VB ActiveX EXE有关问题

VB ActiveX EXE问题
建了一个ActiveX EXE来监控SQL中某个表的变化,引用ADO,类中有一个ActiveConnection属性用于获取应用程序传递来的Connection,然后在get_data方法中用ADO Command对象执行存储过程,问题就在,给类的ActiveConnection对象赋值时没问题,但在get_data中,把这个ActiveConnection赋值给执行存储过程的Command.ActiveConnection总是出错,传递过来的Connection对象是没问题的,然后我把这个ActiveX Exe修改一下成ActiveX DLL,执行起来却没问题,怎么回事?
下面是ActiveX EXE类中简化的代码(换成ActiveX DLL就没问题了)
VB code

Option Explicit
Private CMD As New ADODB.Command
Private CONN As New ADODB.Connection
Public Property Get ActiveConnection() As ADODB.Connection
    Set ActiveConnection = CONN
End Property
Public Property Set ActiveConnection(vCONN As ADODB.Connection)
    Set CONN = vCONN
    Set CMD.ActiveConnection = CONN
End Property
Public Sub getData()
    Dim TEMPCMD As New ADODB.Command
    On Error GoTo ErrorHand
    With TEMPCMD
[color=#FF0000]        Set .ActiveConnection = CONN[/color] '调试到这行出错
        MsgBox "设置连接成功"
        .CommandType = 4
        .CommandText = "test"
        .Execute
    End With
    Exit Sub
ErrorHand:
    MsgBox Err.Number, Err.Description
End Sub




------解决方案--------------------
不要想当然的把一个本地的连接对象传给远程对象去使用。