VB登录界面设计代码

Option Explicit

'窗口始终在最前

Public Declare Function SetWindowPos Lib "user32" (ByVal hwnd As Long, ByVal hWndInsertAfter As Long, ByVal x As Long, ByVal y As Long, ByVal cx As Long, ByVal cy As Long, ByVal wFlags As Long) As Long
Public Const HWND_TOPMOST& = -1
' 将窗口置于列表顶部，并位于任何最顶部窗口的前面
Public Const SWP_NOSIZE& = &H1
' 保持窗口大小
Public Const SWP_NOMOVE& = &H2

Dim cnn As ADODB.Connection
Dim rs As ADODB.Recordset
Dim strSQL As String

Dim LoginSuccess(0 To 5)

Private Sub Command1_Click(Index As Integer)

    Select Case Index
        Case 0
           
            If Me.DataCombo1.Text = "" Or Text1.Text = "" Then   '当用户名或密码未填时，提示错误