Email Attachments from In-Memory String and Byte Arrays

Download Chilkat .NET for 2.0 / 3.5 Framework

Download Chilkat .NET for 1.0 / 1.1 Framework

C# source code showing how to add email attachments from in-memory strings and byte arrays.

bool success = false;

// Create a mailman object for sending email.
Chilkat.MailMan mailman = new Chilkat.MailMan();

// Any string argument automatically begins the 30-day trial.
mailman.UnlockComponent("30-day trial");

// Set the SMTP server.
mailman.SmtpHost = "smtp.earthlink.net";

// Create an email object
Chilkat.Email email = new Chilkat.Email();

// Add two attachments from in-memory data.
// One from a byte array, the other from a string.
email.AddStringAttachment("something.txt","This is the attached file contents");

byte [] byteData = new byte[10];
int i;
for (i=0; i<10; i++) byteData[i] = (byte)i;
email.AddDataAttachment("something.dat",byteData);

// Set the basic email stuff: body, subject, "from", "to"
email.Body = "This is the email body";
email.Subject = "This is an email with an attachment.";
email.AddTo("Chilkat Support","support@chilkatsoft.com");
email.From = "Programmer <programmer@chilkatsoft.com>";

success = mailman.SendEmail(email);
if (!success)
{
	MessageBox.Show(mailman.LastErrorText);
	return;
}

Important: The download for this example does not contain the ChilkatDotNet.dll which
must be downloaded and installed separately at http://www.chilkatsoft.com/downloads.asp.
Once installed, add a reference to the DLL in the project by following the instructions at
http://www.example-code.com/vbdotnet/step2.asp