| Visual Basic (Declaration) | |
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<ExtensionAttribute()> Public Shared Function All( _ ByVal source As IQueryable, _ ByVal predicateDescription As IPredicateDescription _ ) As Boolean  | |
| Visual Basic (Usage) |  Copy Code | 
|---|---|
Dim source As IQueryable Dim predicateDescription As IPredicateDescription Dim value As Boolean value = QueryableExtensions.All(source, predicateDescription)  | |
| C# | |
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[ExtensionAttribute()] public static bool All( IQueryable source, IPredicateDescription predicateDescription )  | |
| C++/CLI | |
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[ExtensionAttribute()] public: static bool All( IQueryable^ source, IPredicateDescription^ predicateDescription )  | |
Parameters
- source
 - predicateDescription
 
Target Platforms: Windows 98, Windows NT 4.0, Windows Millennium Edition, Windows 2000, Windows XP Home Edition, Windows XP Professional, Windows Server 2003 family, Windows Vista, Windows Server 2008 family