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Each piece of data is passed in your process using an argument. Arguments serve like placeholders for the data you wish to pass into your process. You can name your arguments along with any valid variable name. While you create a procedure via either the Sub statement or the Function statement, parentheses have to be included after the name of the procedure. Any arguments are placed within these parentheses, separated by commas. For instance, in the following instance, fDegrees is a placeholder for the value being passed in the Celsius function for conversion:
Function Celsius(fDegrees)
Celsius = (fDegrees - 32) * 5 / 9
End Function
To get data out of a process, you have to use a Function. keep in mind, a Function procedure can return a value; a Sub procedure cannot.
VISUAL INTERFACE DESIGN Instead of the graphic nature of the program, only the visualness of the inter action is important. The program must not focus on the GUI. On the other
Benefits of Using DLLs: The dynamic linking has the following advantages which are as shown below: It saves memory and decreases the swapping. Many processes can use a s
DOCUMENT INTERFACES A SDI (Single document interface) and the MDI (Multiple document interfaces) are the document interfaces. The MDI based applications can have numerous ch
Message Routing: The system posts the messages to a first-in, first-out queue known as the message queue or it sends the messages directly to a window procedure. The Messages
The View: The view is used for visualising. For illustration, while performing word processing, the user works on a sequence of words which compose the text. If a user is perf
CLASS WIZARD The Class wizard shown in figure is a tool to handle the message handlers for objects, to define the member variables. Figure: Class Wizard
Illustration of GDI object CPen: 1. Generate a SDI application. And name it as gdipen. 2. Press ctrl (control key) and W altogether to invoke the class wizard. 3. Choose
what are the things that information system can do and their limitations?
Tab Order: The tab order stands for the order in which the controls receive focus when the user clicks the tab key. The CTRL + D can be used to set the tab order of controls.
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