function in VBA (Visual Basic for Applications) is used to determine if a variable is an object type. The purpose of the IsObject
function is to avoid run-time errors that might occur if you try to perform an object-specific operation on a non-object.
Here is how you can use the IsObject
function in VBA:
1. Open the VBA editor by pressing ALT+F11
in Excel, Word, or any other VBA-hosting application.
2. Insert a new module or use an existing one to write your VBA code.
3. Type a subroutine or function, where you would like to check if a variable is an object. Example:
Dim potentiallyAnObject As Variant
Dim regularVariable As Integer
' Assign a new Collection (which is an object) to the variant
Set potentiallyAnObject = New Collection
' Check if potentiallyAnObject is an Object
If IsObject(potentiallyAnObject) Then
MsgBox "potentiallyAnObject is an object"
MsgBox "potentiallyAnObject is not an object"
' regularVariable is not an object, it's an integer
regularVariable = 10
If Not IsObject(regularVariable) Then
MsgBox "regularVariable is not an object"
What is happening here:
We declare two variables, potentiallyAnObject
which can hold both object and non-object types and regularVariable
which can hold numbers.
We create a New Collection
(a collection is a type of object in VBA) and assign it to the potentiallyAnObject
We then use IsObject
to check if potentiallyAnObject
is indeed an object. Since we have assigned a Collection
object to it, the message box will confirm that it is an object.
For the regularVariable
, which is not an object, IsObject
will return False
You can call the subroutine CheckIfObject
by pressing F5
while in the editor or by attaching it to a button or event in your application.
Remember that IsObject
only checks if the variable is an object; it does not verify the type of the object. If you need to ensure that an object is of a specific type, you would need to use TypeName
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