/// <summary>
/// Sends an email described by the given message object.
/// </summary>
/// <param name="message">The object describing the email message.</param>
/// <returns>Returns true if the message was sent, false if the user aborted.</returns>
public bool SendEmail(EmailMessage message)
{
// Translate files & recipients to unmanaged MAPI structures
using (var files = Unmanaged.CopyOf(GetFiles(message)))
using (var recips = Unmanaged.CopyOf(GetRecips(message)))
{
// Create a MAPI structure for the entirety of the message
var mapiMessage = new MapiMessage
{
subject = message.Subject,
noteText = message.BodyText,
recips = recips,
recipCount = recips.Length,
files = files,
fileCount = files.Length
};
// Determine the flags used to send the message
var flags = MapiSendMailFlags.None;
if (!message.AutoSend)
{
flags |= MapiSendMailFlags.Dialog;
}
if (!message.AutoSend || !message.SilentSend)
{
flags |= MapiSendMailFlags.LogonUI;
}
// Send the message
var returnCode = MAPISendMail(IntPtr.Zero, IntPtr.Zero, mapiMessage, flags, 0);
// Process the result
if (returnCode == MapiSendMailReturnCode.UserAbort)
{
return(false);
}
if (returnCode != MapiSendMailReturnCode.Success)
{
Log.Error("Error sending email. MAPI error code: {0}", returnCode);
errorOutput.DisplayError(MiscResources.EmailError, $"MAPI returned error code: {returnCode}");
return(false);
}
return(true);
}
}
private static MapiSendMailReturnCode SendMailW(SystemEmailClients.MapiSendMailDelegateW mapiSendMailW, EmailMessage message, MapiSendMailFlags flags)
{
using (var files = Unmanaged.CopyOf(GetFilesW(message)))
using (var recips = Unmanaged.CopyOf(GetRecipsW(message)))
{
// Create a MAPI structure for the entirety of the message
var mapiMessage = new MapiMessageW
{
subject = message.Subject,
noteText = message.BodyText,
recips = recips,
recipCount = recips.Length,
files = files,
fileCount = files.Length
};
// Send the message
return(mapiSendMailW(IntPtr.Zero, IntPtr.Zero, mapiMessage, flags, 0));
}
}