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The Sub statement declares the name, arguments, and code that form the body of a Sub procedure.

This statement has the following form:

[Public [Default] | Private] Sub name [(arglist)]
   [Exit Sub] 
End Sub 
Parameter Description
Public (optional) A keyword that specifies that the constant is available to all procedures in all scripts
Default (optional) A keyword that is used only with the Public keyword in a Class block to indicate that the Sub procedure is the default method for the class.

An error occurs if more than one Default procedure is specified in a class.
Private (optional) A keyword that specifies that the constant is only available within the script where the declaration is made
name (required) Specifies the name of the sub

Note: name must follow the standard variable naming conventions
arglist Specifies a list of variables representing arguments that are passed to the Sub procedure when it is called

This argument has the following syntax and parts:
[ByVal | ByRefvarname[( )]

ByVal - Indicates that the argument is passed by value

ByRef - Indicates that the argument is passed by reference

(if both ByVal and ByRef are omitted, the default is ByRef)

varname - Specifies the name of the variable representing the argument; follows standard variable naming conventions

Note: Commas separate multiple variables
statements Any group of statements to be executed within the body of the Sub procedure


The following example shows the basic use of this statement:

DisplaySum 1, 2

Sub DisplaySum(value1, value2)
    Dim sum

    sum = value1 + value2

    MsgBox "The sum is: " & sum
End Sub

This produces the following result (each line in a separate pop-up message box):


Miscellaneous Information

Supported in Version: 1.0


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