using System ;
using System.Drawing ;
using System.Collections ;
using System.ComponentModel ;
using System.Windows.Forms ;
using System.Data ;
using System.Drawing.Imaging ;
public class Form1 : Form
{
private Button button1 ;
private System.ComponentModel.Container components = null ;public Form1 ( )
{
//初始化窗体中的各个组件
InitializeComponent ( ) ;
}
// 清除程序中使用过的资源
protected override void Dispose ( bool disposing )
{
if ( disposing )
{
if ( components != null )
{
components.Dispose ( ) ;
}
}
base.Dispose ( disposing ) ;
}
private void InitializeComponent ( )
{
button1 = new Button ( );
SuspendLayout ( ) ;
button1.Location = new System.Drawing.Point ( 64 , 40 ) ;
button1.Name = "button1" ;
button1.Size = new System.Drawing.Size ( 80 , 32 ) ;
button1.TabIndex = 0 ;
button1.Text = "捕获" ;
button1.Click += new System.EventHandler ( button1_Click ) ;AutoScaleBaseSize = new System.Drawing.Size ( 6 , 14 ) ;
ClientSize = new System.Drawing.Size ( 216 , 125 ) ;
Controls.Add ( button1 ) ;
MaximizeBox = false ;
MinimizeBox = false ;
Name = "Form1" ;
Text = "C#捕获当前屏幕!" ;
ResumeLayout ( false ) ;}
//声明一个API函数
[ System.Runtime.InteropServices.DllImportAttribute ( "gdi32.dll" ) ]
private static extern bool BitBlt (
IntPtr hdcDest , // 目标 DC的句柄
int nXDest ,
int nYDest ,
int nWidth ,
int nHeight ,
IntPtr hdcSrc , // 源DC的句柄
int nXSrc ,
int nYSrc ,
System.Int32 dwRop // 光栅的处理数值
) ;static void Main ( )
{
Application.Run ( new Form1 ( ) ) ;
}
private void button1_Click ( object sender , System.EventArgs e )
{
//获得当前屏幕的大小
Rectangle rect = new Rectangle ( ) ;
rect = Screen.GetWorkingArea ( this ) ;
//创建一个以当前屏幕为模板的图象
Graphics g1 = this.CreateGraphics ( ) ;
//创建以屏幕大小为标准的位图
Image MyImage = new Bitmap ( rect.Width , rect.Height , g1 ) ;
Graphics g2 = Graphics.FromImage ( MyImage ) ;
//得到屏幕的DC
IntPtr dc1 = g1.GetHdc ( ) ;
//得到Bitmap的DC
IntPtr dc2 = g2.GetHdc ( ) ;
//调用此API函数,实现屏幕捕获
BitBlt ( dc2 , 0 , 0 , rect.Width , rect.Height , dc1 , 0 , 0 , 13369376 ) ;
//释放掉屏幕的DC
g1.ReleaseHdc ( dc1 ) ;
//释放掉Bitmap的DC
g2.ReleaseHdc ( dc2 ) ;
MyImage.Save ( @"c:\1.jpg" , ImageFormat.Jpeg );
MessageBox.Show ( "当前屏幕已经保存为C盘的1.jpg文件!" ) ;
}}
using System.Drawing ;
using System.Collections ;
using System.ComponentModel ;
using System.Windows.Forms ;
using System.Data ;
using System.Drawing.Imaging ;
public class Form1 : Form
{
private Button button1 ;
private System.ComponentModel.Container components = null ;public Form1 ( )
{
//初始化窗体中的各个组件
InitializeComponent ( ) ;
}
// 清除程序中使用过的资源
protected override void Dispose ( bool disposing )
{
if ( disposing )
{
if ( components != null )
{
components.Dispose ( ) ;
}
}
base.Dispose ( disposing ) ;
}
private void InitializeComponent ( )
{
button1 = new Button ( );
SuspendLayout ( ) ;
button1.Location = new System.Drawing.Point ( 64 , 40 ) ;
button1.Name = "button1" ;
button1.Size = new System.Drawing.Size ( 80 , 32 ) ;
button1.TabIndex = 0 ;
button1.Text = "捕获" ;
button1.Click += new System.EventHandler ( button1_Click ) ;AutoScaleBaseSize = new System.Drawing.Size ( 6 , 14 ) ;
ClientSize = new System.Drawing.Size ( 216 , 125 ) ;
Controls.Add ( button1 ) ;
MaximizeBox = false ;
MinimizeBox = false ;
Name = "Form1" ;
Text = "C#捕获当前屏幕!" ;
ResumeLayout ( false ) ;}
//声明一个API函数
[ System.Runtime.InteropServices.DllImportAttribute ( "gdi32.dll" ) ]
private static extern bool BitBlt (
IntPtr hdcDest , // 目标 DC的句柄
int nXDest ,
int nYDest ,
int nWidth ,
int nHeight ,
IntPtr hdcSrc , // 源DC的句柄
int nXSrc ,
int nYSrc ,
System.Int32 dwRop // 光栅的处理数值
) ;static void Main ( )
{
Application.Run ( new Form1 ( ) ) ;
}
private void button1_Click ( object sender , System.EventArgs e )
{
//获得当前屏幕的大小
Rectangle rect = new Rectangle ( ) ;
rect = Screen.GetWorkingArea ( this ) ;
//创建一个以当前屏幕为模板的图象
Graphics g1 = this.CreateGraphics ( ) ;
//创建以屏幕大小为标准的位图
Image MyImage = new Bitmap ( rect.Width , rect.Height , g1 ) ;
Graphics g2 = Graphics.FromImage ( MyImage ) ;
//得到屏幕的DC
IntPtr dc1 = g1.GetHdc ( ) ;
//得到Bitmap的DC
IntPtr dc2 = g2.GetHdc ( ) ;
//调用此API函数,实现屏幕捕获
BitBlt ( dc2 , 0 , 0 , rect.Width , rect.Height , dc1 , 0 , 0 , 13369376 ) ;
//释放掉屏幕的DC
g1.ReleaseHdc ( dc1 ) ;
//释放掉Bitmap的DC
g2.ReleaseHdc ( dc2 ) ;
MyImage.Save ( @"c:\1.jpg" , ImageFormat.Jpeg );
MessageBox.Show ( "当前屏幕已经保存为C盘的1.jpg文件!" ) ;
}}
using System.Windows.Forms;
using System.Drawing;
using System.Drawing.Imaging;
using System.Runtime.InteropServices;
namespace PrintScreen
{
//一部分代码来自网络
[StructLayout(LayoutKind.Sequential)]
public struct RECT
{
public int left;
public int top;
public int right;
public int bottom;
}
//封装一部分api的类
public class apitmp
{
[DllImport("user32.dll")]
public static extern bool GetCursorPos(ref Point lpPoint);
[DllImport("user32.dll")]
public static extern int WindowFromPoint( Point lpPoint);
[DllImport("user32.dll")]
public static extern IntPtr GetDesktopWindow();
[DllImport("user32.dll")]
public static extern int GetForegroundWindow();
[DllImport("user32.dll")]
public static extern int GetWindowRect(int hwnd, ref RECT rc);
[DllImport("user32.dll")]
public static extern int GetWindowDC( int hwnd);
[DllImport("Gdi32.dll")]
public static extern bool BitBlt (
IntPtr hdcDest , // 目标设备的句柄
int nXDest , // 目标对象的左上角的X坐标
int nYDest , // 目标对象的左上角的X坐标
int nWidth , // 目标对象的矩形的宽度
int nHeight , // 目标对象的矩形的长度
IntPtr hdcSrc , // 源设备的句柄
int nXSrc , // 源对象的左上角的X坐标
int nYSrc , // 源对象的左上角的X坐标
System.Int32 dwRop // 光栅的操作值
) ;
[DllImportAttribute ( "gdi32.dll" ) ]
public static extern IntPtr CreateDC (
string lpszDriver , // 驱动名称
string lpszDevice , // 设备名称
string lpszOutput , // 无用,可以设定位"NULL"
IntPtr lpInitData // 任意的打印机数据
) ; } //封装各种抓屏操作的类
public class UCapture
{
//获得屏幕指定区域
public Bitmap getscreen(int left,int top ,int width,int height)
{
IntPtr dc1 = apitmp.CreateDC ( "DISPLAY" , null , null , ( IntPtr ) null ) ;
Graphics newGraphics = Graphics.FromHdc(dc1);
Bitmap img = new Bitmap(width , height ,newGraphics);
Graphics thisGraphics = Graphics.FromImage(img);
IntPtr dc2 =thisGraphics.GetHdc();
IntPtr dc3 = newGraphics.GetHdc();
apitmp.BitBlt(dc2,0,0,width , height ,dc3,left,top,13369376);
thisGraphics.ReleaseHdc(dc2);
newGraphics.ReleaseHdc(dc3);
return img;
}
//获得整个屏幕
public Bitmap getfullscreen()
{
return getscreen(0,0,Screen.PrimaryScreen.Bounds.Width,Screen.PrimaryScreen.Bounds.Height);
}
//抓取句柄所指窗口
public Bitmap getscreenfromhandle(int hwnd)
{
RECT rc = new RECT();
apitmp.GetWindowRect(hwnd, ref rc);
return getscreen(rc.left,rc.top,rc.right-rc.left,rc.bottom-rc.top);
}
//抓取活动窗口
public Bitmap getscreenfromactivewindow()
{
int handle = apitmp.GetForegroundWindow();
return getscreenfromhandle(handle);
}
//保存成各种格式
public string savepic(Bitmap bmp)
{
SaveFileDialog saveDialog = new SaveFileDialog();
saveDialog.Filter = "位图文件 (*.bmp)|*.bmp|jpg文件 (*.jpg)|*.jpg|gif文件 (*.gif)|*.gif|tiff文件 (*.tiff)|*.tiff|"+
"emf文件 (*.emf)|*.emf|图标文件 (*.ico)|*.ico|wmf文件 (*.wmf)|*.wmf|png文件 (*.png)|*.png";
saveDialog.DefaultExt="*.bmp";
if(saveDialog.ShowDialog() == DialogResult.OK)
{
string ext = saveDialog.FileName.Substring(saveDialog.FileName.Length-4,4);
switch( ext)
{
case ".bmp":
bmp.Save(saveDialog.FileName,ImageFormat.Bmp);
break;
case ".gif":
bmp.Save(saveDialog.FileName,ImageFormat.Gif);
break;
case ".jpg":
bmp.Save(saveDialog.FileName,ImageFormat.Jpeg);
break;
case ".emf":
bmp.Save(saveDialog.FileName,ImageFormat.Emf);
break;
case ".ico":
bmp.Save(saveDialog.FileName,ImageFormat.Icon);
break;
case ".wmf":
bmp.Save(saveDialog.FileName,ImageFormat.Wmf);
break;
case ".png":
bmp.Save(saveDialog.FileName,ImageFormat.Png);
break;
case ".tiff":
bmp.Save(saveDialog.FileName,ImageFormat.Tiff);
break;
default :
return "";
}
return saveDialog.FileName;
}
return "";
}
}
}
发送“PrintScreen”来把screen抓进
剪切板 之后想干嘛就干嘛
发"ALT+PrintScreen" 抓活动窗口
http://aspcool.com/lanmu/browse1.asp?ID=916&bbsuser=csharp
一个简单的方法就是 用Keys.Send
发送“PrintScreen”来把screen抓进
剪切板 之后想干嘛就干嘛
发"ALT+PrintScreen" 抓活动窗口
这个方法我喜欢。简单,直接。