is either in the wrong object’s Code window or in the wrong event procedure