BinarySearch(T,IComparer<T>) Method

In This Topic

Searches the entire sorted ListBase<T> for an element using the default comparer and returns the zero-based index of the element.

Syntax

Visual Basic
C#

'Declaration
 
Public Overloads Function BinarySearch( _
   ByVal item As T, _
   ByVal comparer As IComparer(Of T) _
) As Integer

'Usage
 
Dim instance As ListBase(Of T)
Dim item As T
Dim comparer As IComparer(Of T)
Dim value As Integer
 
value = instance.BinarySearch(item, comparer)

public int BinarySearch( 
   T item,
   IComparer<T> comparer
)

Parameters

item: The object to locate. The value can be null for reference types.
comparer: The IComparer implementation to use when comparing elements.

Return Value

The zero-based index of item in the sorted ListBase<T>, if item is found; otherwise, a negative number that is the bitwise complement of the index of the next element that is larger than item or, if there is no larger element, the bitwise complement of ListBase<T>.Count.

Reference

ListBase<T> Class
ListBase<T> Members
Overload List

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