Open the Outlook mail interface and send an email

Private void SendMailAttach (string to, string bcc, string subject, string body, bool html, string FileNameforEMail)
{
Outlook. _ Application oApp = new Outlook. Application ();

Outlook. NameSpace oNameSpace = oApp. GetNamespace ("MAPI ");

Try
{
ONameSpace. Logon (Missing. Value, Missing. Value, true, true );

Outlook. MAPIFolder oOutboxFolder = oNameSpace. GetDefaultFolder (Outlook. OlDefaultFolders. olFolderSentMail );

Outlook. ApplicationClass a = new Outlook. ApplicationClass ();

Outlook. MailItemClass tt;

Tt = (Outlook. MailItemClass) a. CreateItem (OlItemType. olMailItem );

Tt. To =;
Tt. CC = bcc;

Tt. Subject = subject;

If (html)
{
Tt. HTMLBody = body;
}
Else
{
Tt. Body = body;
}

Tt. SaveSentMessageFolder = oOutboxFolder;

Tt. Attachments. Add (FileNameforEMail, Missing. Value );

Tt. Display (null );
}
Finally
{
ONameSpace. Logoff ();

}

}