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The scope of a variable is finding out by where you declare it. While you declare a variable in a procedure, only code in that procedure can access or alter the value of that variable. It contain local scope and is called a procedure-level variable. If you declare a variable outside a process, you make it visible to all the process in your script. It is script-level variable, and it contain script-level scope.
How long a variable exists describe its lifetime. The lifetime of script-level variable extends from the time this is declared till the time the script is finished running. At process level, a variable exists only as long as you are in the process. While the procedure exits, the variable is destroyed. Local variables are ideal like temporary storage space while a process is executing. You can have local variables of the similar name in many different procedures because each is identified only by the process in which it is declared.
INTRODUCTION to VISUAL C++ PROGRAMMING This section introduces you to develop the applications using VC++. The Single document interface (SDI), multiple document interface (MDI
Steps for Creating A MDI Form: 1. Build a new form and set IsMdiContainer property to true. 2. Build a child form class to add to the form. 3. Now Right click the proj
Just like normal objects Dictionary object also has definite properties. These properties can be set to any valid value & can be retrieved as and while required. Pr
write a detailed account on ADO.net architecture.
create an application that performs the following operation with the employee file created by the application in programming challenge 1: uses an open dialog box to allow the user
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
Mostly time, you just desire to assign a single value to a variable you have declared. A variable having a single value is a scalar variable. At other times, this is convenient to
Accelerators: The Accelerators are short cut keys. The Accelerators are formed by placing an ampersand before any of the characters of the Caption. As a product the letter fol
THE MFC CLASSES The CDocument, CWinAppCFrameWnd and CView are derived from the CObject and they give the majority of the structure and functionality.
Event-Driven Programming: The Event-driven programming allows the program to react to various inputs or events. The action on a graphical component is an event. For il
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