int success = QC_SendMessageW(HandleSend, "AccountCompany", 1);

protected override void WndProc(ref Message m)
    {
        // See if a new message is available for collection using QC_GetMessages4()
        if (m.Msg == 1024 && m.WParam.ToInt32() == 1234 && m.LParam.ToInt32() == 5678)
        {
            //get the pending message
            ReceivedMessages = QC_GetMessages4(HandleReceive);

string  AccountName();

public string AccountCompany()
    {
        int success = QC_SendMessageW(HandleSend, "AccountCompany", 1);

        // string s = wait for the receive message to show up in the WndProc method and bring it here

        return s;
    }