不能触发DataArrival事件
以下是代码片段,程序是在一个类中执行的,数据发送成功后就不再执行,请问在类模块中可以使用DataArrival事件吗
工程引用:mswinsck.ocx
Dim WithEvents cmWinsock As MSWinsockLib.Winsock
Private Sub Class_Initialize()
Set cmWinsock = New MSWinsockLib.Winsock
End Sub
Private Sub Class_Terminate()
Set cmWinsock = Nothing
End Sub
Public Function SendCommand() As Boolean
StartTime = Time()
cmWinsock.RemoteHost = m_Host
cmWinsock.RemotePort = m_Port
cmWinsock.Connect
'使用循环等待连接服务器成功
Do While cmWinsock.State <> sckConnected
DoEvents
If DateDiff("s", StartTime, Time()) > 20 Or bCancel = True Or bBusy = False Then
Err.Raise vbObjectError, "Error", "连接服务器超时"
SendCommand = False
Exit Function
End If
Loop
Dim strCommand As String
strCommand = strCommand & "GET " & m_FilePathName & " HTTP/1.1" & vbCrLf
strCommand = strCommand & "Accept: */*" & vbCrLf
strCommand = strCommand & "User-Agent: Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1)" & vbCrLf
strCommand = strCommand & "Host: " & m_Host & vbCrLf
strCommand = strCommand & "Connection: close" & vbCrLf
strCommand = strCommand & vbCrLf
cmWinsock.SendData strCommand
SendCommand = True
End Function
Private Sub cmWinsock_DataArrival(ByVal bytesTotal As Long)
Dim ByteData() As Byte
cmWinsock.GetData ByteData, vbByte
End Sub