Screen print or copy

1.Print screen

Public Class Form1

    Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click

        Dim memoryImage As Bitmap
        Dim myGraphics As Graphics = Me.CreateGraphics()
        Dim s As Size = New Size(1280, 1024)
        memoryImage = New Bitmap(s.Width, s.Height, myGraphics)
        Dim memoryGraphics As Graphics = Graphics.FromImage(memoryImage)
        memoryGraphics.CopyFromScreen(0, 0, 0, 0, s)
        If SaveFileDialog1.ShowDialog = Windows.Forms.DialogResult.OK Then

            memoryImage.Save(SaveFileDialog1.FileName & ".jpg")
        End If

    End Sub


End Class

2.Copy screen

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
using System.Diagnostics;

namespace copyScreen
{
    public delegate void copyToFatherTextBox(Rectangle r);

    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }
        /*开始截图*/
        private void button1_Click(object sender, EventArgs e)
        {
            ScreenForm screen = new ScreenForm();
            screen.copytoFather += new copyToFatherTextBox(copytoTextBox);
            screen.ShowDialog();
        }
        /*截图后续操作*/
        public void copytoTextBox(Rectangle rec)
        {
            Rectangle rec2=rec; //改造一下，去掉红色边框
            if(rec.Width>2&&rec.Height>2)
                rec2= new Rectangle(rec.X + 1, rec.Y + 1, rec.Width - 2, rec.Height - 2);
            Rectangle r = Screen.PrimaryScreen.Bounds;
            Image img = new Bitmap(rec2.Width, rec2.Height);
            Graphics g = Graphics.FromImage(img);
            g.CopyFromScreen(rec2.Location, new Point(0, 0), rec2.Size);
            Clipboard.SetDataObject(img, false);
            richTextBox1.Paste();  
        }

        
    }
}