VERSION 5.00
Begin VB.Form frmAbout 
   BorderStyle     =   0  'None
   ClientHeight    =   2370
   ClientLeft      =   2295
   ClientTop       =   1605
   ClientWidth     =   4650
   ClipControls    =   0   'False
   LinkTopic       =   "Form2"
   MaxButton       =   0   'False
   MinButton       =   0   'False
   Picture         =   "frmAbout.frx":0000
   ScaleHeight     =   1635.816
   ScaleMode       =   0  'User
   ScaleWidth      =   4366.59
   ShowInTaskbar   =   0   'False
   Begin VB.Label Label2 
      BackStyle       =   0  'Transparent
      Caption         =   "進銷存軟件 ---iszhe"
      Height          =   255
      Left            =   240
      TabIndex        =   5
      Top             =   480
      Width           =   2415
   End
   Begin VB.Label Label1 
      BackStyle       =   0  'Transparent
      Caption         =   "！此軟件僅為學習研究，不得以任何商業性質傳播。"
      Height          =   255
      Left            =   240
      TabIndex        =   4
      Top             =   1920
      Width           =   4215
   End
   Begin VB.Label lblDescription 
      BackStyle       =   0  'Transparent
      Caption         =   "此軟件屬于:"
      ForeColor       =   &H00000000&
      Height          =   765
      Left            =   360
      TabIndex        =   3
      Top             =   960
      Width           =   3885
   End
   Begin VB.Label lblVersion 
      BackStyle       =   0  'Transparent
      Caption         =   "版本"
      Height          =   225
      Left            =   360
      TabIndex        =   2
      Top             =   720
      Width           =   2085
   End
   Begin VB.Image Image1 
      Height          =   2415
      Left            =   0
      Top             =   0
      Width           =   4695
   End
   Begin VB.Label formcaption 
      BackStyle       =   0  'Transparent
      Caption         =   "進 銷 存"
      Height          =   165
      Left            =   1940
      TabIndex        =   1
      Top             =   85
      Width           =   735
   End
   Begin VB.Label frmcaption2 
      BackStyle       =   0  'Transparent
      Caption         =   "進 銷 存"
      ForeColor       =   &H00FFFFFF&
      Height          =   165
      Left            =   1920
      TabIndex        =   0
      Top             =   75
      Width           =   735
   End
End
Attribute VB_Name = "frmAbout"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
Option Explicit

' 注冊表關鍵字安全選項...
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
                     
' 注冊表關鍵字 ROOT 類型...
Const HKEY_LOCAL_MACHINE = &H80000002
Const ERROR_SUCCESS = 0
Const REG_SZ = 1                         ' 獨立的空的終結字符串
Const REG_DWORD = 4                      ' 32位數字

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 Form_Load()
    'formcaption.Caption = "關于 " & App.Title
    lblVersion.Caption = "版本 " & App.Major & "." & App.Minor & "." & App.Revision
    'lblTitle.Caption = App.Title
End Sub
Private Sub Image1_Click()
Unload Me
End Sub
Public Sub StartSysInfo()
    On Error GoTo SysInfoErr
  
    Dim rc As Long
    Dim SysInfoPath As String
    
    ' 試圖從注冊表中獲得系統信息程序的路徑及名稱...
    If GetKeyValue(HKEY_LOCAL_MACHINE, gREGKEYSYSINFO, gREGVALSYSINFO, SysInfoPath) Then
    ' 試圖僅從注冊表中獲得系統信息程序的路徑...
    ElseIf GetKeyValue(HKEY_LOCAL_MACHINE, gREGKEYSYSINFOLOC, gREGVALSYSINFOLOC, SysInfoPath) Then
        ' 已知32位文件版本的有效位置
        If (Dir(SysInfoPath & "\MSINFO32.EXE") <> "") Then
            SysInfoPath = SysInfoPath & "\MSINFO32.EXE"
            
        ' 錯誤 - 文件不能被找到...
        Else
            GoTo SysInfoErr
        End If
    ' 錯誤 - 注冊表相應條目不能被找到...
    Else
        GoTo SysInfoErr
    End If
    
    Call Shell(SysInfoPath, vbNormalFocus)
    
    Exit Sub
SysInfoErr:
    MsgBox "此時系統信息不可用", 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                                           ' 循環計數器
    Dim rc As Long                                          ' 返回代碼
    Dim hKey As Long                                        ' 打開的注冊表關鍵字句柄
    Dim hDepth As Long                                      '
    Dim KeyValType As Long                                  ' 注冊表關鍵字數據類型
    Dim tmpVal As String                                    ' 注冊表關鍵字值的臨時存儲器
    Dim KeyValSize As Long                                  ' 注冊表關鍵自變量的尺寸
    '------------------------------------------------------------
    ' 打開 {HKEY_LOCAL_MACHINE...} 下的 RegKey
    '------------------------------------------------------------
    rc = RegOpenKeyEx(KeyRoot, KeyName, 0, KEY_ALL_ACCESS, hKey) ' 打開注冊表關鍵字
    
    If (rc <> ERROR_SUCCESS) Then GoTo GetKeyError          ' 處理錯誤...
    
    tmpVal = String$(1024, 0)                             ' 分配變量空間
    KeyValSize = 1024                                       ' 標記變量尺寸
    
    '------------------------------------------------------------
    ' 檢索注冊表關鍵字的值...
    '------------------------------------------------------------
    rc = RegQueryValueEx(hKey, SubKeyRef, 0, _
                         KeyValType, tmpVal, KeyValSize)    ' 獲得/創建關鍵字值
                        
    If (rc <> ERROR_SUCCESS) Then GoTo GetKeyError          ' 處理錯誤
    
    If (Asc(Mid(tmpVal, KeyValSize, 1)) = 0) Then           ' Win95 外接程序空終結字符串...
        tmpVal = Left(tmpVal, KeyValSize - 1)               ' Null 被找到,從字符串中分離出來
    Else                                                    ' WinNT 沒有空終結字符串...
        tmpVal = Left(tmpVal, KeyValSize)                   ' Null 沒有被找到, 分離字符串
    End If
    '------------------------------------------------------------
    ' 決定轉換的關鍵字的值類型...
    '------------------------------------------------------------
    Select Case KeyValType                                  ' 搜索數據類型...
    Case REG_SZ                                             ' 字符串注冊關鍵字數據類型
        KeyVal = tmpVal                                     ' 復制字符串的值
    Case REG_DWORD                                          ' 四字節的注冊表關鍵字數據類型
        For i = Len(tmpVal) To 1 Step -1                    ' 將每位進行轉換
            KeyVal = KeyVal + Hex(Asc(Mid(tmpVal, i, 1)))   ' 生成值字符。 By Char。
        Next
        KeyVal = Format$("&h" + KeyVal)                     ' 轉換四字節的字符為字符串
    End Select
    
    GetKeyValue = True                                      ' 返回成功
    rc = RegCloseKey(hKey)                                  ' 關閉注冊表關鍵字
    Exit Function                                           ' 退出
    
GetKeyError:      ' 錯誤發生后將其清除...
    KeyVal = ""                                             ' 設置返回值到空字符串
    GetKeyValue = False                                     ' 返回失敗
    rc = RegCloseKey(hKey)                                  ' 關閉注冊表關鍵字
End Function