NameValueCollection.GetKey(Int32) Method

Definition

Namespace:

System.Collections.Specialized

Assembly:

System.Collections.Specialized.dll

Source:

NameValueCollection.cs

Gets the key at the specified index of the NameValueCollection.

public:
 virtual System::String ^ GetKey(int index);

public virtual string? GetKey (int index);

abstract member GetKey : int -> string
override this.GetKey : int -> string

Public Overridable Function GetKey (index As Integer) As String

Parameters

index

Int32

The zero-based index of the key to get from the collection.

Returns

String

A String that contains the key at the specified index of the NameValueCollection, if found; otherwise, null.

Exceptions

ArgumentOutOfRangeException

index is outside the valid range of indexes for the collection.

Remarks

This method is an O(1) operation.

See also

• AllKeys