Determines whether the current instance contains an entry with the specified key.
Parameters
- key
- The key to locate in the IDictionary.
Returns
true if the IDictionary contains an entry with the key; otherwise, false.
Exceptions
Type Reason ArgumentNullException key is null.
Remarks
Operation
As described above.
Requirements
Namespace: System.Collections
Assembly: mscorlib (in mscorlib.dll)
Assembly Versions: 1.0.5000.0, 2.0.0.0