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IsDefined Method
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ICustomAttributeProvider.IsDefined Method

Indicates whether one or more instance of attributeType is defined on this member.

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

bool IsDefined(
	Type attributeType,
	bool inherit
)

Parameters

attributeType
Type: System.Type

The type of the custom attributes.

inherit
Type: System.Boolean

When true, look up the hierarchy chain for the inherited custom attribute.

Return Value

Type: System.Boolean
true if the attributeType is defined on this member; false otherwise.

.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

.NET for Windows Phone apps

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