Private Declare Function SusiIOCountEx Lib "Susi.dll" (ByRef L1 As Long, ByRef L2 As Long) As BooleanByval是值调用，Byref才是地址调用，Dword *传递的是地址指针，要用byref才正确。
请注意看它的两个参数是输出参数SusiIOCountEx
