OrderedHashtable.Contains(Object) Method  
Definition
Important
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Determines whether the hashtable contains a specific key.
public override bool Contains(object key);
	override this.Contains : obj -> bool
	Public Overrides Function Contains (key As Object) As Boolean
	Parameters
- key
 - Object
 
The key to locate in the hashtable.
Returns
true if the hashtable contains an element with the specified key; otherwise, false.