CS中AWP盲狙瞄准器

严重参考FLASHELF DX的文章：http://www.cnblogs.com/flashelf/archive/2006/10/07/522777.html
呵呵，基本算是抄袭，就是瞄准器根据自己习惯改了下。
学习了一点GDI的东西，顺便记下来。扬州移动出差，偷写。 :-)

主要是通过GetDC   API获得桌面的句柄，再根据该句柄创建Graphics对象。

PS:笔记本测试，发现失败，进入CS1.5后，瞄准镜消失，无法最前。有了解的，大家帮忙！！！！！！

代码及程序点击下载

using System;
using System.Drawing;
using System.Collections;
using System.ComponentModel;
using System.Windows.Forms;
using System.Data;
using System.Runtime.InteropServices;

namespace cs_cheat
{
    /**//// <summary>
    /// Form1 的摘要说明。
    /// </summary>
    public class CS_CHEAT : System.Windows.Forms.Form
    {
        private System.Windows.Forms.Timer timer1;
        private System.Windows.Forms.NotifyIcon notifyIcon1;
        private System.Windows.Forms.ContextMenu contextMenu1;
        private System.Windows.Forms.MenuItem menuItem_config;
        private System.Windows.Forms.MenuItem menuItem_exit;
        private System.Windows.Forms.MenuItem menuItem_640;
        private System.Windows.Forms.MenuItem menuItem_1650;
        private System.Windows.Forms.MenuItem menuItem_800;
        private System.Windows.Forms.MenuItem menuItem_1024;
        private System.Windows.Forms.MenuItem menuItem1;
        private System.ComponentModel.IContainer components;
    
        [DllImport("User32.dll")]   
        public   extern   static   System.IntPtr   GetDC(System.IntPtr   hWnd);  
        [DllImport("user32.dll", CharSet=CharSet.Auto)]
        public static extern bool InvalidateRect(IntPtr hWnd,IntPtr lpRect ,bool bErase);
 

        int x=839;
        int y=525;
        int w=4;    
        System.IntPtr   DesktopHandle   =   GetDC(System.IntPtr.Zero);   
         

        public CS_CHEAT()
        {
            //
            // Windows 窗体设计器支持所必需的
            //
            InitializeComponent();

            //
            // TODO: 在 InitializeComponent 调用后添加任何构造函数代码
            //
        }

        /**//// <summary>
        /// 清理所有正在使用的资源。
        /// </summary>
        protected override void Dispose( bool disposing )
        {
            if( disposing )
            {
                if (components != null) 
                {
                    components.Dispose();
                }
            }
            base.Dispose( disposing );
        }

        Windows 窗体设计器生成的代码#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();
            System.Resources.ResourceManager resources = new System.Resources.ResourceManager(typeof(CS_CHEAT));
            this.timer1 = new System.Windows.Forms.Timer(this.components);
            this.notifyIcon1 = new System.Windows.Forms.NotifyIcon(this.components);
            this.contextMenu1 = new System.Windows.Forms.ContextMenu();
            this.menuItem_config = new System.Windows.Forms.MenuItem();
            this.menuItem_exit = new System.Windows.Forms.MenuItem();
            this.menuItem_640 = new System.Windows.Forms.MenuItem();
            this.menuItem_1650 = new System.Windows.Forms.MenuItem();
            this.menuItem_800 = new System.Windows.Forms.MenuItem();
            this.menuItem_1024 = new System.Windows.Forms.MenuItem();
            this.menuItem1 = new System.Windows.Forms.MenuItem();
            // 
            // timer1
            // 
            this.timer1.Enabled = true;
            this.timer1.Interval = 5;
            this.timer1.Tick += new System.EventHandler(this.timer1_Tick);
            // 
            // notifyIcon1
            // 
            this.notifyIcon1.ContextMenu = this.contextMenu1;
            this.notifyIcon1.Icon = ((System.Drawing.Icon)(resources.GetObject("notifyIcon1.Icon")));
            this.notifyIcon1.Text = "notifyIcon1";
            this.notifyIcon1.Visible = true;
            // 
            // contextMenu1
            // 
            this.contextMenu1.MenuItems.AddRange(new System.Windows.Forms.MenuItem[] {
                                                                                         this.menuItem1,
                                                                                         this.menuItem_config,
                                                                                         this.menuItem_exit});
            // 
            // menuItem_config
            // 
            this.menuItem_config.Index = 1;
            this.menuItem_config.MenuItems.AddRange(new System.Windows.Forms.MenuItem[] {
                                                                                            this.menuItem_640,
                                                                                            this.menuItem_800,
                                                                                            this.menuItem_1024,
                                                                                            this.menuItem_1650});
            this.menuItem_config.Text = "屏幕配置";
            // 
            // menuItem_exit
            // 
            this.menuItem_exit.Index = 2;
            this.menuItem_exit.Text = "退出";
            this.menuItem_exit.Click += new System.EventHandler(this.menuItem_exit_Click);
            // 
            // menuItem_640
            // 
            this.menuItem_640.Index = 0;
            this.menuItem_640.Text = "640X480";
            this.menuItem_640.Click += new System.EventHandler(this.menuItem_640_Click);
            // 
            // menuItem_1650
            // 
            this.menuItem_1650.Index = 3;
            this.menuItem_1650.Text = "1650X1050";
            this.menuItem_1650.Click += new System.EventHandler(this.menuItem_1650_Click);
            // 
            // menuItem_800
            // 
            this.menuItem_800.Index = 1;
            this.menuItem_800.Text = "800X600";
            this.menuItem_800.Click += new System.EventHandler(this.menuItem_800_Click);
            // 
            // menuItem_1024
            // 
            this.menuItem_1024.Index = 2;
            this.menuItem_1024.Text = "1024X768";
            this.menuItem_1024.Click += new System.EventHandler(this.menuItem_1024_Click);
            // 
            // menuItem1
            // 
            this.menuItem1.Index = 0;
            this.menuItem1.Text = "By MadGoat 2006-12-01";
            // 
            // CS_CHEAT
            // 
            this.AutoScaleBaseSize = new System.Drawing.Size(8, 18);
            this.ClientSize = new System.Drawing.Size(256, 144);
            this.Name = "CS_CHEAT";
            this.ShowInTaskbar = false;
            this.Text = "CS_CHEAT 0.1";
            this.WindowState = System.Windows.Forms.FormWindowState.Minimized;
            this.Closed += new System.EventHandler(this.Form1_Closed);

        }
        #endregion

        /**//// <summary>
        /// 应用程序的主入口点。
        /// </summary>
        [STAThread]
        static void Main() 
        {
            Application.Run(new CS_CHEAT());
        }

        private void timer1_Tick(object sender, System.EventArgs e)
        {
            Graphics   g   =   System.Drawing.Graphics.FromHdc(DesktopHandle);
            g.FillRectangle(Brushes.Lime,x,y,w,w);
            g.FillRectangle(Brushes.Lime,x-15,y,10,w);
            g.FillRectangle(Brushes.Lime,x+5+w,y,10,w);
            g.FillRectangle(Brushes.Lime,x,y-15,w,10);
            g.FillRectangle(Brushes.Lime,x,y+5+w,w,10);            
        }

        private void menuItem_exit_Click(object sender, System.EventArgs e)
        {
            this.Close();
        }

        private void Form1_Closed(object sender, System.EventArgs e)
        {
            InvalidateRect(IntPtr.Zero,IntPtr.Zero,false); 
        
        }

        private void menuItem_800_Click(object sender, System.EventArgs e)
        {
            x=399;
            y=300;
            InvalidateRect(IntPtr.Zero,IntPtr.Zero,false);
        
        }

        private void menuItem_1024_Click(object sender, System.EventArgs e)
        {
            x=511;
            y=384;
            InvalidateRect(IntPtr.Zero,IntPtr.Zero,false);
        }

        private void menuItem_640_Click(object sender, System.EventArgs e)
        {
            x=319;
            y=240;
            InvalidateRect(IntPtr.Zero,IntPtr.Zero,false); 
        }

        private void menuItem_1650_Click(object sender, System.EventArgs e)
        {
            x=839;
            y=525;
            InvalidateRect(IntPtr.Zero,IntPtr.Zero,false); 
        }
    }
}