Visual C# 2010 Recipes A Problem-Solution Approach 代码2 —— Create a Windows-Based Application from the Command Line

Recipe01-02.cs

using System;
using System.Windows.Forms;

namespace Apress.VisualCSharpRecipes.Chapter01
{
class Recipe01_02 : Form
{
// Private members to hold references to the form's controls.
private Label label1;
private TextBox textBox1;
private Button button1;

// Constructor used to create an instance of the form and configure
// the form's controls.
public Recipe01_02()
{
// Instantiate the controls used on the form.
this.label1 = new Label();
this.textBox1 = new TextBox();
this.button1 = new Button();

// Suspend the layout logic of the form while we configure and
// position the controls.
this.SuspendLayout();

// Configure label1, which displays the user prompt.
this.label1.Location = new System.Drawing.Point(16, 36);
this.label1.Name = "label1";
this.label1.Size = new System.Drawing.Size(148, 16);
this.label1.TabIndex = 0;
this.label1.Text = "Please enter your name:";

// Configure textBox1, which accepts the user input.
this.textBox1.Location = new System.Drawing.Point(172, 32);
this.textBox1.Name = "textBox1";
this.textBox1.TabIndex = 1;
this.textBox1.Text = "";

// Configure button1, which the user clicks to enter a name.
this.button1.Location = new System.Drawing.Point(109, 80);
this.button1.Name = "button1";
this.button1.TabIndex = 2;
this.button1.Text = "Enter";
this.button1.Click += new System.EventHandler(this.button1_Click);

// Configure WelcomeForm and add controls.
this.ClientSize = new System.Drawing.Size(292, 126);
this.Controls.Add(this.button1);
this.Controls.Add(this.textBox1);
this.Controls.Add(this.label1);
this.Name = "form1";
this.Text = "Visual C# 2010 Recipes";

// Resume the layout logic of the form now that all controls are
// configured.
this.ResumeLayout(false);
}

// Event handler called when the user clicks the Enter button on the
// form.
private void button1_Click(object sender, System.EventArgs e)
{
// Write debug message to the console.
System.Console.WriteLine("User entered: " + textBox1.Text);

// Display welcome as a message box.
MessageBox.Show("Welcome to Visual C# 2010 Recipes, "
+ textBox1.Text, "Visual C# 2010 Recipes");
}

// Application entry point, creates an instance of the form, and begins
// running a standard message loop on the current thread. The message
// loop feeds the application with input from the user as events.
[STAThread]
public static void Main()
{
Application.EnableVisualStyles();
Application.Run(new Recipe01_02());
}
}
}

使用在命令行程序显示一个图形化操作界面，这个例子可以用在Windows Forms第一堂课上讲，让学员脱离IDE的依赖，彻底掌握Windows Forms编程核心概念，是个不错的范例。