第1个回答 推荐于2016-05-12
<DllImport("refprop.dll", CharSet:=CharSet.Auto)> _
Private Shared Sub SETUPdll( _
ByRef i As Long, _
ByVal hfld As String, _
ByVal hfmix As String, _
ByVal hrf As String, _
ByRef ierr As Long, _
ByVal herr As String, _
ByRef ln1 As Long, _
ByRef ln2 As Long, _
ByRef ln3 As Long, _
ByRef ln4 As Long)
End Sub本回答被提问者和网友采纳