EnumerableExtensionsIndexOfT(IEnumerableT, FuncT, Boolean) Method
Searches for an element in the source enumeration where the specified predicate returns .
Namespace: KGySoft.CoreLibrariesAssembly: KGySoft.CoreLibraries (in KGySoft.CoreLibraries.dll) Version: 9.0.0
public static int IndexOf<T>(
this IEnumerable<T> source,
Func<T, bool> predicate
)
<ExtensionAttribute>
Public Shared Function IndexOf(Of T) (
source As IEnumerable(Of T),
predicate As Func(Of T, Boolean)
) As Integer
public:
[ExtensionAttribute]
generic<typename T>
static int IndexOf(
IEnumerable<T>^ source,
Func<T, bool>^ predicate
)
[<ExtensionAttribute>]
static member IndexOf :
source : IEnumerable<'T> *
predicate : Func<'T, bool> -> int
- source IEnumerableT
- The source enumeration to search.
- predicate FuncT, Boolean
- The predicate to use for the search.
- T
- The type of the elements in the enumeration..
Int32The index of the found element, or -1 if there was no match.In Visual Basic and C#, you can call this method as an instance method on any object of type
IEnumerableT. When you use instance method syntax to call this method, omit the first parameter. For more information, see
Extension Methods (Visual Basic) or
Extension Methods (C# Programming Guide).