Argument Statement Summary

Argument is a terminal, declaration statement that occurs within method, accessor, and event statements. It declares a calling argument of its parent.

The attributes of the Argument statement are as follows:

Attribute	Description
Id	This attribute specifies the identifier of the argument. It must be unique in so far as the other arguments in the method are concerned. It is not case sensitive.
Type	This attribute is a Type attribute as discussed on the Declaration page. It specifies the type of the argument.
Status	This attribute is the Status attribute as discussed on the Declaration page. It specifies the various context flags to be associated with the argument.
Optional	This string attribute specifies that the argument is optional in calls to the method and what the default value should be used to replace the missing argument. Its possible settings are below.
NetName	This attribute is the identifier of the argument to be used when declaring or referring to it in the target language.
MigName	This attribute is identical to NetName. If both are used in the declaration the Migname takes precedence.
MigStatus	This attribute is a MigStatus attribute as discussed on the Declaration page. It contains generalized migration settings for the argument.
Changed	This is an On/Off flag attribute. The On setting sets the Changed context flag On. This means that in processing the source code the compiler determined that the value of the argument was being changed. This flag is later used in by the algorithm that assigns arguments ByVal calling status.
MigPattern	This string attribute associates a surface pattern string with code references to the argument. See the Patterns page for details on the content of pattern strings. It is equivalent to the All pattern.
CshPattern	This string attribute associates a surface pattern string with code references to the argument. See the Patterns page for details on the content of pattern strings. It is equivalent to the Csh pattern.
VbnPattern	This string attribute associates a surface pattern string with code references to the argument. See the Patterns page for details on the content of pattern strings. It is equivalent to the Vbn pattern.
Overload	This string attribute specifies a list of legacy platform types to be used in declaring overloads of the parent method for the argument.
Generic	This is an On/Off flag that specifies that the method should declare the parent method as using a generic type for the argument.

The Optional attribute can have the following entries:

Entry	Replacement value supplied
DEF.MissingZero	0
DEF.MinusOne	-1
DEF.MoveTop	0
DEF.MoveWidth	0
DEF.MoveHeight	0
DEF.TypeMissing	Type.Missing
DEF.Overload	no value supplied
DEF.EmptyString	String.Empty
DEF.NullObject	Nothing or null
RefZeroObj	ref objZero
DoubleQuote	""
DateTime	New DateTime(0) or DateTime.MinValue
Default	The zero initialization value of the type of the argument
string	string

The script errors associated with the Argument statement are as follows:

Error	Description
1135	Argument command missing required id attribute.
1136	Unable to store argument vector: %1d
1137	Argument command missing required type attribute.
1138	Argument status [%1d] is not defined.

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