MSDN Library

ExpandoObject.IDictionary<String, Object>.ContainsKey Method

Determines whether the dictionary contains the specified key.

Namespace:  System.Dynamic
Assemblies:   System.Dynamic.Runtime (in System.Dynamic.Runtime.dll)
  System.Core (in System.Core.dll)

bool IDictionary<string, Object>.ContainsKey(
	string key
)

Parameters

key
Type: System.String

The key to locate in the dictionary.

Return Value

Type: System.Boolean
true if the dictionary contains an element that has the specified key; otherwise, false.

Implements

IDictionary<TKey, TValue>.ContainsKey(TKey)

.NET Framework

Supported in: 4.6, 4.5, 4

.NET Framework Client Profile

Supported in: 4

.NET for Windows Phone apps

Supported in: Windows Phone 8.1, Windows Phone Silverlight 8.1, Windows Phone Silverlight 8

Portable Class Library

Supported in: Portable Class Library
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