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Attribute.IsDefaultAttribute Method

When overridden in a derived class, indicates whether the value of this instance is the default value for the derived class.

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

abstract IsDefaultAttribute : unit -> bool 
override IsDefaultAttribute : unit -> bool 

Return Value

Type: System.Boolean
true if this instance is the default attribute for the class; otherwise, false.

The default implementation of this class returns false, and must be implemented in the derived class to be useful to that class.

The implementation of this method in a derived class compares the value of this instance to a standard default value, then returns a Boolean value that indicates whether the value of this instance is equal to the standard value. The standard value is typically coded as a constant in the implementation, or stored programmatically in a field used by the implementation.

The following code example illustrates the use of IsDefaultAttribute.

No code example is currently available or this language may not be supported.

.NET Framework

Supported in: 4, 3.5, 3.0, 2.0, 1.1, 1.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows XP SP2 x64 Edition, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.

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