BinarySearch(Int32,Int32,T,IComparer<T>) Method

In This Topic

Searches for the index at which the item occurs by using a binary search. The search is performed only inside the specified list subrange. It is an user responsibility to first sort the list in ascending order.

Syntax

Visual Basic
C#

'Declaration
 
Public Overloads Function BinarySearch( _
   ByVal index As System.Integer, _
   ByVal count As System.Integer, _
   ByVal item As T, _
   ByVal comparer As System.Collections.Generic.IComparer(Of T) _
) As System.Integer

'Usage
 
Dim instance As NList(Of T)
Dim index As System.Integer
Dim count As System.Integer
Dim item As T
Dim comparer As System.Collections.Generic.IComparer(Of T)
Dim value As System.Integer
 
value = instance.BinarySearch(index, count, item, comparer)

public System.int BinarySearch( 
   System.int index,
   System.int count,
   T item,
   System.Collections.Generic.IComparer<T> comparer
)

Parameters

index: range start index
count: range lenght
item: item to look for
comparer: comparer to use

Requirements

Target Platforms: Windows 11, Windows 10, Windows 7, Windows Server 2019, Windows Server 2016, Windows Server 2012 R2, Windows Server 2012, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later)

Reference

NList<T> Class
NList<T> Members
Overload List

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