Spread Windows Forms 8.0 Product Documentation
FindIndex<TTarget>(Predicate<TTarget>) Method


The Predicate delegate that defines the conditions of the element to search for.
Searches for an element that matches the conditions defined by the specified predicate, and returns the zero-based index of the first occurrence within the entire List.
Syntax
'Declaration
 
Public Overloads Function FindIndex(Of TTarget As T)( _
   ByVal match As Predicate(Of TTarget) _
) As Integer
'Usage
 
Dim instance As CollectionBase(Of T)
Dim match As Predicate(Of TTarget)
Dim value As Integer
 
value = instance.FindIndex(Of TTarget)(match)
public int FindIndex<TTarget>( 
   Predicate<TTarget> match
)
where TTarget: T

Parameters

match
The Predicate delegate that defines the conditions of the element to search for.

Type Parameters

TTarget

Return Value

The zero-based index of the first occurrence of an element that matches the conditions defined by match, if found; otherwise, false.
Exceptions
ExceptionDescription
System.ArgumentNullExceptionmatch is null.
Requirements

Target Platforms: Windows 2000 Professional (SP4), Windows 2000 Server, Windows 2003 Server (SP1), Windows 2008, Windows XP (SP2), Windows Vista, Windows 7, Windows 8

See Also

Reference

CollectionBase<T> Class
CollectionBase<T> Members
Overload List

 

 


Copyright © GrapeCity, inc. All rights reserved.