Spread Windows Forms 7.0 Product Documentation
FindIndex<TTarget>(Predicate<TTarget>) Method
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GrapeCity.Win.PluginInputMan Assembly > GrapeCity.Win.Spread.InputMan.CellType Namespace > CollectionBase<T> Class > FindIndex Method : FindIndex<TTarget>(Predicate<TTarget>) Method

Visual Basic (Declaration)
Visual Basic (Usage)
C#

match: 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

Visual Basic (Declaration)
Public Overloads Function FindIndex(Of TTarget As T)( _ ByVal match As Predicate(Of TTarget) _ ) As Integer

Visual Basic (Usage)	Copy Code
Dim instance As CollectionBase(Of T) Dim match As Predicate(Of TTarget) Dim value As Integer value = instance.FindIndex(Of TTarget)(match)

C#
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

Exception	Description
System.ArgumentNullException	match 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