CopyFromScreen是获取屏幕截图的正确方法吗? [英] Is CopyFromScreen a right way to get screenshots?
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问题描述
我正在创建一个应用程序,该应用程序会在特定时间间隔内获取桌面的屏幕截图.
I am creating an app that takes a screenshot of the desktop at a certain interval of time.
代码:
String nme = "";
Bitmap printscreen = new Bitmap(Screen.PrimaryScreen.Bounds.Width,
Screen.PrimaryScreen.Bounds.Height);
Graphics graphics = Graphics.FromImage(printscreen as Image);
graphics.CopyFromScreen(0, 0, 0, 0, printscreen.Size);
nme = DateTime.Now.ToString();
printscreen.Save(@"F:\Temp\printScre.jpg", ImageFormat.Jpeg);
- CopyFromScreen是获取桌面屏幕截图的正确方法吗?
- 如果我想将此屏幕截图发送到远程服务器,那么最好的方法是什么?
- 我应该在发送压缩文件之前进行一些压缩,如果是的话,最有效的方法是什么?
推荐答案
- 是的,这是正确的方式
- 有几种可能.我建议通过电子邮件或FTP发送它(因为在c#中很简单).
- 不,我个人认为您不需要额外的压缩.您的屏幕截图已保存为JPEG,因此已被压缩.
用于发送带有附件的电子邮件的代码段:
Code snippet for sending email with attachment:
MailMessage mail = new MailMessage();
SmtpClient SmtpServer = new SmtpClient(YOUR SMTP SERVER ADDRESS);
mail.From = new MailAddress(SENDER ADDRESS);
mail.To.Add(RECEIVER ADDRESS);
mail.Subject = "Test Mail - 1";
mail.Body = "mail with attachment";
System.Net.Mail.Attachment attachment;
attachment = new System.Net.Mail.Attachment("YOURFILE");
mail.Attachments.Add(attachment);
SmtpServer.Port = 587;
SmtpServer.Credentials = new System.Net.NetworkCredential(YOUR_SMTP_USER_NAME, YOUR_SMTP_PASSWORD);
SmtpServer.EnableSsl = true;
SmtpServer.Send(mail);
(基于此博客)
FTP的代码段:
FtpWebRequest request = (FtpWebRequest)WebRequest.Create("ftp://www.contoso.com/test.htm");
request.Method = WebRequestMethods.Ftp.UploadFile;
request.Credentials = new NetworkCredential ("anonymous","janeDoe@contoso.com");
StreamReader sourceStream = new StreamReader("testfile.txt");
byte [] fileContents = Encoding.UTF8.GetBytes(sourceStream.ReadToEnd());
sourceStream.Close();
request.ContentLength = fileContents.Length;
Stream requestStream = request.GetRequestStream();
requestStream.Write(fileContents, 0, fileContents.Length);
requestStream.Close();
FtpWebResponse response = (FtpWebResponse)request.GetResponse();
Console.WriteLine("Upload File Complete, status {0}", response.StatusDescription);
response.Close();
(基于 MSDN )
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