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ParamArray (Visual Basic)

Specifies that a procedure parameter takes an optional array of elements of the specified type. ParamArray can be used only on the last parameter of a parameter list.

ParamArray allows you to pass an arbitrary number of arguments to the procedure. A ParamArray parameter is always declared using ByVal (Visual Basic).

You can supply one or more arguments to a ParamArray parameter by passing an array of the appropriate data type, a comma-separated list of values, or nothing at all. For details, see "Calling a ParamArray" in Parameter Arrays (Visual Basic).

Security note Security Note

Whenever you deal with an array which can be indefinitely large, there is a risk of overrunning some internal capacity of your application. If you accept a parameter array from the calling code, you should test its length and take appropriate steps if it is too large for your application.

The ParamArray modifier can be used in these contexts:

Declare Statement

Function Statement (Visual Basic)

Property Statement

Sub Statement (Visual Basic)

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