Setting The Properties Of Controls

Computer II: Programming with Visual Basic 6

SETTING THE PROPERTIES

Outline  Name

Property  Convention for Naming Controls  Common Control Properties  Setting the Control Properties

Name Property  Most

important property of a control  Returns the name used in the code to identify an object

Conventions for Naming Controls  Starts

with a three-letter prefix  Keep it short (use shortened form if possible)  Descriptive of the function of the control  Don’t use any spaces (use underscore instead)  Mix small and capital letters

Prefixes for Common Controls

 Form

– frm  Label – lbl 

Command Button – cmd

 Textbox

– txt  Check box – chk  Combo box – cbo  Image – img  Picture Box – pic  Option Button – opt  List box - lst

Example lblMen u txtInp ut

cmdEqu al

Common Control Properties

 Back

Color – sets the background color  Border Style - sets the style of the border for an object  Caption – sets the text to be displayed  Enabled – sets a value that determines whether an object can respond to user generated events

Common Control Properties

 Font

– sets the Font size and style of an object  Fore Color – sets the color of the text  Picture – sets a graphic to be displayed in a control  Text – sets the text to be displayed on a text box (equivalent of the caption)

Setting the Property (Design Time)  Select

the object  Go to the properties window  Look for the property you want to modify on the left column  Modify the settings on the right column

Hands On  Open

your Hands On 1 folder  Open prjCalculator  Change the name property of the controls