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IDictionary.IsReadOnly Property

Gets a value indicating whether the IDictionary object is read-only.

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

bool IsReadOnly { get; }

Property Value

Type: System.Boolean
true if the IDictionary object is read-only; otherwise, false.

A collection that is read-only does not allow the addition, removal, or modification of elements after the collection is created.

The following code example demonstrates how to implement the IsReadOnly property. This code example is part of a larger example provided for the IDictionary class.

public bool IsReadOnly { get { return false; } }

.NET Framework

Supported in: 4.6, 4.5, 4, 3.5, 3.0, 2.0, 1.1

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

XNA Framework

Supported in: 3.0, 2.0, 1.0

Portable Class Library

Supported in: Portable Class Library

Supported in: Windows Phone 8.1

Supported in: Windows Phone Silverlight 8.1

Supported in: Windows Phone Silverlight 8
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