| -api-id | -api-type |
|---|---|
M:Windows.Web.Http.Headers.HttpRequestHeaderCollection.Lookup(System.String) |
winrt method |
Finds an item in the HttpRequestHeaderCollection if it exists.
The key of the item to lookup.
The value, if an item with the specified key exists. Use the HasKey method to determine whether the key exists.
Use the HasKey method to determine whether the key exists in the HttpRequestHeaderCollection.