If you declare a variable but fail to include any information for its data type, VBA will by default assign the variable a data type called Variant. The Variant data type changes its size based on the data placed inside. This sounds like the ideal data type, but in practice it ends up being the worst in . The idea is that any variable (or function argument or function result) that begins with one of these letters will be assigned the specified data type by default. For example, the DefInt keyword is used to set the default data type to Integer. If you want VBA to assign, say, the Integer data type to any variables that begin with the letters X. How to Declare a Variable. We need to use Dim or Dimension statement to declare a variable in VBA as shown below: Dim Variable Name> as Data Type>. Variable Name: Name of the variable which we want to declare, follow the following rules while choosing a variable .
Default variable type vbaThe default value is the default value of the individual elements. You create a user defined type using the Type statement. A type is a collection of variables (or . The following table shows the Visual Basic data types, their supporting If you are defining a class or structure and you need to control the. The Visual Basic compiler uses the Dim statement to determine the variable's You can specify any data type or the name of an enumeration. As a good coding practice, you should declare the data type of variables (or constants) when writing the code. Usually these end up being Variants but you can use DefXxx statements to alter default data types based on first letter of a variable name which is kind of weird. More precisely, if you don't declare the VBA data type for a particular variable, Visual Basic for Applications uses the default type. The default VBA data type is. Data Type or Subtype. Required Memory. Default Value. VBA Constant. Range. Integer. 2 bytes. 0. vbInteger. –32, to 32, Long Integer. This tutorial covers Excel VBA Variables, Data-Types, and Constant. You can either specify the scope as private by default or public. By declaring a variable for use in your code, you tell the Visual Basic compiler the variable's data type (type of value it represents viz. integer, decimal, text. Arrays of any data type require 20 bytes of memory plus 4 bytes for Have questions or feedback about Office VBA or this documentation?.
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