MessageBox.Show(String value) : MessageBox « System.Windows.Forms « C# / C Sharp by API

1. C# / C Sharp by API
2. System.Windows.Forms
3. MessageBox

MessageBox.Show(String value)

 

using System;
using System.Drawing;
using System.ComponentModel;
using System.Windows.Forms;

public class frmLogin : System.Windows.Forms.Form {
    System.Windows.Forms.TextBox txtUser;
    System.Windows.Forms.Button btnOK;
    System.Windows.Forms.Button btnCancel;

    public frmLogin() {
        txtUser = new System.Windows.Forms.TextBox();
        txtUser.Location = new Point(30, 15);
        txtUser.Size = new Size(250, 20);
        txtUser.Text = "";
        txtUser.Name = "txtUser";
        this.Controls.Add(txtUser);

        btnOK = new System.Windows.Forms.Button();
        btnOK.Location = new Point(40,(txtUser.Location.Y + txtUser.Size.Height + btnOK.Size.Height));
        btnOK.Text = "OK";
        btnOK.Name = "btnOK";
        this.Controls.Add(btnOK);

        btnCancel = new System.Windows.Forms.Button();
        btnCancel.Location = new Point((this.Size.Width -
                                        btnCancel.Size.Width) - 40,
           (txtUser.Location.Y + txtUser.Size.Height + btnOK.Size.Height));
        btnCancel.Text = "Cancel";
        btnCancel.Name = "btnCancel";
        this.Controls.Add(btnCancel);

        this.Size = new Size(this.Size.Width, btnCancel.Location.Y +
                             btnCancel.Size.Height + 60);

        btnCancel.Click += new System.EventHandler(btnCancelHandler);
        btnOK.Click += new System.EventHandler(btnEventHandler);
    }

    private void btnEventHandler(object sender, System.EventArgs e) {
        MessageBox.Show(((Button)sender).Name);
    }

    private void btnCancelHandler(object sender, System.EventArgs e) {
        MessageBox.Show("The second handler");
    }

    [STAThread]
    static void Main() {
        Application.Run(new frmLogin());
    }
}

   
  

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