VERSION 5.00
Begin VB.Form frmAbout 
   BorderStyle     =   1  'Fixed Single
   Caption         =   "About"
   ClientHeight    =   3120
   ClientLeft      =   45
   ClientTop       =   330
   ClientWidth     =   4710
   Icon            =   "frmAbout.frx":0000
   LinkTopic       =   "Form1"
   MaxButton       =   0   'False
   MinButton       =   0   'False
   ScaleHeight     =   3120
   ScaleWidth      =   4710
   StartUpPosition =   2  '屏幕中心
   Begin VB.CommandButton cmdSysInfo 
      Caption         =   "系統信息(&I)"
      Height          =   375
      Left            =   3240
      TabIndex        =   1
      Top             =   2520
      Width           =   1335
   End
   Begin VB.CommandButton Command1 
      Caption         =   "確定(&O)"
      Height          =   375
      Left            =   3240
      TabIndex        =   0
      Top             =   2040
      Width           =   1335
   End
   Begin VB.Label lblVersion 
      Caption         =   "Label1"
      Height          =   255
      Left            =   1320
      TabIndex        =   5
      Top             =   720
      Width           =   2895
   End
   Begin VB.Label lblDisclaimer 
      Caption         =   "Label3"
      Height          =   615
      Left            =   120
      TabIndex        =   4
      Top             =   2160
      Width           =   2775
   End
   Begin VB.Line Line1 
      X1              =   0
      X2              =   4680
      Y1              =   1920
      Y2              =   1920
   End
   Begin VB.Label lblDescription 
      Caption         =   "Label2"
      Height          =   495
      Left            =   1320
      TabIndex        =   3
      Top             =   1200
      Width           =   2775
   End
   Begin VB.Label lblTitle 
      Caption         =   "郭亮"
      Height          =   375
      Left            =   1320
      TabIndex        =   2
      Top             =   120
      Width           =   2895
   End
End
Attribute VB_Name = "frmAbout"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
' Reg Key Security Options...
Const KEY_ALL_ACCESS = &H2003F
                                          

' Reg Key ROOT Types...
Const HKEY_LOCAL_MACHINE = &H80000002
Const ERROR_SUCCESS = 0
Const REG_SZ = 1                         ' Unicode nul terminated string
Const REG_DWORD = 4                      ' 32-bit number


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 Command1_Click()
   Unload Me
End Sub

Private Sub Form_Load()
      On Error Resume Next
      
      'picIcon.Picture = LoadPicture(App.Path & "\GRAPH03.ico")
      lblVersion.Caption = "Version " & App.Major & "." & App.Minor & "." & App.Revision
      lblTitle.Caption = App.Title
      lblDescription.Caption = "企業人事管理系統"
      lblDisclaimer = ""
End Sub
Public Sub StartSysInfo()
    On Error GoTo SysInfoErr


        Dim rc As Long
        Dim SysInfoPath As String
        

        ' Try To Get System Info Program Path\Name From Registry...
        If GetKeyValue(HKEY_LOCAL_MACHINE, gREGKEYSYSINFO, gREGVALSYSINFO, SysInfoPath) Then
        ' Try To Get System Info Program Path Only From Registry...
        ElseIf GetKeyValue(HKEY_LOCAL_MACHINE, gREGKEYSYSINFOLOC, gREGVALSYSINFOLOC, SysInfoPath) Then
                ' Validate Existance Of Known 32 Bit File Version
                If (Dir(SysInfoPath & "\MSINFO32.EXE") <> "") Then
                        SysInfoPath = SysInfoPath & "\MSINFO32.EXE"
                        

                ' Error - File Can Not Be Found...
                Else
                        GoTo SysInfoErr
                End If
        ' Error - Registry Entry Can Not Be Found...
        Else
                GoTo SysInfoErr
        End If
        

        Call Shell(SysInfoPath, vbNormalFocus)
        

        Exit Sub
SysInfoErr:
        MsgBox "System Information Is Unavailable At This Time", 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                                           ' Loop Counter
        Dim rc As Long                                          ' Return Code
        Dim hKey As Long                                        ' Handle To An Open Registry Key
        Dim hDepth As Long                                      '
        Dim KeyValType As Long                                  ' Data Type Of A Registry Key
        Dim tmpVal As String                                    ' Tempory Storage For A Registry Key Value
        Dim KeyValSize As Long                                  ' Size Of Registry Key Variable
        '------------------------------------------------------------
        ' Open RegKey Under KeyRoot {HKEY_LOCAL_MACHINE...}
        '------------------------------------------------------------
        rc = RegOpenKeyEx(KeyRoot, KeyName, 0, KEY_ALL_ACCESS, hKey) ' Open Registry Key
        

        If (rc <> ERROR_SUCCESS) Then GoTo GetKeyError          ' Handle Error...
        

        tmpVal = String$(1024, 0)                             ' Allocate Variable Space
        KeyValSize = 1024                                       ' Mark Variable Size
        

        '------------------------------------------------------------
        ' Retrieve Registry Key Value...
        '------------------------------------------------------------
        rc = RegQueryValueEx(hKey, SubKeyRef, 0, KeyValType, tmpVal, KeyValSize)    ' Get/Create Key Value
                                                

        If (rc <> ERROR_SUCCESS) Then GoTo GetKeyError          ' Handle Errors
        

        tmpVal = VBA.Left(tmpVal, InStr(tmpVal, VBA.Chr(0)) - 1)
        '------------------------------------------------------------
        ' Determine Key Value Type For Conversion...
        '------------------------------------------------------------
        Select Case KeyValType                                  ' Search Data Types...
        Case REG_SZ                                             ' String Registry Key Data Type
                KeyVal = tmpVal                                     ' Copy String Value
        Case REG_DWORD                                          ' Double Word Registry Key Data Type
                For i = Len(tmpVal) To 1 Step -1                    ' Convert Each Bit
                        KeyVal = KeyVal + Hex(Asc(Mid(tmpVal, i, 1)))   ' Build Value Char. By Char.
                Next
                KeyVal = Format$("&h" + KeyVal)                     ' Convert Double Word To String
        End Select
        

        GetKeyValue = True                                      ' Return Success
        rc = RegCloseKey(hKey)                                  ' Close Registry Key
        Exit Function                                           ' Exit
        

GetKeyError:    ' Cleanup After An Error Has Occured...
        KeyVal = ""                                             ' Set Return Val To Empty String
        GetKeyValue = False                                     ' Return Failure
        rc = RegCloseKey(hKey)                                  ' Close Registry Key
End Function