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NameValueCollection::HasKeys Method ()

 

Gets a value indicating whether the NameValueCollection contains keys that are not null.

Namespace:   System.Collections.Specialized
Assembly:  System (in System.dll)

public:
bool HasKeys()

Return Value

Type: System::Boolean

true if the NameValueCollection contains keys that are not null; otherwise, false.

This method is an O(1) operation.

Universal Windows Platform
Available since 10
.NET Framework
Available since 1.1
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