Type.IsPointer Property

Gets a value indicating whether the Type is a pointer.

Property Value

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

Imports System.Reflection
Public Class MyTypeDelegator
 Inherits TypeDelegator
 Public myElementType As String = Nothing
 Private myType As Type = Nothing
 Public Sub New(ByVal myType As Type)
 MyBase.New(myType)
 Me.myType = myType
 End Sub 'New
 ' Override Type.HasElementTypeImpl().
 Protected Overrides Function HasElementTypeImpl() As Boolean
 ' Determine whether the type is an array.
 If myType.IsArray Then
 myElementType = "array"
 Return True
 End If
 ' Determine whether the type is a reference.
 If myType.IsByRef Then
 myElementType = "reference"
 Return True
 End If
 ' Determine whether the type is a pointer.
 If myType.IsPointer Then
 myElementType = "pointer"
 Return True
 End If
 ' The type is not a reference, array, or pointer type.
 Return False
 End Function 'HasElementTypeImpl
End Class 'MyTypeDelegator
Public Class Example
 Public Shared Sub Demo(ByVal outputBlock As System.Windows.Controls.TextBlock)
 Try
 Dim myInt As Integer = 0
 Dim myArray(4) As Integer
 Dim myType As New MyTypeDelegator(myArray.GetType())
 outputBlock.Text &= ControlChars.NewLine + "Determine whether a variable refers to an array or pointer or reference type." + ControlChars.NewLine & vbCrLf
 ' Determine whether myType is an array, pointer, reference type. 
 If myType.HasElementType Then
 outputBlock.Text += String.Format("The type of myArray is {0}.", myType.myElementType.ToString()) & vbCrLf
 Else
 outputBlock.Text += String.Format("myArray is not an array, pointer, or reference type.") & vbCrLf
 End If
 myType = New MyTypeDelegator(myInt.GetType())
 ' Determine whether myType is an array, pointer, reference type. 
 If myType.HasElementType Then
 outputBlock.Text += String.Format("The type of myInt is {0}.", myType.myElementType.ToString()) & vbCrLf
 Else
 outputBlock.Text += String.Format("myInt is not an array, pointer, or reference type.") & vbCrLf
 End If
 Catch e As Exception
 outputBlock.Text += String.Format("Exception: {0}", e.Message.ToString()) & vbCrLf
 End Try
 End Sub 'Main
End Class 'Type_HasElementTypeImpl

using System;
using System.Reflection;
public class MyTypeDelegator : TypeDelegator
{
 public string myElementType = null;
 private Type myType = null;
 public MyTypeDelegator(Type myType)
 : base(myType)
 {
 this.myType = myType;
 }
 // Override Type.HasElementTypeImpl().
 protected override bool HasElementTypeImpl()
 {
 // Determine whether the type is an array.
 if (myType.IsArray)
 {
 myElementType = "array";
 return true;
 }
 // Determine whether the type is a reference.
 if (myType.IsByRef)
 {
 myElementType = "reference";
 return true;
 }
 // Determine whether the type is a pointer.
 if (myType.IsPointer)
 {
 myElementType = "pointer";
 return true;
 }
 // Return false if the type is not a reference, array, or pointer type.
 return false;
 }
}
public class Example
{
 public static void Demo(System.Windows.Controls.TextBlock outputBlock)
 {
 try
 {
 int myInt = 0;
 int[] myArray = new int[5];
 MyTypeDelegator myType = new MyTypeDelegator(myArray.GetType());
 // Determine whether myType is an array, pointer, reference type. 
 outputBlock.Text += String.Format("\nDetermine whether a variable is an array, pointer, or reference type.\n") + "\n";
 if (myType.HasElementType)
 outputBlock.Text += String.Format("The type of myArray is {0}.", myType.myElementType) + "\n";
 else
 outputBlock.Text += String.Format("myArray is not an array, pointer, or reference type.") + "\n";
 myType = new MyTypeDelegator(myInt.GetType());
 // Determine whether myType is an array, pointer, reference type. 
 if (myType.HasElementType)
 outputBlock.Text += String.Format("The type of myInt is {0}.", myType.myElementType) + "\n";
 else
 outputBlock.Text += String.Format("myInt is not an array, pointer, or reference type.") + "\n";
 }
 catch (Exception e)
 {
 outputBlock.Text += String.Format("Exception: {0}", e.Message) + "\n";
 }
 }
}

Type Class

System Namespace

IsPointerImpl