Spread WinForms 15
FarPoint.Win.Spread Assembly / FarPoint.Win.Spread Namespace / ListBase<T> Class / BinarySearch Method / BinarySearch(Int32,Int32,T,IComparer<T>) Method
The zero-based starting index of the range to search.
The length of the range to search.
The object to locate. The value can be null for reference types.
The IComparer implementation to use when comparing elements.


In This Topic
BinarySearch(Int32,Int32,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
'Declaration
 

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

Dim instance As ListBase(Of T)
Dim index As Integer
Dim count As Integer
Dim item As T
Dim comparer As IComparer(Of T)
Dim value As Integer
 
value = instance.BinarySearch(index, count, item, comparer)

Parameters

index
The zero-based starting index of the range to search.
count
The length of the range to search.
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.
See Also

Reference

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

 

 

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