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📄 frmabout.frm

📁 这是我的一个课题:我省农业分布调查咨询系统。课题是和省农业厅合作的。源代码完整
💻 FRM
字号:
VERSION 5.00
Begin VB.Form frmAbout 
   BackColor       =   &H80000013&
   BorderStyle     =   3  'Fixed Dialog
   Caption         =   "关于"
   ClientHeight    =   3075
   ClientLeft      =   1890
   ClientTop       =   1995
   ClientWidth     =   6390
   ClipControls    =   0   'False
   Icon            =   "frmAbout.frx":0000
   LinkTopic       =   "Form1"
   MaxButton       =   0   'False
   MinButton       =   0   'False
   ScaleHeight     =   3075
   ScaleWidth      =   6390
   ShowInTaskbar   =   0   'False
   StartUpPosition =   2  '屏幕中心
   Tag             =   "About VBSample"
   Begin VB.CommandButton cmdOK 
      Cancel          =   -1  'True
      Caption         =   "确定"
      Default         =   -1  'True
      Height          =   345
      Left            =   5040
      TabIndex        =   3
      Tag             =   "OK"
      Top             =   2400
      Width           =   1110
   End
   Begin VB.Label Label1 
      AutoSize        =   -1  'True
      Caption         =   "四川省农业科学院遥感应用研究所版权所有"
      Height          =   180
      Left            =   600
      TabIndex        =   4
      Top             =   2040
      Width           =   3420
   End
   Begin VB.Label Label4 
      AutoSize        =   -1  'True
      BackColor       =   &H80000013&
      Caption         =   "Version 1.00"
      ForeColor       =   &H00C00000&
      Height          =   180
      Left            =   4800
      TabIndex        =   2
      Top             =   2040
      Width           =   1080
   End
   Begin VB.Label lblCompanyProduct 
      AutoSize        =   -1  'True
      BackStyle       =   0  'Transparent
      Caption         =   "四川省农业基础资源"
      BeginProperty Font 
         Name            =   "隶书"
         Size            =   21.75
         Charset         =   134
         Weight          =   400
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      ForeColor       =   &H00C00000&
      Height          =   435
      Left            =   960
      TabIndex        =   1
      Top             =   240
      Width           =   4050
   End
   Begin VB.Label lblProductName 
      AutoSize        =   -1  'True
      BackStyle       =   0  'Transparent
      Caption         =   "空间信息查询系统"
      BeginProperty Font 
         Name            =   "隶书"
         Size            =   32.25
         Charset         =   134
         Weight          =   400
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      ForeColor       =   &H00C00000&
      Height          =   645
      Left            =   480
      TabIndex        =   0
      Top             =   960
      Width           =   5280
   End
   Begin VB.Line Line1 
      BorderColor     =   &H00FFFFFF&
      BorderStyle     =   6  'Inside Solid
      BorderWidth     =   2
      Index           =   1
      X1              =   480
      X2              =   5912
      Y1              =   1680
      Y2              =   1680
   End
End
Attribute VB_Name = "frmAbout"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
' This sample application and corresponding sample code is provided
' for example purposes only.  It has not undergone rigorous testing
' and as such should not be shipped as part of a final application
' without extensive testing on the part of the organization releasing
' the end-user product.

' 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 cmdMapX_Click()
    fMainForm.Map1.AboutBox
End Sub
Private Sub cmdSysInfo_Click()
        Call StartSysInfo
End Sub

Private Sub cmdOK_Click()
        Unload frmAbout
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

Private Sub Label2_Click()

End Sub

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