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HttpContentHeaderCollection.Lookup(String) Method

Definition

Finds an item in the HttpContentHeaderCollection if it exists.

public:
 virtual Platform::String ^ Lookup(Platform::String ^ key) = IMap<Platform::String ^, Platform::String ^>::Lookup;
winrt::hstring Lookup(winrt::hstring const& key);
public string Lookup(string key);
function lookup(key)
Public Function Lookup (key As String) As String

Parameters

key
String

Platform::String

winrt::hstring

The key of the item to lookup.

Returns

String

Platform::String

winrt::hstring

The value, if an item with the specified key exists. Use the HasKey method to determine whether the key exists.

Implements

Remarks

Use the HasKey method to determine whether the key exists in the HttpContentHeaderCollection.

Applies to

See also