ระบบ login vb6
[[hide=5]code]Private Declare Function GetUserName Lib "advapi32.dll" Alias "GetUserNameA" (ByVal lpbuffer As String, nSize As Long) As Long


Public OK As Boolean
Private Sub Form_Load()
Dim sBuffer As String
Dim lSize As Long


sBuffer = Space$(255)
lSize = Len(sBuffer)
Call GetUserName(sBuffer, lSize)
If lSize > 0 Then
txtUserName.Text = Left$(sBuffer, lSize)
Else
txtUserName.Text = vbNullString
End If
End Sub



Private Sub cmdCancel_Click()
OK = False
Me.Hide
End Sub


Private Sub cmdOK_Click()
'ToDo: create test for correct password
'check for correct password
If txtPassword.Text = "ส่วนนี้ใส่พาส" Then
OK = True
Me.Hide
Else
MsgBox "รหัสผ่านผิดพลาดกรุณากรอกใหม่", , "Login"
txtPassword.SetFocus
txtPassword.SelStart = 0
txtPassword.SelLength = Len(txtPassword.Text)
End If
End Sub[/code]
อันนี้ใส่ใน module
[code]Sub Main()