System;

System.Collections.Generic;

System.ComponentModel;

System.Data;

System.Drawing;

System.Text;

System.Windows.Forms;

Test2

public partial class MyTextBoxAndButton :Panel

{

private TextBox TB = new TextBox();

private Button BT = new Button();

public MyTextBoxAndButton()

{

this.TB.Visible = false;

this.Width = 200;

this.Height =this.TB.Height;

TB.Width = 150;

this.BT.Width = 50;

this.BT.Height = this.TB.Height;

TB.Location = new Point(this.Location.X, this.Location.Y);

BT.Location = new Point(this.Location.X + this.TB.Width, this.Location.Y);

this.Controls.Add(TB);

this.Controls.Add(BT);

this.BT.Click += new EventHandler(BT_Click);

InitializeComponent();

}

void BT_Click(object sender, EventArgs e)

{

MessageBox.Show("Click");

this.TB.Visible = true;

}

}