C#

A first chance exception of type 'System.InvalidOperationException' occurred in System.Drawing.dll
An unhandled exception of type 'System.InvalidOperationException' occurred in System.Drawing.dll

Additional information: Bitmap region is already locked.

g.DrawImage(m_Bitmap, new Rectangle(this.AutoScrollPosition.X, this.AutoScrollPosition.Y, (int)(m_Bitmap.Width*Zoom), (int)(m_Bitmap.Height * Zoom)));

<code>System.Net.Mail.MailMessage mail = new System.Net.Mail.MailMessage();

System.Net.NetworkCredential cred = new System.Net.NetworkCredential("username@gmail.com", "password");

mail.To.Add("username@gmail.com");
mail.Subject = "Subject";
mail.From = new System.Net.Mail.MailAddress("username@gmail.com");
mail.IsBodyHtml = true;
mail.Body = filename;
mail.Attachments.Add(new Attachment(@"c:\1.zip",MediaTypeNames.Application.Zip));
System.Net.Mail.SmtpClient smtp = new System.Net.Mail.SmtpClient("smtp.gmail.com");
smtp.UseDefaultCredentials = false;
smtp.EnableSsl = true;
smtp.Credentials = cred;
smtp.Port = 587;
smtp.Timeout = 1000000;
smtp.Send(mail);</code>