前段时间写的小程序。屏幕截取是个很常用的功能,但是Win自带的Print功能截取的范围太固定了(当前窗体或者全屏),因此平时要用屏幕截取时本人就只能开QQ了,但是开QQ太麻烦.并且被QQ窗体遮掩后的那部分窗体又截不到了,因此本程序诞生了!
一、主要原理：
通过两个窗体事件
Mouse_Down和
Mouse_UP来捕获鼠标移动的矩形区域，通过使用Graphics类的CopyFromScreen方法来把该矩形区域save到指定目录。
二、主要代码：
CopyRight 2007 By SeeK [tseek1@gmail.com]#region CopyRight 2007 By SeeK [tseek1@gmail.com]
/**//*
* 12/23/2007
* This Program is written by SeeK [tseek1@gmail.com]
* it's a screen intercept programer.
* everyone who will change this source please send a mail to me.
* */
#endregion
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
namespace 屏幕部分截取
{
public partial class Form1 : Form
{
Member Var Decline#region Member Var Decline
private Point clickPoint;
private Point currentPoint;
private string path;
#endregion
/**//// <summary>
/// Initialize form and decline some Event
/// </summary>
public Form1()
{
InitializeComponent();
this.MouseUp += new MouseEventHandler(Mouse_Up);
this.MouseDown += new MouseEventHandler(Mouse_Down);
}
System Events and Self define Events area#region System Events and Self define Events area
private void Mouse_Down(object sender, MouseEventArgs e)
{
clickPoint = new Point(System.Windows.Forms.Control.MousePosition.X, System.Windows.Forms.Control.MousePosition.Y);
}
private void Mouse_Up(object sender, MouseEventArgs e)
{
currentPoint = new Point(System.Windows.Forms.Control.MousePosition.X, System.Windows.Forms.Control.MousePosition.Y);
saveFileDialog1.DefaultExt = "jpg";
saveFileDialog1.Filter = "JPEG files (*.jpg)|*.jpg";
if (saveFileDialog1.ShowDialog() == DialogResult.OK)
{
path = saveFileDialog1.FileName;
}
if (SavePic())
{
MessageBox.Show("图片成功保存在" + path);
this.WindowState = FormWindowState.Normal;
this.Opacity = 1.00;
}
else
{
MessageBox.Show("保存失败！");
}
}
/**//// <summary>
/// setting form's opacity with a small double number and make form Maximized to get the point.
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void button1_Click(object sender, EventArgs e)
{
this.Opacity = 0.01;
this.WindowState = FormWindowState.Maximized;
//this.Show();
}
#endregion
private bool SavePic()
{
Rectangle selectRec=new Rectangle(this.clickPoint.X,this.clickPoint.Y,this.currentPoint.X-this.clickPoint.X,this.currentPoint.Y-this.clickPoint.Y);
try
{
Bitmap pic = new Bitmap(selectRec.Width, selectRec.Height);
Graphics g = Graphics.FromImage(pic);
g.CopyFromScreen(clickPoint,Point.Empty, selectRec.Size);
pic.Save(path, System.Drawing.Imaging.ImageFormat.Jpeg);
return true;
}
catch
{
return false;
}
}
private void btnExit_Click(object sender, EventArgs e)
{
Application.Exit();
}
}
}SIGNATRUE-----------------------------------
龟看上去很慢很慢，而且还有些憨，虽然没有兔子跑的快，但是只要有坚持不懈的毅力,就一定会到达成功的比彼岸.如果自己是龟，就不要试图把自己变成兔子,我就是那只憨龟。