<BindableAttribute(True)> _
<ThemeableAttribute(False)> _
Public Class Control
    Implements IComponent, IDisposable, IParserAccessor, IUrlResolutionService, _
    IDataBindingsAccessor, IControlBuilderAccessor, IControlDesignerAccessor, IExpressionsAccessor

Dim instance As Control

[BindableAttribute(true)] 
[ThemeableAttribute(false)] 
public class Control : IComponent, IDisposable, IParserAccessor, 
    IUrlResolutionService, IDataBindingsAccessor, IControlBuilderAccessor, IControlDesignerAccessor, IExpressionsAccessor

[BindableAttribute(true)] 
[ThemeableAttribute(false)] 
public ref class Control : IComponent, IDisposable, IParserAccessor, 
    IUrlResolutionService, IDataBindingsAccessor, IControlBuilderAccessor, IControlDesignerAccessor, IExpressionsAccessor

/** @attribute BindableAttribute(true) */ 
/** @attribute ThemeableAttribute(false) */ 
public class Control implements IComponent, IDisposable, 
    IParserAccessor, IUrlResolutionService, IDataBindingsAccessor, IControlBuilderAccessor, IControlDesignerAccessor, 
    IExpressionsAccessor

BindableAttribute(true) 
ThemeableAttribute(false) 
public class Control implements IComponent, IDisposable, 
    IParserAccessor, IUrlResolutionService, IDataBindingsAccessor, IControlBuilderAccessor, IControlDesignerAccessor, 
    IExpressionsAccessor

Option Explicit
Option Strict

Imports System
Imports System.Web
Imports System.Web.UI
Imports Microsoft.VisualBasic

Namespace SimpleControlSamples
    Public Class InnerContent
        Inherits Control
        <System.Security.Permissions.PermissionSetAttribute(System.Security.Permissions.SecurityAction.Demand, Name:="Execution")> _
        Protected Overrides Sub Render(output As HtmlTextWriter)
            
            If HasControls() And TypeOf Controls(0) Is LiteralControl Then
                output.Write("<H2>Your message : ")
                Controls(0).RenderControl(output)
                output.Write("</H2>")
            End If
        End Sub 'Render
    End Class 'InnerContent
End Namespace 'SimpleControlSamples

using System;
using System.Web;
using System.Web.UI;

namespace SimpleControlSamples {

    public class InnerContent : Control {
    [System.Security.Permissions.PermissionSet(System.Security.Permissions.SecurityAction.Demand, Name="Execution")] 
       protected override void Render(HtmlTextWriter output) {

           if ( (HasControls()) && (Controls[0] is LiteralControl) ) {
               output.Write("<H2>Your message : ");
               Controls[0].RenderControl(output);
               output.Write("</H2>");
           }
       }
    }    
}
   

package SimpleControlSamples; 

import System.*;
import System.Web.*;
import System.Web.UI.*; 
   
public class InnerContent extends Control
{
    /** @attribute System.Security.Permissions.PermissionSet(
        System.Security.Permissions.SecurityAction.Demand, Name = "Execution")
     */
    protected void Render(HtmlTextWriter output)
    {
        if (HasControls() && 
            get_Controls().get_Item(0) instanceof LiteralControl) {
            output.Write("<H2>Your message: ");
            get_Controls().get_Item(0).RenderControl(output);
            output.Write("</H2>");
        }
    } //Render
} //InnerContent

import System;
import System.Web;
import System.Web.UI;
import System.Security.Permissions;

package SimpleControlSamples {

    public class InnerContent extends Control {

       protected override function Render(output : HtmlTextWriter) {
    var securityperm : SecurityPermission;
         securityperm = new SecurityPermission(SecurityPermissionFlag.SerializationFormatter);
         securityperm.Demand();
           if ( (HasControls()) && (typeof(Controls[0]) == LiteralControl) ) {
              output.Write("<H2>Your Message: " + (LiteralControl(Controls[0])).Text + "</H2>");
           }
       }
    }    
}