VERSION 5.00 Begin VB.Form frmAbout BorderStyle = 3 'Fixed Dialog Caption = "关于我的应用程序" ClientHeight = 3555 ClientLeft = 2340 ClientTop = 1935 ClientWidth = 5730 ClipControls = 0 'False LinkTopic = "Form2" MaxButton = 0 'False MinButton = 0 'False ScaleHeight = 2453.724 ScaleMode = 0 'User ScaleWidth = 5380.766 ShowInTaskbar = 0 'False Begin VB.PictureBox picIcon AutoSize = -1 'True ClipControls = 0 'False Height = 540 Left = 240 Picture = "“关于”对话框.frx":0000 ScaleHeight = 337.12 ScaleMode = 0 'User ScaleWidth = 337.12 TabIndex = 1 Top = 240 Width = 540 End Begin VB.CommandButton cmdOK Cancel = -1 'True Caption = "确定" Default = -1 'True Height = 345 Left = 4125 TabIndex = 0 Top = 2625 Width = 1500 End Begin VB.CommandButton cmdSysInfo Caption = "系统信息(&S)..." Height = 345 Left = 4140 TabIndex = 2 Top = 3075 Width = 1485 End Begin VB.Line Line1 BorderColor = &H00808080& BorderStyle = 6 'Inside Solid Index = 1 X1 = 84.515 X2 = 5309.398 Y1 = 1687.583 Y2 = 1687.583 End Begin VB.Label lblDescription Caption = "应用程序描述" ForeColor = &H00000000& Height = 1170 Left = 1050 TabIndex = 3 Top = 1125 Width = 3885 End Begin VB.Label lblTitle Caption = "应用程序标题" ForeColor = &H00000000& Height = 480 Left = 1050 TabIndex = 5 Top = 240 Width = 3885 End Begin VB.Line Line1 BorderColor = &H00FFFFFF& BorderWidth = 2 Index = 0 X1 = 98.6 X2 = 5309.398 Y1 = 1697.936 Y2 = 1697.936 End Begin VB.Label lblVersion Caption = "版本" Height = 225 Left = 1050 TabIndex = 6 Top = 780 Width = 3885 End Begin VB.Label lblDisclaimer Caption = "警告: ..." ForeColor = &H00000000& Height = 825 Left = 255 TabIndex = 4 Top = 2625 Width = 3630 End End Attribute VB_Name = "frmAbout" Attribute VB_GlobalNameSpace = False Attribute VB_Creatable = False Attribute VB_PredeclaredId = True Attribute VB_Exposed = False Option Explicit ' 注册表关键字安全选项... 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 ' 注册表关键字 ROOT 类型... Const HKEY_LOCAL_MACHINE = &H80000002 Const ERROR_SUCCESS = 0 Const REG_SZ = 1 ' 独立的空的终结字符串 Const REG_DWORD = 4 ' 32位数字 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 = "关于 " & App.Title lblVersion.Caption = "版本 " & App.Major & "." & App.Minor & "." & App.Revision lblTitle.Caption = App.Title End Sub Public Sub StartSysInfo() On Error GoTo SysInfoErr Dim rc As Long Dim SysInfoPath As String ' 试图从注册表中获得系统信息程序的路径及名称... If GetKeyValue(HKEY_LOCAL_MACHINE, gREGKEYSYSINFO, gREGVALSYSINFO, SysInfoPath) Then ' 试图仅从注册表中获得系统信息程序的路径... 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" ' 错误 - 文件不能被找到... Else GoTo SysInfoErr End If ' 错误 - 注册表相应条目不能被找到... Else GoTo SysInfoErr End If Call Shell(SysInfoPath, vbNormalFocus) Exit Sub SysInfoErr: MsgBox "此时系统信息不可用", 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 ' 循环计数器 Dim rc As Long ' 返回代码 Dim hKey As Long ' 打开的注册表关键字句柄 Dim hDepth As Long ' Dim KeyValType As Long ' 注册表关键字数据类型 Dim tmpVal As String ' 注册表关键字值的临时存储器 Dim KeyValSize As Long ' 注册表关键自变量的尺寸 '------------------------------------------------------------ ' 打开 {HKEY_LOCAL_MACHINE...} 下的 RegKey '------------------------------------------------------------ rc = RegOpenKeyEx(KeyRoot, KeyName, 0, KEY_ALL_ACCESS, hKey) ' 打开注册表关键字 If (rc <> ERROR_SUCCESS) Then GoTo GetKeyError ' 处理错误... tmpVal = String$(1024, 0) ' 分配变量空间 KeyValSize = 1024 ' 标记变量尺寸 '------------------------------------------------------------ ' 检索注册表关键字的值... '------------------------------------------------------------ rc = RegQueryValueEx(hKey, SubKeyRef, 0, _ KeyValType, tmpVal, KeyValSize) ' 获得/创建关键字值 If (rc <> ERROR_SUCCESS) Then GoTo GetKeyError ' 处理错误 If (Asc(Mid(tmpVal, KeyValSize, 1)) = 0) Then ' Win95 外接程序空终结字符串... tmpVal = Left(tmpVal, KeyValSize - 1) ' Null 被找到,从字符串中分离出来 Else ' WinNT 没有空终结字符串... tmpVal = Left(tmpVal, KeyValSize) ' Null 没有被找到, 分离字符串 End If '------------------------------------------------------------ ' 决定转换的关键字的值类型... '------------------------------------------------------------ Select Case KeyValType ' 搜索数据类型... Case REG_SZ ' 字符串注册关键字数据类型 KeyVal = tmpVal ' 复制字符串的值 Case REG_DWORD ' 四字节的注册表关键字数据类型 For i = Len(tmpVal) To 1 Step -1 ' 将每位进行转换 KeyVal = KeyVal + Hex(Asc(Mid(tmpVal, i, 1))) ' 生成值字符。 By Char。 Next KeyVal = Format$("&h" + KeyVal) ' 转换四字节的字符为字符串 End Select GetKeyValue = True ' 返回成功 rc = RegCloseKey(hKey) ' 关闭注册表关键字 Exit Function ' 退出 GetKeyError: ' 错误发生后将其清除... KeyVal = "" ' 设置返回值到空字符串 GetKeyValue = False ' 返回失败 rc = RegCloseKey(hKey) ' 关闭注册表关键字 End Function