Type.IsInterface Property

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.NET Framework Class Library

Type.IsInterface Property

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Gets a value indicating whether the Type is an interface; that is, not a class or a value type.

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

public bool IsInterface { get; }

Property Value

Type: System.Boolean
true if the Type is an interface; otherwise, false.

Implements

_Type.IsInterface

The ClassSemanticsMask distinguishes a type declaration as class, interface or value type.

If the current Type represents a type parameter in the definition of a generic type or generic method, this property always returns false.

This property is read-only.

The following example creates an interface, checks for the interface type, and indicates whether a class has the IsInterface property set.


using System;
// Declare an interface.
interface myIFace
{
}
class MyIsInterface 
{
    public static void Main(string []args)
    {
        try
        {
            // Get the IsInterface attribute for myIFace.
            bool myBool1 = typeof(myIFace).IsInterface;    
            //Display the IsInterface attribute for myIFace.
            Console.WriteLine("Is the specified type an interface? {0}.", myBool1);
            // Get the attribute IsInterface for MyIsInterface.
            bool myBool2 = typeof(MyIsInterface).IsInterface;    
            //Display the IsInterface attribute for MyIsInterface.
            Console.WriteLine("Is the specified type an interface? {0}.", myBool2);         
        }
        catch(Exception e)
        {
            Console.WriteLine("\nAn exception occurred: {0}.", e.Message);
        }
    }
}


.NET Framework

Supported in: 4.5, 4, 3.5, 3.0, 2.0, 1.1, 1.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Portable Class Library

Supported in: Portable Class Library

Windows 8 Release Preview, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 SP2, Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)

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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