frmabout.frm

一个自己做的电力管理系统,主要用于电力电业行业的管理

VERSION 5.00
Begin VB.Form frmAbout 
   Caption         =   "关于作者"
   ClientHeight    =   4725
   ClientLeft      =   60
   ClientTop       =   345
   ClientWidth     =   6495
   Icon            =   "frmAbout.frx":0000
   LinkTopic       =   "Form1"
   ScaleHeight     =   4725
   ScaleWidth      =   6495
   StartUpPosition =   3  '窗口缺省
   Begin VB.PictureBox Picture1 
      Height          =   1815
      Left            =   120
      Picture         =   "frmAbout.frx":0BC2
      ScaleHeight     =   1755
      ScaleWidth      =   1635
      TabIndex        =   6
      Top             =   0
      Width           =   1695
   End
   Begin VB.CommandButton cmdOK 
      Cancel          =   -1  'True
      Caption         =   "确定"
      Default         =   -1  'True
      BeginProperty Font 
         Name            =   "宋体"
         Size            =   9
         Charset         =   0
         Weight          =   700
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      Height          =   465
      Left            =   4440
      TabIndex        =   1
      Tag             =   "OK"
      Top             =   3240
      Width           =   1695
   End
   Begin VB.CommandButton cmdSysInfo 
      Caption         =   "系统调用..."
      Height          =   465
      Left            =   4440
      TabIndex        =   0
      Tag             =   "&System Info..."
      Top             =   3840
      Width           =   1695
   End
   Begin VB.Label lblDescription 
      Caption         =   "本系统由重庆大学电器学院王小良同 学制作"
      BeginProperty Font 
         Name            =   "MS Sans Serif"
         Size            =   12
         Charset         =   0
         Weight          =   700
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      ForeColor       =   &H00FF0000&
      Height          =   2250
      Left            =   2160
      TabIndex        =   5
      Tag             =   "App Description"
      Top             =   600
      Width           =   4095
   End
   Begin VB.Label lblTitle 
      Caption         =   "           郑州大学教师个人管理系统"
      BeginProperty Font 
         Name            =   "MS Sans Serif"
         Size            =   12
         Charset         =   0
         Weight          =   700
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      ForeColor       =   &H000000FF&
      Height          =   480
      Left            =   2040
      TabIndex        =   4
      Tag             =   "Application Title"
      Top             =   120
      Width           =   4095
   End
   Begin VB.Line Line1 
      BorderColor     =   &H00808080&
      BorderStyle     =   6  'Inside Solid
      Index           =   1
      X1              =   0
      X2              =   5432
      Y1              =   3000
      Y2              =   3000
   End
   Begin VB.Line Line1 
      BorderColor     =   &H00FFFFFF&
      BorderWidth     =   2
      Index           =   0
      X1              =   15
      X2              =   5432
      Y1              =   2205
      Y2              =   2205
   End
   Begin VB.Label lblVersion 
      Height          =   225
      Left            =   825
      TabIndex        =   3
      Tag             =   "Version"
      Top             =   540
      Width           =   4092
   End
   Begin VB.Label lblDisclaimer 
      Caption         =   "Warning: ..."
      ForeColor       =   &H00000000&
      Height          =   825
      Left            =   120
      TabIndex        =   2
      Tag             =   "Warning: ..."
      Top             =   3360
      Width           =   3870
   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 Form_Load()
    lblVersion.Caption = "Version " & App.Major & "." & App.Minor & "." & App.Revision
    lblTitle.Caption = App.Title
End Sub



Private Sub cmdSysInfo_Click()
        Call StartSysInfo
End Sub


Private Sub cmdOK_Click()
        Unload Me
End Sub


Public Sub StartSysInfo()
    On Error GoTo errh


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

        Call Shell(SysInfoPath, vbNormalFocus)
        

        Exit Sub
errh:
        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


Private Sub picIcon_Click()

End Sub