C#截取当前活动窗体的图片

时间:2021-05-02

using System;using System.Collections.Generic;using System.ComponentModel;using System.Data;using System.Drawing;using System.Linq;using System.Drawing.Imaging;using System.Text;using System.Windows.Forms;namespace WindowsFormsApplication4{ public partial class Form1 : Form { public Form1() { InitializeComponent(); } private void button1_Click(object sender, EventArgs e) { CaptureImage(this.Location,new Point (0,0), new Rectangle(this.Location.X, this.Location.Y, this.Width, this.Height), "c:\\ls.bmp"); } public void CaptureImage(Point SourcePoint, Point DestinationPoint,Rectangle SelectionRectangle, string FilePath) { using (Bitmap bitmap = new Bitmap(SelectionRectangle.Width, SelectionRectangle.Height)) { using (Graphics g = Graphics.FromImage(bitmap)) { g.CopyFromScreen(SourcePoint, DestinationPoint, SelectionRectangle.Size); } bitmap.Save(FilePath, ImageFormat.Bmp); bitmap.Dispose(); } } }}

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