Shulou(Shulou.com)06/03 Report--

Today, I will talk to you about how to use the mid function in VB. Many people may not know much about it. In order to make you understand better, the editor has summarized the following for you. I hope you can get something according to this article.

The function of mid in VB is to truncate m characters from the nth character of a string, its syntax is "Mid (string,start [, length])", its parameter string is a string expression, the parameter start is the character position of the extracted part in string, and the parameter length is the intercepted length.

VB what?

Visual Basic (VB for short) is a general object-based programming language developed by Microsoft. It is a structured, modular, object-oriented visual programming language with event-driven mechanisms that assist the development environment. Is a language that can be used for Microsoft's own product development.

"Visual" refers to the method of developing a graphical user interface (GUI)-- you don't need to write a lot of code to describe the appearance and location of the interface elements, but simply add the pre-established objects to a point on the screen. "Basic" refers to BASIC (Beginners All-Purpose Symbolic Instruction Code) language, which is the most widely used language in the history of computing technology.

Visual Basic is derived from the BASIC programming language. VB has a graphical user interface (GUI) and rapid application development (RAD) system that can easily connect to databases using DAO, RDO, ADO, or easily create Active X controls for efficient generation of type-safe and object-oriented applications. Programmers can easily use the components provided by VB to quickly build an application.

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