int SendMail(string subject, string body, int how) {
IntPtr vsWindow;
IVsUIShell shell = VsAppShell.Current.GetGlobalService<IVsUIShell>(typeof(SVsUIShell));
shell.GetDialogOwnerHwnd(out vsWindow);
MapiMessage msg = new MapiMessage();
msg.subject = subject;
msg.noteText = body;
msg.recips = GetRecipients(out msg.recipCount);
msg.files = GetAttachments(out msg.fileCount);
ThreadParam p = new ThreadParam() {
Message = msg,
VsWindow = vsWindow,
MapiFlags = how
};
bool success = false;
Thread t = null;
try {
_completed.Reset();
t = new Thread(ThreadProc, 8192);
t.Start(p);
success = _completed.Wait(5000);
} catch (Exception) { }
if (!success) {
if (t != null) {
t.Abort();
}
}
Cleanup(ref msg);
return _result;
}
static extern int MAPISendMail(IntPtr sess, IntPtr hwnd,
MapiMessage message, int flg, int rsv);
void Cleanup(ref MapiMessage msg) {
int size = Marshal.SizeOf(typeof(MapiRecipDesc));
int ptr = 0;
if (msg.recips != IntPtr.Zero) {
ptr = (int)msg.recips;
for (int i = 0; i < msg.recipCount; i++) {
Marshal.DestroyStructure((IntPtr)ptr,
typeof(MapiRecipDesc));
ptr += size;
}
Marshal.FreeHGlobal(msg.recips);
}
if (msg.files != IntPtr.Zero) {
size = Marshal.SizeOf(typeof(MapiFileDesc));
ptr = (int)msg.files;
for (int i = 0; i < msg.fileCount; i++) {
Marshal.DestroyStructure((IntPtr)ptr,
typeof(MapiFileDesc));
ptr += size;
}
Marshal.FreeHGlobal(msg.files);
}
_recipients.Clear();
_attachments.Clear();
_result = (int)MapiErrorCode.MAPI_SUCCESS;
}
