实例介绍
【实例简介】
【实例截图】
【核心代码】
using System;
using System.Drawing;
using System.Drawing.Imaging;
using System.Threading;
using System.Windows.Forms;
namespace ScreenSnap
{
public partial class formMain : Form
{
Bitmap image;
Thread playWav;
int imageNum = 1;
bool isFirstTimeShow = true;
public formMain()
{
InitializeComponent();
playWav = new Thread(new ThreadStart(playStartWav));
playWav.Start();
Snap(0, 0, Screen.PrimaryScreen.Bounds.Width, Screen.PrimaryScreen.Bounds.Height);
playWav.Abort();
pcurrentWin = this;
}
private void btnSnap_Click(object sender, EventArgs e)
{
if (rbFullScreen.Checked == false)
{
this.Hide();
Thread.Sleep(300);
if (cbDelayTime.Checked == true)
Thread.Sleep(5000);
Form2 form2 = new Form2();
form2.ShowDialog();
}
else
{
this.Hide();
Thread.Sleep(300);
if (cbDelayTime.Checked == true)
Thread.Sleep(5000);
Snap(0, 0, Screen.PrimaryScreen.Bounds.Width, Screen.PrimaryScreen.Bounds.Height);
this.Show();
}
}
public static formMain
pcurrentWin = null;
private void btnSave_Click(object sender, EventArgs e)
{
if (pictureBox.BackgroundImage != null)
{
playWav = new Thread(new ThreadStart(playSaveWav));
playWav.Start();
SaveFileDialog dlg = new SaveFileDialog();
dlg.DefaultExt = "png";
dlg.Filter = "Png Files|*.png";
dlg.FileName = "ScreenSnap" imageNum.ToString();
DialogResult res = dlg.ShowDialog();
if (res == System.Windows.Forms.DialogResult.OK)
{
pictureBox.BackgroundImage.Save(dlg.FileName, ImageFormat.Png);
imageNum ;
}
playWav.Abort();
}
}
public void Snap(int x, int y, int width, int height)
{
try
{
if (isFirstTimeShow == false) //如果程序是第一次运行, 则不播放快门声
{
playWav = new Thread(new ThreadStart(playSuccessWav));
playWav.Start();
}
isFirstTimeShow = false;
pictureBox.BackgroundImageLayout = ImageLayout.Zoom;
image = new Bitmap(width, height);
Graphics g = Graphics.FromImage(image);
g.CopyFromScreen(x, y, 0, 0, new System.Drawing.Size(width, height));
lblPicPosition.Visible = true;
lblPicSize.Visible = true;
lblPicPosition.Text = "Start Position: ( " x.ToString() ", " y.ToString() " )";
lblPicSize.Text = "Size: " width.ToString() " * " height.ToString();
if (width < pictureBox.Width && height < pictureBox.Height)
pictureBox.BackgroundImageLayout = ImageLayout.Center;
pictureBox.BackgroundImage = image;
}
catch { }
}
private void ToolStripOpen_Click(object sender, EventArgs e)
{
OpenFileDialog dlg = new OpenFileDialog();
dlg.DefaultExt = "png|jpg|bmp";
dlg.Filter = "Png Files|*.png|Jpg Files|*.jpg|Bmp Files|*.bmp";
dlg.FileName = "ScreenSnap" imageNum.ToString();
DialogResult res = dlg.ShowDialog();
if (res == System.Windows.Forms.DialogResult.OK)
{
pictureBox.BackgroundImage = Image.FromFile(dlg.FileName);
lblPicPosition.Visible = false;
lblPicSize.Visible = true;
lblPicSize.Text = "Size: " pictureBox.BackgroundImage.Width.ToString() " * " pictureBox.BackgroundImage.Height.ToString();
}
}
private void pictureBox_Click(object sender, EventArgs e)
{
//单击PictureBox, 当图像不为空的时候, 将图像复制到剪贴板
if (pictureBox.BackgroundImage != null)
{
try
{
Clipboard.SetImage(pictureBox.BackgroundImage);
MessageBox.Show("图片已复制到剪贴板","",MessageBoxButtons.OK, MessageBoxIcon.Information);
}
catch { }
}
}
private void ToolStripCopy_Click(object sender, EventArgs e)
{
pictureBox_Click(sender, e);
}
private void time_Click(object sender, EventArgs e)
{
cbDelayTime.Checked = !cbDelayTime.Checked;
}
private void sound_Click(object sender, EventArgs e)
{
cbSound.Checked = !cbSound.Checked;
}
private void ToolStripFullScreen_Click(object sender, EventArgs e)
{
rbFullScreen.Checked = true;
btnSnap_Click(sender, e);
}
private void ToolStripRegion_Click(object sender, EventArgs e)
{
rbRegion.Checked = true;
btnSnap_Click(sender, e);
}
private void ToolStripClearImage_Click(object sender, EventArgs e)
{
image = null;
pictureBox.BackgroundImage = null;
lblPicPosition.Visible = false;
lblPicSize.Visible = false;
}
private void ToolStripSnap_Click(object sender, EventArgs e)
{
btnSnap_Click(sender, e);
}
private void ToolStripClose_Click(object sender, EventArgs e)
{
this.Close();
}
private void ToolStripSave_Click(object sender, EventArgs e)
{
btnSave_Click(sender, e);
}
private void ScreenSnapToolAbout_Click(object sender, EventArgs e)
{
Form aboutForm = new AboutBox();
aboutForm.ShowDialog();
}
[System.Runtime.InteropServices.DllImport("winmm.DLL", EntryPoint = "PlaySound", SetLastError = true)]
private static extern bool PlaySound(string szSound, System.IntPtr hMod, PlaySoundFlags flags);
[System.Flags]
public enum PlaySoundFlags : int
{
SND_SYNC = 0x0000,
SND_ASYNC = 0x0001,
SND_NODEFAULT = 0x0002,
SND_LOOP = 0x0008,
SND_NOSTOP = 0x0010,
SND_NOWAIT = 0x00002000,
SND_FILENAME = 0x00020000,
SND_RESOURCE = 0x00040004
}
public void playStartWav()
{
if (this.cbSound.Checked == false)
{
try
{
PlaySound(@"Resources\startSnap.wav", new System.IntPtr(), PlaySoundFlags.SND_SYNC);
}
catch { }
}
}
public void playSaveWav()
{
if (cbSound.Checked == false)
{
try
{
PlaySound(@"Resources\save.wav", new System.IntPtr(), PlaySoundFlags.SND_SYNC);
}
catch { }
}
}
public void playSuccessWav()
{
if (cbSound.Checked == false)
{
try
{
PlaySound(@"Resources\success.wav", new System.IntPtr(), PlaySoundFlags.SND_SYNC);
}
catch { }
}
}
}
}
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