VERSION 5.00
Begin VB.Form frmAbout 
   BackColor       =   &H00808000&
   BorderStyle     =   3  'Fixed Dialog
   Caption         =   "關(guān)于..."
   ClientHeight    =   2040
   ClientLeft      =   2340
   ClientTop       =   1935
   ClientWidth     =   5730
   ClipControls    =   0   'False
   ControlBox      =   0   'False
   LinkTopic       =   "Form2"
   LockControls    =   -1  'True
   MaxButton       =   0   'False
   MDIChild        =   -1  'True
   MinButton       =   0   'False
   ScaleHeight     =   1408.044
   ScaleMode       =   0  'User
   ScaleWidth      =   5380.766
   ShowInTaskbar   =   0   'False
   Begin VB.PictureBox FramePicture 
      AutoRedraw      =   -1  'True
      BackColor       =   &H00C0C0C0&
      Height          =   1080
      Left            =   105
      ScaleHeight     =   1020
      ScaleWidth      =   5445
      TabIndex        =   3
      Top             =   105
      Width           =   5505
      Begin VB.Image Logo 
         Height          =   480
         Left            =   360
         Top             =   285
         Width           =   480
      End
      Begin VB.Label lblVersion 
         BackStyle       =   0  'Transparent
         Caption         =   "版本"
         ForeColor       =   &H00008000&
         Height          =   225
         Left            =   2010
         TabIndex        =   5
         Top             =   750
         Width           =   1980
      End
      Begin VB.Label lblTitle 
         BackStyle       =   0  'Transparent
         Caption         =   "應(yīng)用程序標題"
         BeginProperty Font 
            Name            =   "隸書"
            Size            =   15.75
            Charset         =   134
            Weight          =   400
            Underline       =   0   'False
            Italic          =   0   'False
            Strikethrough   =   0   'False
         EndProperty
         ForeColor       =   &H000000FF&
         Height          =   480
         Left            =   1140
         TabIndex        =   4
         Top             =   210
         Width           =   3885
      End
   End
   Begin VB.CommandButton cmdOK 
      Cancel          =   -1  'True
      Caption         =   "確定"
      Default         =   -1  'True
      Height          =   345
      Left            =   4035
      TabIndex        =   0
      Top             =   1500
      Width           =   1500
   End
   Begin VB.CommandButton cmdSysInfo 
      Caption         =   "系統(tǒng)信息"
      Height          =   345
      Left            =   2445
      TabIndex        =   1
      Top             =   1500
      Width           =   1485
   End
   Begin VB.Label Label1 
      AutoSize        =   -1  'True
      BackStyle       =   0  'Transparent
      Caption         =   "作者：吳家信"
      ForeColor       =   &H0000FFFF&
      Height          =   180
      Left            =   360
      TabIndex        =   2
      Top             =   1605
      Width           =   1080
   End
   Begin VB.Line Line1 
      BorderColor     =   &H00808080&
      BorderStyle     =   6  'Inside Solid
      Index           =   1
      X1              =   42.257
      X2              =   5267.141
      Y1              =   880.027
      Y2              =   880.027
   End
   Begin VB.Line Line1 
      BorderColor     =   &H00FFFFFF&
      BorderWidth     =   2
      Index           =   0
      X1              =   70.429
      X2              =   5281.227
      Y1              =   890.381
      Y2              =   890.381
   End
End
Attribute VB_Name = "frmAbout"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
Option Explicit

' 注冊鍵安全選項...
Const READ_CONTROL = &H20000
Const KEY_QUERY_VALUE = &H1
Const KEY_SET_VALUE = &H2
Const KEY_CREATE_SUB_KEY = &H4
Const KEY_ENUMERATE_SUB_KEYS = &H8
Const KEY_NOTIFY = &H10
Const KEY_CREATE_LINK = &H20
Const KEY_ALL_ACCESS = KEY_QUERY_VALUE + KEY_SET_VALUE + _
                       KEY_CREATE_SUB_KEY + KEY_ENUMERATE_SUB_KEYS + _
                       KEY_NOTIFY + KEY_CREATE_LINK + READ_CONTROL
                     
' 注冊鍵 ROOT 類型...
Const HKEY_LOCAL_MACHINE = &H80000002
Const ERROR_SUCCESS = 0
Const REG_SZ = 1                         ' Unicode 以 Null 結(jié)尾的字符串
Const REG_DWORD = 4                      ' 32-位數(shù)字

Const gREGKEYSYSINFOLOC = "SOFTWARE\Microsoft\Shared Tools Location"
Const gREGVALSYSINFOLOC = "MSINFO"
Const gREGKEYSYSINFO = "SOFTWARE\Microsoft\Shared Tools\MSINFO"
Const gREGVALSYSINFO = "PATH"

Private Declare Function RegOpenKeyEx Lib "advapi32" Alias "RegOpenKeyExA" (ByVal hKey As Long, ByVal lpSubKey As String, ByVal ulOptions As Long, ByVal samDesired As Long, ByRef phkResult As Long) As Long
Private Declare Function RegQueryValueEx Lib "advapi32" Alias "RegQueryValueExA" (ByVal hKey As Long, ByVal lpValueName As String, ByVal lpReserved As Long, ByRef lpType As Long, ByVal lpData As String, ByRef lpcbData As Long) As Long
Private Declare Function RegCloseKey Lib "advapi32" (ByVal hKey As Long) As Long


Private Sub cmdSysInfo_Click()
  Call StartSysInfo
End Sub

Private Sub cmdOK_Click()
  Unload Me
End Sub

Private Sub Form_Load()
    Me.Caption = "關(guān)于 " & App.Title
    lblVersion.Caption = "版本 " & App.Major & "." & App.Minor & "." & App.Revision
    lblTitle.Caption = App.Title
    frmAbout.Left = (MDIForm1.Width - frmAbout.Width) - 200
    frmAbout.Top = 0
    On Error GoTo NOPHOTO:
    FramePicture.Picture = LoadPicture(Browser + "Help.BMP")
    frmAbout.Picture = LoadPicture(Browser + "HELP.BMP")
    Logo.Picture = LoadPicture(Browser + "OWN.ICO")
    Exit Sub
NOPHOTO:
    MsgBox "無效背景圖片,系統(tǒng)不能正常安裝!", vbOKOnly + 16, "圖片屬性無效"
End Sub

Public Sub StartSysInfo()
    On Error GoTo SysInfoErr
  
    Dim rc As Long
    Dim SysInfoPath As String
    
    ' 試圖從注冊表得到系統(tǒng)信息程序路徑\名稱...
    If GetKeyValue(HKEY_LOCAL_MACHINE, gREGKEYSYSINFO, gREGVALSYSINFO, SysInfoPath) Then
    ' 試圖從注冊表得到系統(tǒng)信息程序路徑...
    ElseIf GetKeyValue(HKEY_LOCAL_MACHINE, gREGKEYSYSINFOLOC, gREGVALSYSINFOLOC, SysInfoPath) Then
        ' 驗證已知 32 位文件版本的存在
        If (Dir(SysInfoPath & "\MSINFO32.EXE") <> "") Then
            SysInfoPath = SysInfoPath & "\MSINFO32.EXE"
            
        ' 錯誤 - 文件未找到...
        Else
            GoTo SysInfoErr
        End If
    ' 錯誤 - 注冊項未找到...
    Else
        GoTo SysInfoErr
    End If
    
    Call Shell(SysInfoPath, vbNormalFocus)
    
    Exit Sub
SysInfoErr:
    MsgBox "此時系統(tǒng)信息無效", vbOKOnly
End Sub

Public Function GetKeyValue(KeyRoot As Long, KeyName As String, SubKeyRef As String, ByRef KeyVal As String) As Boolean
    Dim I As Long                                           ' 循環(huán)指針
    Dim rc As Long                                          ' 返回代碼
    Dim hKey As Long                                        ' 打開的注冊鍵的句柄
    Dim hDepth As Long                                      '
    Dim KeyValType As Long                                  ' 注冊鍵的數(shù)據(jù)類型
    Dim tmpVal As String                                    ' 注冊鍵的臨時存儲區(qū)
    Dim KeyValSize As Long                                  ' 注冊鍵變量的大小
    '------------------------------------------------------------
    ' 在根鍵 {HKEY_LOCAL_MACHINE...} 下打開注冊鍵
    '------------------------------------------------------------
    rc = RegOpenKeyEx(KeyRoot, KeyName, 0, KEY_ALL_ACCESS, hKey) ' 打開注冊鍵
    
    If (rc <> ERROR_SUCCESS) Then GoTo GetKeyError          ' 句柄錯誤...
    
    tmpVal = String$(1024, 0)                             ' 分配變量空間
    KeyValSize = 1024                                       ' 標記變量大小
    
    '------------------------------------------------------------
    ' 檢索注冊鍵值...
    '------------------------------------------------------------
    rc = RegQueryValueEx(hKey, SubKeyRef, 0, _
                         KeyValType, tmpVal, KeyValSize)    ' 獲得/創(chuàng)建鍵值
                        
    If (rc <> ERROR_SUCCESS) Then GoTo GetKeyError          ' 句柄錯誤
    
    If (Asc(Mid(tmpVal, KeyValSize, 1)) = 0) Then           ' Win95 添加以 Null 結(jié)尾的字符串...
        tmpVal = Left(tmpVal, KeyValSize - 1)               ' Null 找到，從字符串提取
    Else                                                    ' WinNT 不需要以 Null 結(jié)束字符串...
        tmpVal = Left(tmpVal, KeyValSize)                   ' Null 未找到， 僅提取字符串
    End If
    '------------------------------------------------------------
    ' 為了轉(zhuǎn)換而決定鍵值類型..
    '------------------------------------------------------------
    Select Case KeyValType                                  ' 搜索數(shù)據(jù)類型...
    Case REG_SZ                                             ' 字符串型注冊鍵數(shù)據(jù)類型
        KeyVal = tmpVal                                     ' 復(fù)制字符串值
    Case REG_DWORD                                          ' 雙字型注冊鍵數(shù)據(jù)類型
        For I = Len(tmpVal) To 1 Step -1                    ' 轉(zhuǎn)換每一位
            KeyVal = KeyVal + Hex(Asc(Mid(tmpVal, I, 1)))   ' 一個字符一個字符地建立值
        Next
        KeyVal = Format$("&h" + KeyVal)                     ' 轉(zhuǎn)換雙字型為字符串型
    End Select
    
    GetKeyValue = True                                      ' 返回成功
    rc = RegCloseKey(hKey)                                  ' 關(guān)閉注冊鍵
    Exit Function                                           ' 退出
    
GetKeyError:      ' 發(fā)生錯誤后清除...
    KeyVal = ""                                             ' 設(shè)置返回值為空字符串
    GetKeyValue = False                                     ' 返回失敗
    rc = RegCloseKey(hKey)                                  ' 關(guān)閉注冊鍵
End Function