钩子与API截获

开发平台：
C#

Form1.Designer.cs：源码内容
							﻿namespace AutoShutdown
{
    partial class Form1
    {
        /// <summary>
        /// 必需的设计器变量。
        /// </summary>
        private System.ComponentModel.IContainer components = null;
        /// <summary>
        /// 清理所有正在使用的资源。
        /// </summary>
        /// <param name="disposing">如果应释放托管资源，为 true；否则为 false。</param>
        protected override void Dispose(bool disposing)
        {
            if (disposing && (components != null))
            {
                components.Dispose();
            }
            base.Dispose(disposing);
        }
        #region Windows 窗体设计器生成的代码
        /// <summary>
        /// 设计器支持所需的方法 - 不要
        /// 使用代码编辑器修改此方法的内容。
        /// </summary>
        private void InitializeComponent()
        {
            this.components = new System.ComponentModel.Container();
            this.btShutdown = new System.Windows.Forms.Button();
            this.label1 = new System.Windows.Forms.Label();
            this.textTime = new System.Windows.Forms.MaskedTextBox();
            this.timer1 = new System.Windows.Forms.Timer(this.components);
            this.SuspendLayout();
            // 
            // btShutdown
            // 
            this.btShutdown.Location = new System.Drawing.Point(119, 20);
            this.btShutdown.Name = "btShutdown";
            this.btShutdown.Size = new System.Drawing.Size(75, 23);
            this.btShutdown.TabIndex = 0;
            this.btShutdown.Text = "关机";
            this.btShutdown.UseVisualStyleBackColor = true;
            this.btShutdown.Click += new System.EventHandler(this.btShutdown_Click);
            // 
            // label1
            // 
            this.label1.AutoSize = true;
            this.label1.Location = new System.Drawing.Point(12, 44);
            this.label1.Name = "label1";
            this.label1.Size = new System.Drawing.Size(41, 12);
            this.label1.TabIndex = 1;
            this.label1.Text = "label1";
            // 
            // textTime
            // 
            this.textTime.Location = new System.Drawing.Point(12, 20);
            this.textTime.Mask = "90:00:00";
            this.textTime.Name = "textTime";
            this.textTime.Size = new System.Drawing.Size(62, 21);
            this.textTime.TabIndex = 2;
            this.textTime.ValidatingType = typeof(System.DateTime);
            // 
            // timer1
            // 
            this.timer1.Tick += new System.EventHandler(this.timer1_Tick);
            // 
            // Form1
            // 
            this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 12F);
            this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
            this.ClientSize = new System.Drawing.Size(292, 77);
            this.Controls.Add(this.textTime);
            this.Controls.Add(this.label1);
            this.Controls.Add(this.btShutdown);
            this.Name = "Form1";
            this.Text = "Form1";
            this.Load += new System.EventHandler(this.Form1_Load);
            this.ResumeLayout(false);
            this.PerformLayout();
        }
        #endregion
        private System.Windows.Forms.Button btShutdown;
        private System.Windows.Forms.Label label1;
        private System.Windows.Forms.MaskedTextBox textTime;
        private System.Windows.Forms.Timer timer1;
    }
}

						