C# 错误System.Runtime.InteropServices.COMException'；发生在AttLogs.exe中

我正在开发一个C#.net windows应用程序。我在我的项目中使用zkemkeeper DLL。 所以我想连接到设备。当我运行项目时，我得到以下异常

其他信息：由于以下错误，检索CLSID为{00853A19-BD51-419B-9269-2DABE57EB61F}的组件的COM类工厂失败：80040154。 请帮我解决这个问题

代码：

/**********************************************************
 * Demo for Standalone SDK.Created by Darcy on Oct.15 2009*
***********************************************************/
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;

namespace AttLogs
{
    public partial class AttLogsMain : Form
    {
        public AttLogsMain()
        {
            InitializeComponent();
        }
        //Create Standalone SDK class dynamicly.
        public zkemkeeper.CZKEMClass axCZKEM1 = new zkemkeeper.CZKEMClass();

        /********************************************************************************************************************************************
        * Before you refer to this demo,we strongly suggest you read the development manual deeply first.                                           *
        * This part is for demonstrating the communication with your device.There are 3 communication ways: "TCP/IP","Serial Port" and "USB Client".*
        * The communication way which you can use duing to the model of the device.                                                                 *
        * *******************************************************************************************************************************************/
        #region Communication
        private bool bIsConnected = false;//the boolean value identifies whether the device is connected
        private int iMachineNumber = 1;//the serial number of the device.After connecting the device ,this value will be changed.

        //If your device supports the TCP/IP communications, you can refer to this.
        //when you are using the tcp/ip communication,you can distinguish different devices by their IP address.
        private void btnConnect_Click(object sender, EventArgs e)
        {
            if (txtIP.Text.Trim() == "" || txtPort.Text.Trim() == "")
            {
                MessageBox.Show("IP and Port cannot be null", "Error");
                return;
            }
            int idwErrorCode = 0;

            Cursor = Cursors.WaitCursor;
            if (btnConnect.Text == "DisConnect")
            {
                axCZKEM1.Disconnect();
                bIsConnected = false;
                btnConnect.Text = "Connect";
                lblState.Text = "Current State:DisConnected";
                Cursor = Cursors.Default;
                return;
            }

            bIsConnected = axCZKEM1.Connect_Net(txtIP.Text, Convert.ToInt32(txtPort.Text));
            if (bIsConnected == true)
            {
                btnConnect.Text = "DisConnect";
                btnConnect.Refresh();
                lblState.Text = "Current State:Connected";
                iMachineNumber = 1;//In fact,when you are using the tcp/ip communication,this parameter will be ignored,that is any integer will all right.Here we use 1.
                axCZKEM1.RegEvent(iMachineNumber, 65535);//Here you can register the realtime events that you want to be triggered(the parameters 65535 means registering all)
            }
            else
            {
                axCZKEM1.GetLastError(ref idwErrorCode);
                MessageBox.Show("Unable to connect the device,ErrorCode=" + idwErrorCode.ToString(), "Error");
            }
            Cursor = Cursors.Default;
        }

        //If your device supports the SerialPort communications, you can refer to this.
        private void btnRsConnect_Click(object sender, EventArgs e)
        {
            if (cbPort.Text.Trim() == "" || cbBaudRate.Text.Trim() == "" || txtMachineSN.Text.Trim() == "")
            {
                MessageBox.Show("Port,BaudRate and MachineSN cannot be null", "Error");
                return;
            }
            int idwErrorCode = 0;
            //accept serialport number from string like "COMi"
            int iPort;
            string sPort = cbPort.Text.Trim();
            for (iPort = 1; iPort < 10; iPort++)
            {
                if (sPort.IndexOf(iPort.ToString()) > -1)
                {
                    break;
                }
            }

            Cursor = Cursors.WaitCursor;
            if (btnRsConnect.Text == "Disconnect")
            {
                axCZKEM1.Disconnect();
                bIsConnected = false;
                btnRsConnect.Text = "Connect";
                btnRsConnect.Refresh();
                lblState.Text = "Current State:Disconnected";
                Cursor = Cursors.Default;
                return;
            }

            iMachineNumber = Convert.ToInt32(txtMachineSN.Text.Trim());//when you are using the serial port communication,you can distinguish different devices by their serial port number.
            bIsConnected = axCZKEM1.Connect_Com(iPort, iMachineNumber, Convert.ToInt32(cbBaudRate.Text.Trim()));

            if (bIsConnected == true)
            {
                btnRsConnect.Text = "Disconnect";
                btnRsConnect.Refresh();
                lblState.Text = "Current State:Connected";

                axCZKEM1.RegEvent(iMachineNumber, 65535);//Here you can register the realtime events that you want to be triggered(the parameters 65535 means registering all)
            }
            else
            {
                axCZKEM1.GetLastError(ref idwErrorCode);
                MessageBox.Show("Unable to connect the device,ErrorCode=" + idwErrorCode.ToString(), "Error");
            }

            Cursor = Cursors.Default;
        }

        //If your device supports the USBCLient, you can refer to this.
        //Not all series devices can support this kind of connection.Please make sure your device supports USBClient.
        private void btnUSBConnect_Click(object sender, EventArgs e)
        {
            int idwErrorCode = 0;

            Cursor = Cursors.WaitCursor;

            if (btnUSBConnect.Text == "Disconnect")
            {
                axCZKEM1.Disconnect();
                bIsConnected = false;
                btnUSBConnect.Text = "Connect";
                btnUSBConnect.Refresh();
                lblState.Text = "Current State:Disconnected";
                Cursor = Cursors.Default;
                return;
            }

            if (rbUSB.Checked == true)//the common USBClient
            {
                iMachineNumber = 1;//In fact,when you are using common USBClient communication,parameter Machinenumber will be ignored,that is any integer will all right.Here we use 1.
                bIsConnected = axCZKEM1.Connect_USB(iMachineNumber);
            }
            else
                if (rbVUSB.Checked == true)//connect the device via the virtual serial port created by USB
                {
                    SearchforUSBCom usbcom = new SearchforUSBCom();
                    string sCom = "";
                    bool bSearch = usbcom.SearchforCom(ref sCom);//modify by Darcy on Nov.26 2009
                    if (bSearch == false)//modify by Darcy on Nov.26 2009
                    {
                        MessageBox.Show("Can not find the virtual serial port that can be used", "Error");
                        Cursor = Cursors.Default;
                        return;
                    }

                    int iPort;
                    for (iPort = 1; iPort < 10; iPort++)
                    {
                        if (sCom.IndexOf(iPort.ToString()) > -1)
                        {
                            break;
                        }
                    }

                    iMachineNumber = Convert.ToInt32(txtMachineSN2.Text.Trim());
                    if (iMachineNumber == 0 || iMachineNumber > 255)
                    {
                        MessageBox.Show("The Machine Number is invalid!", "Error");
                        Cursor = Cursors.Default;
                        return;
                    }

                    int iBaudRate = 115200;//115200 is one possible baudrate value(its value cannot be 0)
                    bIsConnected = axCZKEM1.Connect_Com(iPort, iMachineNumber, iBaudRate);
                }

            if (bIsConnected == true)
            {
                btnUSBConnect.Text = "Disconnect";
                btnUSBConnect.Refresh();
                lblState.Text = "Current State:Connected";
                axCZKEM1.RegEvent(iMachineNumber, 65535);//Here you can register the realtime events that you want to be triggered(the parameters 65535 means registering all)
            }
            else
            {
                axCZKEM1.GetLastError(ref idwErrorCode);
                MessageBox.Show("Unable to connect the device,ErrorCode=" + idwErrorCode.ToString(), "Error");
            }

            Cursor = Cursors.Default;
        }

        private void rbVUSB_CheckedChanged(object sender, EventArgs e)
        {
            if (rbVUSB.Checked == true)
            {
                if (bIsConnected == true)
                {
                    MessageBox.Show("Invalid Operation!", "Error");
                    rbVUSB.Checked = false;
                    return;
                }
                rbUSB.Checked = false;
                txtMachineSN2.Enabled = true;
            }
        }

        private void rbUSB_CheckedChanged(object sender, EventArgs e)
        {
            if (rbUSB.Checked == true)
            {
                if (bIsConnected == true)
                {
                    MessageBox.Show("Invalid Operation!", "Error");
                    rbUSB.Checked = false;
                    return;
                }
                rbVUSB.Checked = false;
                txtMachineSN2.Enabled = false;
            }
        }

        #endregion

        /*************************************************************************************************
        * Before you refer to this demo,we strongly suggest you read the development manual deeply first.*
        * This part is for demonstrating operations with(read/get/clear) the attendance records.         *
        * ************************************************************************************************/
        #region AttLogs

        //Download the attendance records from the device.
        private void btnGetGeneralLogData_Click(object sender, EventArgs e)
        {
            if (bIsConnected == false)
            {
                MessageBox.Show("Please connect the device first", "Error");
                return;
            }

            int idwTMachineNumber=0;
            int idwEnrollNumber = 0;
            int idwEMachineNumber=0;
            int idwVerifyMode=0;
            int idwInOutMode=0;
            int idwYear=0;
            int idwMonth=0;
            int idwDay=0;
            int idwHour=0;
            int idwMinute=0;

            int idwErrorCode=0;
            int iGLCount = 0;
            int iIndex = 0;

            Cursor = Cursors.WaitCursor;
            lvLogs.Items.Clear();
            axCZKEM1.EnableDevice(iMachineNumber, false);//disable the device
            if (axCZKEM1.ReadGeneralLogData(iMachineNumber))//read all the attendance records to the memory
            {
                while (axCZKEM1.GetGeneralLogData(iMachineNumber, ref idwTMachineNumber, ref idwEnrollNumber,
                        ref idwEMachineNumber, ref idwVerifyMode, ref idwInOutMode, ref idwYear, ref idwMonth, ref idwDay, ref idwHour, ref idwMinute))//get records from the memory
                {
                    iGLCount++;
                    lvLogs.Items.Add(iGLCount.ToString());
                    lvLogs.Items[iIndex].SubItems.Add(idwEnrollNumber.ToString());
                    lvLogs.Items[iIndex].SubItems.Add(idwVerifyMode.ToString());
                    lvLogs.Items[iIndex].SubItems.Add(idwInOutMode.ToString());
                    lvLogs.Items[iIndex].SubItems.Add(idwYear.ToString() + "-" + idwMonth.ToString() + "-" + idwDay.ToString() + " " + idwHour.ToString() + ":" + idwMinute.ToString());
                    iIndex++;
                }
            }
            else
            {
                Cursor = Cursors.Default;
                axCZKEM1.GetLastError(ref idwErrorCode);

                if (idwErrorCode != 0)
                {
                    MessageBox.Show("Reading data from terminal failed,ErrorCode: " + idwErrorCode.ToString(),"Error");
                }
                else
                {
                    MessageBox.Show("No data from terminal returns!","Error");
                }
            }
            axCZKEM1.EnableDevice(iMachineNumber, true);//enable the device
            Cursor = Cursors.Default;
        }

        //Download the attendance records from the device.
        //The returned time is in strings(different from function GetGeneralLogData)
        private void btnGetGeneralLogDataStr_Click(object sender, EventArgs e)
        {
            if (bIsConnected == false)
            {
                MessageBox.Show("Please connect the device first", "Error");
                return;
            }          
            int idwErrorCode = 0;

            int idwEnrollNumber = 0;
            int idwVerifyMode = 0;
            int idwInOutMode = 0;
            string sTime = "";

            int iGLCount = 0;
            int iIndex = 0;

            Cursor = Cursors.WaitCursor;
            lvLogs.Items.Clear();
            axCZKEM1.EnableDevice(iMachineNumber, false);//disable the device
            if (axCZKEM1.ReadGeneralLogData(iMachineNumber))//read the records to the memory
            {
                while (axCZKEM1.GetGeneralLogDataStr(iMachineNumber, ref idwEnrollNumber, ref idwVerifyMode, ref idwInOutMode, ref sTime))//get the records from memory
                {
                    iGLCount++;
                    lvLogs.Items.Add(iGLCount.ToString());
                    lvLogs.Items[iIndex].SubItems.Add(idwEnrollNumber.ToString());
                    lvLogs.Items[iIndex].SubItems.Add(idwVerifyMode.ToString());
                    lvLogs.Items[iIndex].SubItems.Add(idwInOutMode.ToString());
                    lvLogs.Items[iIndex].SubItems.Add(sTime);
                    iIndex++;
                }
　　        }
            else
            {
                Cursor = Cursors.Default;
                axCZKEM1.GetLastError(ref idwErrorCode);

                if (idwErrorCode != 0)
                {
                    MessageBox.Show("Reading data from terminal failed,ErrorCode: " + idwErrorCode.ToString(), "Error");
                }
                else
                {
                    axCZKEM1.GetLastError(ref idwErrorCode);
                    MessageBox.Show("Operation failed,ErrorCode=" + idwErrorCode.ToString(), "Error");
                }
            }
            axCZKEM1.EnableDevice(iMachineNumber, true);//enable the device
            Cursor = Cursors.Default;
        }

        //Download the attendance records from the device.
        //"GetGeneralExtLogData" is an enhanced function of the function GetGeneralLogData, but it is compatible with GetGeneralLogData. 
        //Some machines have the WorkCode function; this function can gain the WorkCode when user passes the virification.
        private void btnGetGeneralExtLogData_Click(object sender, EventArgs e)
        {
            if (bIsConnected == false)
            {
                MessageBox.Show("Please connect the device first", "Error");
                return;
            }

            int idwErrorCode = 0;

            int idwEnrollNumber = 0;
            int idwVerifyMode = 0;
            int idwInOutMode = 0;

            int idwYear = 0;
            int idwMonth = 0;
            int idwDay = 0;
            int idwHour = 0;
            int idwMinute = 0;
            int idwSecond = 0;
            int idwWorkCode = 0;
            int idwReserved = 0;

            int iGLCount = 0;
            int iIndex = 0;

            Cursor = Cursors.WaitCursor;
            lvLogs.Items.Clear();
            axCZKEM1.EnableDevice(iMachineNumber, false);//disable the device
            if (axCZKEM1.ReadGeneralLogData(iMachineNumber))//read all the attendance records to the memory
            {
                while (axCZKEM1.GetGeneralExtLogData(iMachineNumber, ref idwEnrollNumber, ref idwVerifyMode, ref idwInOutMode,
                         ref idwYear, ref idwMonth, ref idwDay, ref idwHour, ref idwMinute, ref idwSecond, ref idwWorkCode, ref idwReserved))//get records from the memory
                {
                    iGLCount++;
                    lvLogs.Items.Add(iGLCount.ToString());
                    lvLogs.Items[iIndex].SubItems.Add(idwEnrollNumber.ToString());
                    lvLogs.Items[iIndex].SubItems.Add(idwVerifyMode.ToString());
                    lvLogs.Items[iIndex].SubItems.Add(idwInOutMode.ToString());
                    lvLogs.Items[iIndex].SubItems.Add(idwYear.ToString() + "-" + idwMonth.ToString() + "-" + idwDay.ToString() + " " + idwHour.ToString() + ":" + idwMinute.ToString() + ":" + idwSecond.ToString());
                    lvLogs.Items[iIndex].SubItems.Add(idwWorkCode.ToString());
                    lvLogs.Items[iIndex].SubItems.Add(idwReserved.ToString());
                    iIndex++;
                }
            }
            else
            {
                Cursor = Cursors.Default;
                axCZKEM1.GetLastError(ref idwErrorCode);

                if (idwErrorCode != 0)
                {
                    MessageBox.Show("Reading data from terminal failed,ErrorCode: " + idwErrorCode.ToString(), "Error");
                }
                else
                {
                    MessageBox.Show("No data from terminal returns!", "Error");
                }
            }
            axCZKEM1.EnableDevice(iMachineNumber, true);//enable the device
            Cursor = Cursors.Default;
        }

        //Clear all attendance records from terminal.
        private void btnClearGLog_Click(object sender, EventArgs e)
        {
            if (bIsConnected == false)
            {
                MessageBox.Show("Please connect the device first", "Error");
                return;
            }
            int idwErrorCode = 0;

            lvLogs.Items.Clear();
            axCZKEM1.EnableDevice(iMachineNumber, false);//disable the device
            if (axCZKEM1.ClearGLog(iMachineNumber))
            {
                axCZKEM1.RefreshData(iMachineNumber);//the data in the device should be refreshed
                MessageBox.Show("All att Logs have been cleared from teiminal!", "Success");
            }
            else
            {
                axCZKEM1.GetLastError(ref idwErrorCode);
                MessageBox.Show("Operation failed,ErrorCode=" + idwErrorCode.ToString(), "Error");
            }
            axCZKEM1.EnableDevice(iMachineNumber, true);//enable the device
        }

        //Get the count of attendance records in from ternimal.
        private void btnGetDeviceStatus_Click(object sender, EventArgs e)
        {
            if (bIsConnected == false)
            {
                MessageBox.Show("Please connect the device first", "Error");
                return;
            }
            int idwErrorCode = 0;
            int iValue = 0;

            axCZKEM1.EnableDevice(iMachineNumber, false);//disable the device
            if (axCZKEM1.GetDeviceStatus(iMachineNumber, 6, ref iValue)) //Here we use the function "GetDeviceStatus" to get the record's count.The parameter "Status" is 6.
            {
                MessageBox.Show("The count of the AttLogs in the device is " + iValue.ToString(), "Success");
            }
            else
            {
                axCZKEM1.GetLastError(ref idwErrorCode);
                MessageBox.Show("Operation failed,ErrorCode=" + idwErrorCode.ToString(), "Error");
            }
            axCZKEM1.EnableDevice(iMachineNumber, true);//enable the device
        }
        #endregion

        private void AttLogsMain_Load(object sender, EventArgs e)
        {

        }
    }
} 

/**********************************************************
*Darcy于2009年10月15日创建的独立SDK演示*
***********************************************************/
使用制度；
使用System.Collections.Generic；
使用系统组件模型；
使用系统数据；
使用系统图；
使用系统文本；
使用System.Windows.Forms；
命名空间日志
{
公共部分类AttLogsMain:表单
{
公共交通管理局局长（）
{
初始化组件（）；
}
//动态创建独立的SDK类。
public zkemceper.CZKEMClass axCZKEM1=新的zkemceper.CZKEMClass（）；
/********************************************************************************************************************************************
*在您参考本演示之前，我们强烈建议您先深入阅读开发手册*
*本部分用于演示与设备的通信。有3种通信方式：“TCP/IP”、“串行端口”和“USB客户端”*
*您可以根据设备型号使用的通信方式*
* *******************************************************************************************************************************************/
#区域通信
private bool bisconned=false；//布尔值标识设备是否已连接
private int-iMachineNumber=1；//设备的序列号。连接设备后，此值将被更改。
//如果您的设备支持TCP/IP通信，您可以参考此。
//当您使用tcp/ip通信时，您可以通过ip地址区分不同的设备。
私有void btnConnect_单击（对象发送者，事件参数e）
{
如果（txtIP.Text.Trim（）=“”| | txtPort.Text.Trim（）=“”）
{
MessageBox.Show（“IP和端口不能为null”，“错误”）；
返回；
}
int-idwErrorCode=0；
Cursor=Cursors.WaitCursor；
如果（btnConnect.Text==“断开”）
{
axCZKEM1.断开（）；
双连通=假；
btnConnect.Text=“Connect”；
lblState.Text=“当前状态：已断开”；
游标=游标。默认值；
返回；
}
bisconned=axCZKEM1.Connect_Net（txtIP.Text，Convert.ToInt32（txtPort.Text））；
if（bIsConnected==true）
{
btnConnect.Text=“断开”；
btnConnect.Refresh（）；
lblState.Text=“当前状态：已连接”；
iMachineNumber=1；//实际上，当您使用tcp/ip通信时，此参数将被忽略，即任何整数都可以。这里我们使用1。
axCZKEM1.RegEvent（iMachineNumber，65535）；//这里可以注册要触发的实时事件（参数65535表示注册所有）
}
其他的
{
axCZKEM1.GetLastError（参考idwErrorCode）；
MessageBox.Show（“无法连接设备，错误代码=“+idwErrorCode.ToString（），“错误”）；
}
游标=游标。默认值；
}
//如果您的设备支持串行端口通信，则可以参考此。
私有void btnRsConnect\u单击（对象发送者，事件参数e）
{
如果（cbPort.Text.Trim（）=“”| | cbBaudRate.Text.Trim（）=“”| | txtMachineSN.Text.Trim（）=“”）
{
MessageBox.Show（“端口、波特率和机器数不能为空”、“错误”）；
返回；
}
int-idwErrorCode=0；
//从类似“COMi”的字符串中接受串行端口号
国际机场；
字符串sPort=cbPort.Text.Trim（）；
用于（iPort=1；iPort<10；iPort++）
{
if（sPort.IndexOf（iPort.ToString（））>-1）
{
打破
}
}
Cursor=Cursors.WaitCursor；
如果（btnRsConnect.Text==“断开”）
{
axCZKEM1.断开（）；
双连通=假；
btnRsConnect.Text=“连接”；
btnRsConnect.Refresh（）；
lblState.Text=“当前状态：已断开”；
游标=游标。默认值；
返回；
}
iMachineNumber=Convert.ToInt32（txtMachineSN.Text.Trim（））；//当您使用串行端口通信时，您可以通过其串行端口号来区分不同的设备。
bisconned=axCZKEM1.Connect_Com（iPort，iMachineNumber，Convert.ToInt32（cbBaudRate.Text.Trim（））；
if（bIsConnected==true）
{
btnRsConnect.Text=“断开”；
btnRsConnect.Refresh（）；
lblState.Text=“当前状态：已连接”；
axCZKEM1.RegEvent（iMachineNumber，65535）；//这里可以注册要触发的实时事件（参数65535表示注册所有）
}
其他的
{
axCZKEM1.GetLastError（参考idwErrorCode）；
MessageBox.Show（“无法连接设备，错误代码=“+idwErrorCode.ToString（），“错误”）；
}