frmhint.frm

一个小型管理系统.~!!不同的用户拥有不同的权限

VERSION 5.00
Begin VB.Form FrmHint 
   Caption         =   "帮助"
   ClientHeight    =   5640
   ClientLeft      =   60
   ClientTop       =   450
   ClientWidth     =   5520
   LinkTopic       =   "Form1"
   ScaleHeight     =   5640
   ScaleWidth      =   5520
   StartUpPosition =   3  '窗口缺省
   Begin VB.CommandButton cmdOK 
      Cancel          =   -1  'True
      Caption         =   "确定"
      Default         =   -1  'True
      Height          =   375
      Left            =   3675
      TabIndex        =   4
      Top             =   5040
      Width           =   1455
   End
   Begin VB.CommandButton cmdNextHint 
      Caption         =   "下一条提示(&N)"
      Height          =   375
      Left            =   2040
      TabIndex        =   3
      Top             =   5040
      Width           =   1455
   End
   Begin VB.PictureBox Picture1 
      BackColor       =   &H80000009&
      Height          =   4815
      Left            =   240
      ScaleHeight     =   4755
      ScaleWidth      =   4875
      TabIndex        =   0
      Top             =   120
      Width           =   4935
      Begin VB.Label lblHintText 
         BackColor       =   &H80000009&
         Height          =   4095
         Left            =   120
         TabIndex        =   2
         Top             =   600
         Width           =   4695
      End
      Begin VB.Label Label1 
         BackColor       =   &H80000009&
         Caption         =   "你知道吗?..."
         Height          =   375
         Left            =   120
         TabIndex        =   1
         Top             =   120
         Width           =   2055
      End
   End
End
Attribute VB_Name = "FrmHint"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
Option Explicit
' 内存中的提示数据库。
Dim Hints As New Collection
' 提示文件名称
Const Hint_FILE = "HotelManager.txt"
' 当前正在显示的提示集合的索引。
Dim CurrentHint As Long
Dim ShowAtStartup As Long
Private Sub DoNextHint()
' 按顺序提示
  CurrentHint = CurrentHint + 1
  If Hints.Count < CurrentHint Then
      CurrentHint = 1
  End If
' 显示它。
  FrmHint.DisplayCurrentHint
End Sub
Function LoadHints(sFile As String) As Boolean
  Dim NextHint As String   ' 从文件中读出的每条提示。
  Dim InFile As Integer   ' 文件的描述符。
  ' 包含下一个自由文件描述符。
  InFile = FreeFile
  ' 确定为指定文件。
  If sFile = "" Then
      LoadHints = False
      Exit Function
  End If
  ' 在打开前确保文件存在。
  If Dir(sFile) = "" Then
      LoadHints = False
      Exit Function
  End If
  ' 从文本文件中读取集合。
  Open sFile For Input As InFile
  While Not EOF(InFile)
      Line Input #InFile, NextHint
      Hints.Add NextHint
  Wend
  Close InFile
  ' 显示一条提示。
  DoNextHint
  LoadHints = True
End Function

Private Sub cmdNextHint_Click()
  '显示下一条提示
  DoNextHint
  lblHintText.Caption = Hints.Item(CurrentHint)

End Sub

Private Sub Form_Load()
  ' 查看在启动时是否显示
  ShowAtStartup = GetSetting(App.EXEName, "Options", "在启动时显示提示", 1)
  ' 读取注册表内计数的值
  FrmHint.DisplayCurrentHint
  ' 读取提示文件并且随机显示一条提示。
  If LoadHints(App.Path & "\" & Hint_FILE) = False Then
     lblHintText.Caption = "文件 " & Hint_FILE & " 没有被找到吗? " & vbCrLf & vbCrLf & _
         "创建文本文件名为 " & Hint_FILE & " 使用记事本每行写一条提示。 " & _
         "然后将它存放在应用程序所在的目录 "
  End If
End Sub
Public Sub DisplayCurrentHint()
  If Hints.Count > 0 Then
     lblHintText.Caption = Hints.Item(CurrentHint)
  End If
End Sub
Private Sub Form_Unload(Cancel As Integer)
  Frmmain.Enabled = True
End Sub

Private Sub cmdOK_Click()
  Unload Me
  Frmmain.Enabled = True
End Sub