List(T).FindIndex Method (Predicate(T))

ListTFindIndex Method (PredicateT)

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 ListT.

Namespace: System.Collections.Generic
Assembly: mscorlib (in mscorlib.dll) Version: 4.0.0.0

Syntax

Copy

public int FindIndex(
	Predicate<T> match
)

Parameters

match: Type: SystemPredicateT
The PredicateT delegate that defines the conditions of the element to search for.

Return Value

Type: Int32
The zero-based index of the first occurrence of an element that matches the conditions defined by match, if found; otherwise, –1.

Exceptions

Exception	Condition
ArgumentNullException	match is null.

Reference

ListT Class

FindIndex Overload

System.Collections.Generic Namespace