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visual basic
INTRODUCTION TO VISUAL BASIC
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Visual Basic is one of many programming languages that can be found today. This arises from the language BASIC (Beginner's All-purpose Symbolic Instruction Code) was created in its 
original version in the Dartmouth College, for the purpose of serving those people who were interested in initiating some programming language. After suffering several amendments in 1978 established the standard BASIC. The simplicity of language won the contempt for advanced programmers as "a language for beginners."
First it was GW-BASIC, Quick BASIC is then transformed into what is now known as Visual Basic and the latest version is 6, which is included in the package of Microsoft Visual Studio 6. This version combines the simplicity of BASIC with a powerful programming language Visual together to develop robust programs for 32-bit Windows. This fusion of simplicity and aesthetics extend much further Microsoft's monopoly, since the language is only compatible with Windows, an operating system of the same company.
Visual Basic is no longer "a language for beginners but is a perfect choice for programmers of all levels who wish to develop applications compatible with Windows.
In this report we explain some terms and / or characteristics of the same order to learn more about this program and handle it with ease
1. Of explaining the basics of programming:
1. What is Visual Basic?
It is a programming language that is designed to facilitate the development of applications in a graphical environment (GUI-Graphical User Interface) like Windows 98, Windows NT or higher.
2. Features of Visual Basic.
Designer data environment: It is possible to generate, automatically, between controls and data connectivity through the action of drag and drop on forms or reports.
The active objects are a new technology for data access through the action of drag and drop on forms or reports. Form Wizard: Allows you to automatically generate forms to manage records in tables or queries from a database, spreadsheet or object (ADO, Active Data Object)
Wizard toolbar is feasible to include toolbars is feasible to include custom toolbar, where the user selects the buttons to be displayed during the execution.
Applications in HTML: directions are combined with Visual Basic HTML code to control events that are performed frequently on a webpage. The Data View Window provides access to the structure of a database. Since this also access the Query Designer and designer of database management and records.
3. List and explain the environment of Visual Basic.
-Title bar displays the name of the project and the form is being designed now q
-Menu Bar: Menu includes off containing all the operations that can be done with Visual Basic 6.0.
-Standard toolbar contain buttons that are used most often when working with a project. Simplifies the choice of menu options File, Edit, View and Run, and it shows in the right location (coordinates) and size of the selected object Window form is the area where the graphical interface is designed, ie, where elected inserted graphics, buttons, images, checkboxes, list boxes, etc..
-Toolbox: presents all controls necessary to design an application, such as text boxes, labels, list boxes, command buttons, etc..
-Project window displays the items involved in the project, such as forms, modules, controls oxc, etc..Each item can be selected independently for editing.
-Window position of the form shows the location that will form on the screen when running the application. This location can be changed if you click with the left mouse button.
-The Properties window displays all the properties of the currently selected control, in this case shows the properties of Form1, then we can see below that says "Form1 Form", which is in bold is the name of the object, and what remains is the type of object, in this case is a form
Pdf file
Description:
PDF
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Portable Document Format
Extension archivo.pdf
Type MIMEapplication / pdf
Developed by Adobe Systems
Formatode storage format
PDF (English acronym Portable Document Format, Portable Document Format) is a document storage format developed by Adobe Systems. This format is a composite (vector image, bitmap and text). It is specially designed for documents that could be printed, since all the information necessary for the final presentation of the document, identifying all the details of how it's going to be, not requiring adjustment of previous processes and layout. Is increasingly being used as specification viewing, thanks to the high quality of the sources used and the facilities for the handling of the document, such as search, hyperlinks, etc..
The PDF file format which means portable document format (in English Portable Document File) is the standard for document distribution and electronic forms. It is a universal file format that keeps the fonts, images, paragraphs and graphics with the look of the source document, regardless of the application and operating system that was used to create it.
Features:It is multiplatform, it may be presented by the major operating systems (Windows, Unix / Linux or Mac), without modifying either the structure or appearance of the original document.
You can integrate any combination of text, graphics, pictures and even music.
It is one of the most common formats for the exchange of documents. So it is widely used by businesses, governments and educational institutions.
It is an open specification for which they have created free software tools that allow you to create, view or modify documents in PDF format. One example is the office suite OpenOffice.org and LaTeX word processor.
Can be put to protect their content and even digitally sign it.
The PDF file can be created from multiple applications by exporting the file, such as OpenOffice.org and programs can also do with Service Pack 2 (SP2) of Office 2007 Microsoft Office Suite, Microsoft announced to release for some time the first half of 2009 [1].
Is the ISO standard (ISO 19005-1:2005) files to containers of electronic documents in order to preserve long-term [2].
What do I need to view PDF files?
These files are displayed using a freeware product called Adobe ® Acrobat Reader. With this product you can zoom in to see more clearly the contents and print the page designed to respect it. The archives of this site can be viewed from the Adobe ® Acrobat Reader version 3 you
How to open PDF files without installing Adobe Reader
Find other articles related to How to open PDF files without installing Adobe Reader software in our section
The PDF file format is now one of the most popular, but the original file viewer (Adobe Reader) is a program of significant size and which often requires many resources of our PC. Alternatively we have a file viewer with more light and the basic functions provided by the people of PDF2EXE. This program is compatible with Windows Vista, XP, 2000, 2003 and Windows Server 2008. For more information about it can enter its official website.
Advantage
The main advantage of PDF files that appear when printed on paper as seen on screen. Whenever there is a version of a PDF document we recommend that you use to switch to paper. You can also use it to read. Adjust font size in the most desirable (usually 125%).
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