Determines whether the current instance contains an entry with the specified key.
public bool ContainsKey (TKey key)
Parameters
- key
- The key to locate in the current instance.
Returns
true if the current instance contains an entry with the key; otherwise, false.
Remarks
Implementations can vary in how they determine equality of objects.
Requirements
Namespace: System.Collections.Generic
Assembly: mscorlib (in mscorlib.dll)
Assembly Versions: 2.0.0.0
Since: .NET 2.0