private int ShowMail(EventWaitHandle waitHandle)
{
var message = new Mapi.MapiMessage();
int errorCode;
using (var recipientCollectionHandle = Recipients.GetHandle())
using (var attachmentCollectionHandle = Attachments.GetHandle())
{
message.Subject = Subject;
message.NoteText = Body;
message.Recipients = recipientCollectionHandle;
message.RecipientCount = Recipients.Count;
message.Files = attachmentCollectionHandle;
message.FileCount = Attachments.Count;
// Signal the creating thread (make the remaining code async)
if (waitHandle != null)
{
waitHandle.Set();
}
//blocking call, waits till the mail message dialog closes
errorCode = Mapi.MAPISendMail(IntPtr.Zero, IntPtr.Zero, message, Mapi.MAPI_DIALOG, 0);
}
OnSendMailComplete(errorCode);
return(errorCode);
}
private void ShowMail(object parameter)
{
var manualResetEvent = parameter as ManualResetEvent;
int error = ShowMail(manualResetEvent);
// Check for error
if (error > Mapi.MAPI_USER_ABORT)
{
string errorMessage = Mapi.GetError(error);
Debug.WriteLine(errorMessage);
}
}