Connect to the device via USB ports. This function is used for communicating with H-series devices via USB ports instead of USB client. For communication via USB client, see Connect_Com.
Device number
Return True if it is successful, or return False.
Disconnect, Connect_Net, Connect_Com
//Create Standalone SDK class dynamicly.
zkemkeeper.CZKEMClass axCZKEM1 = new zkemkeeper.CZKEMClass();
int idwErrorCode = 0;
//the boolean value identifies whether the device is connected
bool bIsConnected = false;
int iMachineNumber = 1;
bool USBClientcommon = true;
//connect the device via the virtual serial port created by USB
bool virtualPort = true;
if (USBClientcommon)//the common USBClient
{
//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.
iMachineNumber = 1;
bIsConnected = axCZKEM1.Connect_USB(iMachineNumber);
}
else
if (virtualPort)//connect the device via the virtual serial port created by USB
{
string sCom = "";
bool bSearch = SearchforCom(ref sCom);
if (bSearch == false)
{
MessageBox.Show("Can not find the virtual serial port that can be used", "Error");
return;
}
int iPort;
for (iPort = 1; iPort < 10; iPort++)
if (sCom.IndexOf(iPort.ToString()) > -1)
break;
if (iMachineNumber == 0 || iMachineNumber > 255)
{
MessageBox.Show("The Machine Number is invalid!", "Error");
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)
{
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");
}
'Create Standalone SDK class dynamicly.
Dim axCZKEM1 As zkemkeeper.CZKEMClass = New zkemkeeper.CZKEMClass()
Dim idwErrorCode As Integer = 0
'the boolean value identifies whether the device Is connected
Dim bIsConnected As Boolean = False
Dim iMachineNumber As Integer = 1
Dim USBClientcommon As Boolean = True
'connect the device via the virtual serial port created by USB
Dim virtualPort As Boolean = True
If USBClientcommon = True Then '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 virtualPort = True Then 'connect the device via the virtual serial port created by USB
Dim sCom As String = ""
Dim bSearch As Boolean
Dim iPort As Integer
bSearch = SearchforCom(sCom)
If bSearch = False Then
MsgBox("Can not find the virtual serial port that can be used", MsgBoxStyle.Exclamation, "Error")
Return
End If
For iPort = 1 To 9
If sCom.IndexOf(iPort.ToString()) > -1 Then
Exit For
End If
Next
If iMachineNumber = 0 Or iMachineNumber > 255 Then
MsgBox("The Machine Number is invalid!", MsgBoxStyle.Exclamation, "Error")
Cursor = Cursors.Default
Return
End If
Dim iBaudRate = 115200 '115200 is one possible baudrate value(its value cannot be 0)
bIsConnected = axCZKEM1.Connect_Com(iPort, iMachineNumber, iBaudRate)
End If
End If
If bIsConnected = True Then
'Here you can register the realtime events that you want
axCZKEM1.RegEvent(iMachineNumber, 65535)
Else
axCZKEM1.GetLastError(idwErrorCode)
MsgBox("Unable to connect the device,ErrorCode=" & idwErrorCode.ToString(), MsgBoxStyle.Exclamation, "Error")
End If