Visual Basic

Visual Basic

1. Form

   • The form is the first object or control that is displayed in Visual Basic and constitutes the screen or window over which other objects or controls are placed such as labels, text controls, buttons, etc. and of course the necessary code of our programs, therefore will constitute the User Interface. http://vb2elisaqf.blogspot.com/2011/10/formularios-propiedades-eventos-y.html
     • http://vb2elisaqf.blogspot.com/2011/10/formularios-propiedades-eventos-y.html

2. Tool box

   • Displays the standard Visual Basic controls, in addition to the ActiveX controls and plug-ins that you have added to your project. To customize the toolbox, you can add pages or add controls by using the additional controls command in the tools menu. When you add a page, a Select Objects tool is always available on the page. https://docs.microsoft.com/es-es/office/vba/language/reference/user-interface-help/toolbox
     • https://docs.microsoft.com/es-es/office/vba/language/reference/user-interface-help/toolbox

3. Controls

   • These controls are located within the Visual Basic executable file. Intrinsic controls are always included in the toolbox, not like Activex controls, which can be removed or added to the toolbox. Below is a list of intrinsic controls. http://masalladevisualbasic.galeon.com/controles.html
     • http://masalladevisualbasic.galeon.com/controles.html
     • CommandButton
       • Execute a command or an action when the user clicks on it.
         • http://masalladevisualbasic.galeon.com/controles.html
     • DriveListBox
       • Presents a list of valid disk drives.
         • http://masalladevisualbasic.galeon.com/controles.html
     • Data
       • It allows to connect an existing database and present information in it in the forms.
         • http://masalladevisualbasic.galeon.com/controles.html
     • FileListBox
       • Presents a list of files.
         • http://masalladevisualbasic.galeon.com/controles.html
     • HScrollBar y VScrollBar
       • Allows a user to add scroll bars to controls that do not have them automatically.
         • http://masalladevisualbasic.galeon.com/controles.html
     • Frame
       • Provides a visual and functional container for controls.
         • http://masalladevisualbasic.galeon.com/controles.html
     • Image
       • It presents bitmaps, icons or Windows metafiles, JPEG or GIF files, and acts as a command button when clicked.
         • http://masalladevisualbasic.galeon.com/controles.html
     • Checkbox
       • Presents a True or False type option.
         • http://masalladevisualbasic.galeon.com/controles.html
     • DirListBox
       • Presents directories and access routes.
         • http://masalladevisualbasic.galeon.com/controles.html
     • ComboBox
       • Combine a text box and a list box
         • http://masalladevisualbasic.galeon.com/controles.html

4. Properties of objects

   • Objects are the basis of Microsoft Visual Basic; almost everything that is done in Visual Basic involves the modification of objects. All Microsoft Word elements (such as documents, tables, paragraphs, bookmarks, and fields) can be represented with Visual Basic objects.
     • https://docs.microsoft.com/es-es/office/vba/word/concepts/objects-properties-methods/understanding-objects-properties-and-methods
     • A property is an attribute of an object or an aspect of its behavior. For example, the properties of a document include the name, content, and status with which it is saved, as well as whether change control is enabled. To change the characteristics of an object, the values ​​of its properties are changed. To set the value of a property, behind the reference to an object write a point, the name of the property, an equal sign and the new value of the property
       • https://docs.microsoft.com/es-es/office/vba/word/concepts/objects-properties-methods/understanding-objects-properties-and-methods

5. Control structures

   • In the Control Structures the order of a program is according to certain conditions, allowing it to develop in a non-linear way and being able to make decisions. The IF-Then-Else structure executes the instructions conditionally: If [(if) a condition is met] Then (then) there will be a certain action otherwise there will be no action.
     • http://visualbasic.ar.tripod.com/estdecontrol.html

6. Type of data.

   • The data type of a programming element refers to the type of data it can contain and how it stores the data. The data types are applied to all values ​​that can be stored in the computer's memory or participate in the evaluation of an expression. Each variable, literal, constant, enumeration, property, procedure parameter, procedure argument, and return value of a procedure has a data type.
     • https://docs.microsoft.com/es-es/dotnet/visual-basic/programming-guide/language-features/data-types/
     • Variable
     • Literal
     • Procedure parameter
     • Argument of procedure
     • Return value of a procedure