Type.IsClass Property

[ This article is for Windows Phone 8 developers. If you’re developing for Windows 10, see the latest documentation. ]

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)

Syntax

Public ReadOnly Property IsClass As Boolean
public bool IsClass { get; }

Property Value

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

Remarks

This property returns true for Type instances representing Enum and ValueType.

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.

This property is read-only.

Examples

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

Imports System.Reflection

Public Class MyDemoClass
End Class 'MyDemoClass

Public Class Example
   Public Shared Sub Demo(ByVal outputBlock As System.Windows.Controls.TextBlock)
      Try
         Dim myType As Type = GetType(MyDemoClass)
         ' Get and display the 'IsClass' property of the 'MyDemoClass' instance.
         outputBlock.Text += String.Format(ControlChars.Cr + "Is the specified type a class? {0}.", myType.IsClass.ToString()) & vbCrLf
      Catch e As Exception
         outputBlock.Text += String.Format(ControlChars.Cr + "An exception occurred: {0}.", e.Message.ToString()) & vbCrLf
      End Try
   End Sub 'Main
End Class 'MyTypeClass
using System;
using System.Reflection;

public class MyDemoClass
{
}

public class Example
{
   public static void Demo(System.Windows.Controls.TextBlock outputBlock)
   {
      try
      {
         Type myType = typeof(MyDemoClass);
         // Get and display the 'IsClass' property of the 'MyDemoClass' instance.
         outputBlock.Text += String.Format("\nIs the specified type a class? {0}.", myType.IsClass) + "\n";
      }
      catch (Exception e)
      {
         outputBlock.Text += String.Format("\nAn exception occurred: {0}.", e.Message) + "\n";
      }
   }
}

Version Information

Windows Phone OS

Supported in: 8.1, 8.0, 7.1, 7.0

Platforms

Windows Phone

See Also

Reference

Type Class

System Namespace

TypeAttributes

IsInterface

IsValueType