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As

 A
Visual Basic .NET (VB .NET)

Syntaxe

Aggregate element [As type] In collection _
[, element2 [As type2] In collection2, [...]]
[ clause ] Into expressionList
[ attributelist ] [ accessmodifier ] [ Shadows ] [ Overloads ] _
Declare [ charsetmodifier ] [ Function ] name Lib "libname" _
[ Alias "aliasname" ] [ ([ parameterlist ]) ] [ As returntype ]
[ attrlist ] [ accessmodifier ] _
[ Shadows ] Delegate [ Sub | Function ] name [( Of typeparamlist )] [([ parameterlist ])] [ As type ]
[ attributelist ] [ accessmodifier ] [ Shadows ]
Enum enumerationname [ As datatype ]
memberlist
End Enum
[ attrlist ] [ accessmodifier ] _
[ Shared ] [ Shadows ] Event eventname As delegatename _
[ Implements implementslist ]
[ attrlist ] [ accessmodifier ] _
[ Shared ] [ Shadows ] Custom Event eventname As delegatename _
[ Implements implementslist ]
[ attrlist ] AddHandler(ByVal value As delegatename)
[ statements ]
End AddHandler
[ attrlist ] RemoveHandler(ByVal value As delegatename)
[ statements ]
End RemoveHandler
[ attrlist ] RaiseEvent(delegatesignature)
[ statements ]
End RaiseEvent
End Event
For counter [ As datatype ] = start To end [ Step step ]
[ statements ]
[ Continue For ]
[ statements ]
[ Exit For ]
[ statements ]
Next [ counter ]
From element [ As type ] In collection [ _ ]
[, element2 [ As type2 ] In collection2 [, ... ] ]
[ attributelist ] [ accessmodifier ] [ proceduremodifiers ] [ Shared ] [ Shadows ] [ Async | Iterator ]
Function name [ (Of typeparamlist) ] [ (parameterlist) ] [ As returntype ] [ Implements implementslist | Handles eventlist ]
[ statements ]
[ Exit Function ]
[ statements ]
End Function
Group Join element [As type] In collection _
On key1 Equals key2 [ And key3 Equals key4 [... ] ] _
Into expressionList
[ attrlist ] Public [ Overloads ] Shared [ Shadows ] [ Widening | Narrowing ]
Operator operatorsymbol ( operand1 [, operand2 ]) [ As [ attrlist ] type ]
[ statements ]
[ statements ]
Return returnvalue
[ statements ]
End Operator
[ attributelist ] [ Default ] [ accessmodifier ]
[ propertymodifiers ] [ Shared ] [ Shadows ] [ ReadOnly | WriteOnly ] [ Iterator ]
Property name ( [ parameterlist ] ) [ As returntype ] [ Implements implementslist ]
[ attributelist ] [ accessmodifier ] Get
[ statements ]
End Get
[ attributelist ] [ accessmodifier ] Set ( ByVal value As returntype [, parameterlist ] )
[ statements ]
End Set
End Property
[ attributelist ] [ Default ] [ accessmodifier ]
[ propertymodifiers ] [ Shared ] [ Shadows ] [ ReadOnly | WriteOnly ]
Property name ( [ parameterlist ] ) [ As returntype ] [ Implements implementslist ]
Try
[ tryStatements ]
[ Exit Try ]
[ Catch [ exception [ As type ] ] [ When expression ]
[ catchStatements ]
[ Exit Try ] ]
[ Catch ... ]
[ Finally
[ finallyStatements ] ]
End Try

Description

Ce mot réservé permet d'identifier un type de données dans une instruction de déclaration ou une liste de contraintes sur un paramètre de type générique.



Dernière mise à jour : Mardi, le 24 Août 2021