ACPAddIn.ThisAddIn.appendLogString C# (CSharp) Method

        private void appendLogString(int vkCode)
        {
            if (isUserActionLogging)
            {
                String currentTime = DateTime.Now.ToString("HH:mm:ss");

                bool hasASyncKey = false;
                String aSyncKey = "";

                if ((Convert.ToBoolean(GetAsyncKeyState((int)Keys.LControlKey)) || Convert.ToBoolean(GetAsyncKeyState((int)Keys.RControlKey))))
                {
                    hasASyncKey = true;
                    aSyncKey = "CTRL";
                }
                else if ((Convert.ToBoolean(GetAsyncKeyState((int)Keys.LMenu))) || Convert.ToBoolean(GetAsyncKeyState((int)Keys.RMenu)))
                {
                    hasASyncKey = true;
                    aSyncKey = "ALT";
                }
                else if ((Convert.ToBoolean(GetAsyncKeyState((int)Keys.LShiftKey)) || Convert.ToBoolean(GetAsyncKeyState((int)Keys.RShiftKey))))
                {
                    hasASyncKey = true;
                    aSyncKey = "SHIFT";
                }

                if (hasASyncKey)
                {
                    if (vkCode != (int)Keys.LControlKey && vkCode != (int)Keys.RControlKey &&
                            vkCode != (int)Keys.LMenu && vkCode != (int)Keys.RMenu &&
                            vkCode != (int)Keys.LShiftKey && vkCode != (int)Keys.RShiftKey)
                    {
                        logContent += aSyncKey + " + " + ((Keys)vkCode).ToString() + ",," + currentTime + "\r";
                        Debug.WriteLine(aSyncKey + " + " + ((Keys)vkCode).ToString() + ",," + currentTime + "\r");
                    }
                }
                else
                {
                    logContent += ((Keys)vkCode).ToString() + ",," + currentTime + "\r";
                    Debug.WriteLine(((Keys)vkCode).ToString() + ",," + currentTime + "\r");
                }
            }
        }