What is variant type in VBA?
What is variant type in VBA?
A Variant is a special data type that can contain any kind of data except fixed-length String data. A Variant can also contain the special values Empty, Error, Nothing, and Null. You can determine how the data in a Variant is treated by using the VarType function or TypeName function.
How do I create a Variant in VBA?
VBA Variant Doesn’t Require Explicit Way The general procedure to declare a VBA variable is to first name the variable and then assign the data type to it. Below is an example of the same. This is the explicit way of declaring the variable.
What does dim as Variant mean in VBA?
word Dimension
Dim is short for the word Dimension and it allows you to declare variable names and their type. Dim is often found at the beginning of macro codes and has the following format: Dim [Insert Variable Name] as [Insert Variable Type]
Is Variant empty VBA?
A variant variable has the Empty value prior to it being assigned a value.
What is the difference between string and variant in VBA?
If you declare your variable as a String you get a String data type from both functions. If you declare your variable as a Variant you get a Variant/String data type from both functions.
What is the purpose of dim in VBA?
The Dim keyword is short for Dimension. It is used to declare variables in VBA. Declare means we are telling VBA about a variable we will use later.
Is null in VBA?
ISNULL is a built-in function in VBA and is categorized as an Information function in VBA which returns the result in Boolean type i.e. either TRUE or FALSE. If the testing value is “NULL” then it returns TRUE or else it will return FALSE.
How do you clear an array in VBA?
You need to use the “Erase” statement to clear an array in VBA. Add the keyword “Erase” before the name of the array that you want to clear but note that all the values will be reset from the array. In the following array, you have 3 elements and we have used the erase statement to erase all.
What is ReDim in VBA?
The ReDim statement is used to size or resize a dynamic array that has already been formally declared by using a Private, Public, or Dim statement with empty parentheses (without dimension subscripts). You can use the ReDim statement repeatedly to change the number of elements and dimensions in an array.
What are the disadvantages of using variant VBA?
Reason #1: Possible Misinterpretation Of Intended VBA Data Type When Using Variant VBA Data Type. According to Mastering VBA for Microsoft Office 2013, one of the disadvantages of using the Variant VBA data type is that VBA can misinterpret the data sub-type that you intended. This can lead to “rather obscure bugs”.
What do you call a range variable in VBA?
What is Range Variable in Excel VBA? Like every other variable Range in VBA, the variable is also a variable, but it’s an “Object Variable” we use to set the reference of the specific range of cells. Like any other variable, we can give any name to the variable, but the data type we assign to them should be a “Range.”
Which is the variant of the VBA variable exvar?
“ExVar = “1”” assigns 1 to the variable ExVar. Since ExVar hasn’t been declared, it is of the Variant VBA data type. “ExVar = ExVar + ExVar + ExVar” performs an operation. The + operator is applied to the variable ExVar.
When to use variant data type in Excel?
You can use the Variant data type in place of any data type to work with data in a more flexible way. If the contents of a Variant variable are digits, they may be either the string representation of the digits or their actual value, depending on the context.