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Type.IsClass Property

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

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

'Declaration
Public ReadOnly Property IsClass As Boolean

Property Value

Type: System.Boolean
true if the Type is a class; otherwise, false.

Implements

_Type.IsClass

This property returns true for value types even if they are boxed.

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

If the current Type represents a constructed generic type, this property returns true if the generic type definition is a class definition; that is, it does not define an interface or a 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.

NoteNote

This property returns true for Type instances that represent the Enum and ValueType classes. These two classes are the base types for enumerations and value types, respectively, but they are not enumerations or value types themselves. For more information, see the IsValueType and IsEnum properties.

This property is read-only.

The following example creates an instance of a type and indicates whether the type is a class.

Imports System
Imports System.Reflection
Imports Microsoft.VisualBasic

Public Class MyDemoClass
End Class 'MyDemoClass

Public Class MyTypeClass
    Public Shared Sub Main()
        Try 
            Dim myType As Type = GetType(MyDemoClass)
            ' Get and display the 'IsClass' property of the 'MyDemoClass' instance.
            Console.WriteLine(ControlChars.Cr + "Is the specified type a class? {0}.", myType.IsClass.ToString())
        Catch e As Exception
            Console.WriteLine(ControlChars.Cr + "An exception occurred: {0}.", e.Message.ToString())
        End Try 
    End Sub 'Main
End Class 'MyTypeClass

.NET Framework

Supported in: 4.6, 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

Supported in: Windows Phone 8.1

Supported in: Windows Phone Silverlight 8.1

Supported in: Windows Phone Silverlight 8

Windows Phone 8.1, Windows Phone 8, Windows 8.1, Windows Server 2012 R2, Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), 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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