我正在开发一个C＃.net windows应用程序。我在我的项目中使用了zkemkeeper DLL。 所以我想连接到Device。当我运行项目时。我得到以下异常。
其他信息：由于以下错误，检索具有CLSID {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)
{
}
}
}