module1.bas

来自「用户MODBUS规约通信编程,起参考作用.」· BAS 代码 · 共 24 行

Attribute VB_Name = "Module1"
Public Declare Function GetVolumeInformation Lib "kernel32" Alias "GetVolumeInformationA" (ByVal lpRootPathName As String, ByVal lpVolumeNameBuffer As String, ByVal nVolumeNameSize As Long, lpVolumeSerial_Numberber As Long, lpMaximumComponentLength As Long, lpFileSystemFlags As Long, ByVal lpFileSystemNameBuffer As String, ByVal nFileSystemNameSize As Long) As Long
Public Const GETDI_SERIAL = 1
Public Const GETDI_LABEL = 2
Public Const GETDI_TYPE = 3
Function GetDriveInfo(strDrive As String, iType As Integer)
    
    Dim Serial_Number As Long
    Dim Drive_Label As String
    Dim Fat_Type As String
    
    Dim Return_Value As Long
    
    Drive_Label = Space(256)
    Fat_Type = Space(256)
    
    Return_Value = GetVolumeInformation(strDrive, Drive_Label, Len(Drive_Label), Serial_Number, 0, 0, Fat_Type, Len(Fat_Type))
    
    GetDriveInfo = CStr(Serial_Number)
    

End Function