Excel VBA Boolean Operator
Excel VBA Boolean is a kind of data type that holds either TRUE or FALSE. In VBA or Excel, TRUE and FALSE are logical values. Just remember that IF condition in excel it works based on these two results. IF condition tests the condition we supply and returns TRUE if the logical test is TRUE and if the logical test is FALSE it will return FALSE.
As I told Boolean data type can hold either TRUE or FALSE as the data but it can also hold number 1 as TRUE and number 0 as FALSE. So, TRUE is represented by 1 and FALSE is represented by 0. When we declare the variable as BOOLEAN it occupies 2 bytes of computer memory.
Working with Boolean Data Type in VBA Programming Language
Now let’s see the example of setting Boolean Operator values to variables using the VBA Code.
Follow the below steps to have a fair bit of knowledge on Boolean data types in VBA.
Step 1: First start the sub procedure by naming the macro name.
Sub Boolean_Example1() End Sub
Step 2: Declare the variable as BOOLEAN.
Sub Boolean_Example1() Dim MyResult As Boolean End Sub
Step 3: Now for the variable “MyResult” apply the simple logical test as 25 > 20.
Sub Boolean_Example1() Dim MyResult As Boolean MyResult = 25 > 20 End Sub
Step 4: Now show the result in a message box in VBA.
Sub Boolean_Example1() Dim MyResult As Boolean MyResult = 25 > 20 MsgBox MyResult End Sub
Now run the excel macro through F5 key or manually and see the result.
Ok, we got the result as TRUE because number 25 is greater than the number 20, so logical test is correct and the result is TRUE.
This is the basic structure of VBA Boolean Datatypes.
Boolean Data Type Cannot Hold Other than TRUE or FALSE
VBA Boolean is a logical data type it holds TURE or FALSE. Anything other than TRUE or FALSE will show an error message as “Type Mismatch” in VBA.
For an example look at the below code.
Sub Boolean_Example2() Dim BooleanResult As Boolean BooleanResult = "Hello" MsgBox BooleanResult End Sub
In the above code, I have declared the variable “BooleanResult” as Boolean.
Dim BooleanResult As Boolean
In the next line, I have assigned the value to the declared variable as “Hello”.
BooleanResult = "Hello"
I have declared the variable as Boolean but I have assigned the value as “Hello” which is other than logical values i.e. either TRUE or FALSE.
When I run this code using F5 key or manually, I will get the type mismatch error because of data type mismatch value.
All the Numbers are TRUE and Zero is FALSE
As I told TRUE is represented by number 1 and FALSE is represented by 0. For an example look at the below code in VBA.
Sub Boolean_Example3() Dim BooleanResult As Boolean BooleanResult = 1 MsgBox BooleanResult End Sub
I have assigned the value to the variable as 1 and this will show the result as TRUE.
Now, look at the below code.
Sub Boolean_Example3() Dim BooleanResult As Boolean BooleanResult = 0 MsgBox BooleanResult End Sub
In this code, I have assigned the value to the variable as 0 and this will show the result as FALSE.
Not only 1 or 0 we, but any number assigned to the variable except zero is also treated as TRUE and only zero will be treated as 1.
VBA Boolean Operator with IF Condition
Since Boolean data type can hold only logical values it is best suited to use with IF condition in VBA.
Sub Boolean_Example2() Dim Number1 As Integer Dim Number2 As Integer Number1 = 80 Number2 = 75 If Number1 >= Number2 Then MsgBox True Else MsgBox False End If End Sub
Like this, we can use Excel VBA Boolean data types to store the results as either TRUE or FALSE.
This has been a guide to VBA Boolean Operator. Here we learn how to use Boolean Data type in Excel VBA which gives the logical output i.e TRUE or FALSE along with examples & downloadable templates. Below are some useful articles related to VBA –
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