Cookbook – VisualBasic.NET for Beginners – Chapter 30 : Option Infer

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Visual Basic .NET (VB.NET) is a programming language that is commonly used to create Windows desktop applications, as well as web and mobile applications. It is an updated version of the classic Visual Basic programming language, and it is part of the .NET framework, which is a set of tools and libraries that helps developers create applications more easily.

One of the features of VB.NET is the “Option Infer” statement. This statement is used to tell the compiler (the program that turns your code into an executable program) to automatically infer the data type of a variable, based on the value that is assigned to it.

Normally, when you create a variable in VB.NET, you need to specify the data type that the variable will hold, such as “Integer”, “String”, or “Boolean”. However, with the Option Infer statement, you can create a variable without specifying the data type, and the compiler will automatically determine the correct data type based on the value that is assigned to it.

For example, if you want to create a variable that will hold a number, you can simply write “Dim myVariable = 5” instead of “Dim myVariable as Integer = 5”.

Using the Option Infer statement can make your code more concise and easier to read, because you don’t have to specify the data type of every variable. However, it can also make your code less explicit, and it can make it harder for others to understand what your code is doing.

Additionally, it can be more prone to errors, because the compiler may not always infer the correct data type, and if you make a mistake in your code, it may not be immediately obvious.

In conclusion, the “Option Infer” statement in VB.NET is a useful feature that can make your code more concise and easier to read, but it also has its drawbacks, so it should be used with caution. It’s great for beginners to learn about this concept, but as they progress in their programming journey, they should weigh the pros and cons of this statement, and use it only when appropriate.


Cookbook – VisualBasic.NET for Beginners – Chapter 30 : Option Infer


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