vb能否把winsock控件封装到dll中
vb将winsock控件封装到dll问题 有什么好的思路? 如果用Socket API呢?
例如,像下面这样封装Winsock控件,行的通?
创建ActiveX dll,添加窗体frmClient,加入WinSock控件wskClient。
类代码:
Option Explicit
Private objFrm As frmClient
Private WithEvents wskClient As Winsock
Private Sub Class_Initialize()
Set objFrm = New frmClient
Set wskClient = objFrm.wskClient
End Sub
Private Sub Class_Terminate()
Unload objFrm
'wskClient.Close
Set wskClient = Nothing
Set objFrm = Nothing
End Sub
Private Sub wskClient_Close()
On Error GoTo ErrDes
If wskClient.State Then
wskClient.Close
End If
Exit Sub
ErrDes:
MsgBox "关闭连接发生错误:" & Err.Description & "。", vbExclamation, gMsgTitle
End Sub
Private Sub wskClient_Connect()
End Sub
Private Sub wskClient_DataArrival(ByVal bytesTotal As Long)
On Error GoTo ErrDes
Dim strArrival As String
Dim strCommand As String
Dim g_strData As String
wskClient.GetData g_strData
Debug.Print g_strData
ErrDes:
MsgBox Err.Description, vbInformation, "错误提示"
End Sub
Public Function DataSend(
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