JTPzr‖IsNull Function

Contents
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# zHiAW‖IsNull Function

sJ5h3‖Tests if a Variant contains the special Null value, indicating that the variable does not contain data.

wEXGL‖Returns True when an object variable is passed that does not refer to a valid object, such as a newly created object that has not yet been assigned or an object assigned to the Nothing literal.

## mLbEi‖Syntax:

    uCnAB‖IsNull (Var)

## gxdzG‖Return value:

Boolean

## 2r2f2‖Parameters:

xkDgS‖ Var: Any variable that you want to test. This function returns True if the Variant contains the Null value, or False if the Variant does not contain the Null value.

PLmaA‖ Null - This value is used for a variant data sub type without valid contents.

### SEjHR‖Error codes:

5 Invalid procedure call

## GzMnE‖Example:

    Sub ExampleIsNull
    Dim vVar As Variant
        MsgBox IsNull(vVar)
    End Sub

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