Posts Tagged Definire

How to: Define Interfaces in VB.NET

The interface is a set of definitions of properties, methods and events. Unlike classes [...], interfaces do not contain the implementation. Interfaces are implemented [...] by classes, but are defined as separate entities.
A class that implement an interface must implement all elements defined in that interface.
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How to: Define Delegates in VB.NET

The delegate is a pointer that allows the call of a function indirectly through its memory address. The delegate is used to call methods of other objects. It is similar to the function pointer used in other programming languages. The difference is that the delegate is a reference type on System.Delegate class.
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How to: Identify Characteristics of Events in VB.NET

The event is a message sent by an object and announces the application of production a fact.
Events are implemented using delegates [...].
For example, clicking a command button in a graphical interface causes the appearance of the event Click. The event is treated by a procedure.
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How to: Define and Use the Pointers Variables in C++

The pointer type variables allow the accessing of memory areas with numerical content for the management of the values which represent memory addresses. The dimension of a pointer variable depends on the processor architecture.
In the C++ programming language, the definition template of a pointer variable is:
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Definirea si utilizarea variabilelor de tip pointer in C++

Variabilele de tip pointer permit accesarea de zone de memorie cu continut numeric pentru gestionarea valorilor ce reprezinta adrese de memorie. Dimensiunea unei variabile pointer depinde de arhitectura procesorului.

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Definirea relatiilor intre tabelele unei baze de date in VB.NET

Se considera tabelul ANGAJATI cu structura definita la [...]. Tabelul este inclus intr-o baza de date construita in VB.NET la [...], avand denumirea Ang.
Definirea unei relatii intre tabelele bazei de date presupune existenta a cel putin doua tabele. In baza de date Angajati.sdf, se adauga tabelul AccessAng prin care se defineste tipul de acces la resursele materiale, financiare si informationale ale organizatiei.

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How to: Define and Access a Variable in VB.NET

A variable corresponds to a location of memory, which stores values when performing calculations.
Variables are used in calculations, comparisons. They have established a name in the source program, and accessing the value stored in memory location is achieved by variable name.
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Definirea enumerarilor in VB.NET

Enumerarile ofera un mod avantajos de lucru cu multimi de constante sau asocierea valorilor constante cu denumiri de constante. Enumerarile sunt tratate ca tipuri de date si sunt utilizate pentru a crea multimi de constante.
Avantaje ale utilizarii enumerarilor:

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Definirea procedurilor de tip proprietate in VB.NET

In VB.NET, procedura proprietate reprezinta secventa de cod sursa de manipulare a unei caracteristici intr-un modul [...], clasa de obiecte [...] sau structura [...].
VB.NET pune la dispozitie urmatoarele proceduri de tip proprietate:

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Definirea modulelor in VB.NET

Un modul reprezinta unul dintre elementele de programare care contin cod sursa ce urmeaza a fi compilat si executat. Un element similar de programare este clasa de obiecte [...]. Spre deosebire de modul, clasa de obiecte poate fi adaptata cerintelor particulare ale dezvoltatorilor prin implementarea mostenirii.
Modulul este implementat cu ajutorul specificatiilor Module si End Module.

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