📄 frmabout.frm
字号:
VERSION 5.00
Begin VB.Form frmAbout
BorderStyle = 3 'Fixed Dialog
Caption = "关于 MyApp"
ClientHeight = 2505
ClientLeft = 2340
ClientTop = 1935
ClientWidth = 5055
ClipControls = 0 'False
LinkTopic = "Form2"
MaxButton = 0 'False
MinButton = 0 'False
ScaleHeight = 1728.996
ScaleMode = 0 'User
ScaleWidth = 4746.906
ShowInTaskbar = 0 'False
Begin VB.CommandButton cmdOK
Cancel = -1 'True
Caption = "确定"
Default = -1 'True
Height = 345
Left = 3405
TabIndex = 0
Top = 1545
Width = 1500
End
Begin VB.CommandButton cmdSysInfo
Caption = "系统信息(&S)..."
Height = 345
Left = 3420
TabIndex = 1
Top = 1995
Width = 1485
End
Begin VB.Line Line1
BorderColor = &H00808080&
BorderStyle = 6 'Inside Solid
Index = 1
X1 = -28.172
X2 = 5196.711
Y1 = 942.148
Y2 = 942.148
End
Begin VB.Label lblTitle
Caption = "事业单位工资管理系统"
BeginProperty Font
Name = "文鼎新艺体简"
Size = 15.75
Charset = 134
Weight = 400
Underline = 0 'False
Italic = 0 'False
Strikethrough = 0 'False
EndProperty
ForeColor = &H00800000&
Height = 420
Left = 960
TabIndex = 3
Top = 240
Width = 3465
End
Begin VB.Line Line1
BorderColor = &H00FFFFFF&
BorderWidth = 2
Index = 0
X1 = -14.086
X2 = 5196.711
Y1 = 952.501
Y2 = 952.501
End
Begin VB.Label lblVersion
Caption = "（事业版）2.04版"
BeginProperty Font
Name = "宋体"
Size = 10.5
Charset = 134
Weight = 400
Underline = 0 'False
Italic = 0 'False
Strikethrough = 0 'False
EndProperty
Height = 285
Left = 1560
TabIndex = 4
Top = 840
Width = 1755
End
Begin VB.Label lblDisclaimer
Caption = "2004年秋计算机科学与技术（本） 黄可冬"
BeginProperty Font
Name = "宋体"
Size = 10.5
Charset = 134
Weight = 400
Underline = 0 'False
Italic = 0 'False
Strikethrough = 0 'False
EndProperty
ForeColor = &H00000000&
Height = 645
Left = 240
TabIndex = 2
Top = 1560
Width = 3255
End
End
Attribute VB_Name = "frmAbout"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
Option Explicit
' 注册键安全选项...
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
' 注册键 ROOT 类型...
Const HKEY_LOCAL_MACHINE = &H80000002
Const ERROR_SUCCESS = 0
Const REG_SZ = 1 ' Unicode 以 Null 结尾的字符串
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
' 试图从注册表得到系统信息程序路径\名称...
If GetKeyValue(HKEY_LOCAL_MACHINE, gREGKEYSYSINFO, gREGVALSYSINFO, SysInfoPath) Then
' 试图从注册表得到系统信息程序路径...
ElseIf GetKeyValue(HKEY_LOCAL_MACHINE, gREGKEYSYSINFOLOC, gREGVALSYSINFOLOC, SysInfoPath) Then
' 验证已知 32 位文件版本的存在
If (Dir(SysInfoPath & "\MSINFO32.EXE") <> "") Then
SysInfoPath = SysInfoPath & "\MSINFO32.EXE"
' 错误 - 文件未找到...
Else
GoTo SysInfoErr
End If
' 错误 - 注册项未找到...
Else
GoTo SysInfoErr
End If
Call Shell(SysInfoPath, vbNormalFocus)
Exit Sub
SysInfoErr:
MsgBox "此时系统信息无效", 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 ' 循环指针
Dim rc As Long ' 返回代码
Dim hKey As Long ' 打开的注册键的句柄
Dim hDepth As Long '
Dim KeyValType As Long ' 注册键的数据类型
Dim tmpVal As String ' 注册键的临时存储区
Dim KeyValSize As Long ' 注册键变量的大小
'------------------------------------------------------------
' 在根键 {HKEY_LOCAL_MACHINE...} 下打开注册键
'------------------------------------------------------------
rc = RegOpenKeyEx(KeyRoot, KeyName, 0, KEY_ALL_ACCESS, hKey) ' 打开注册键
If (rc <> ERROR_SUCCESS) Then GoTo GetKeyError ' 句柄错误...
tmpVal = String$(1024, 0) ' 分配变量空间
KeyValSize = 1024 ' 标记变量大小
'------------------------------------------------------------
' 检索注册键值...
'------------------------------------------------------------
rc = RegQueryValueEx(hKey, SubKeyRef, 0, _
KeyValType, tmpVal, KeyValSize) ' 获得/创建键值
If (rc <> ERROR_SUCCESS) Then GoTo GetKeyError ' 句柄错误
If (Asc(Mid(tmpVal, KeyValSize, 1)) = 0) Then ' Win95 添加以 Null 结尾的字符串...
tmpVal = Left(tmpVal, KeyValSize - 1) ' Null 找到，从字符串提取
Else ' WinNT 不需要以 Null 结束字符串...
tmpVal = Left(tmpVal, KeyValSize) ' Null 未找到， 仅提取字符串
End If
'------------------------------------------------------------
' 为了转换而决定键值类型..
'------------------------------------------------------------
Select Case KeyValType ' 搜索数据类型...
Case REG_SZ ' 字符串型注册键数据类型
KeyVal = tmpVal ' 复制字符串值
Case REG_DWORD ' 双字型注册键数据类型
For I = Len(tmpVal) To 1 Step -1 ' 转换每一位
KeyVal = KeyVal + Hex(Asc(Mid(tmpVal, I, 1))) ' 一个字符一个字符地建立值
Next
KeyVal = Format$("&h" + KeyVal) ' 转换双字型为字符串型
End Select
GetKeyValue = True ' 返回成功
rc = RegCloseKey(hKey) ' 关闭注册键
Exit Function ' 退出
GetKeyError: ' 发生错误后清除...
KeyVal = "" ' 设置返回值为空字符串
GetKeyValue = False ' 返回失败
rc = RegCloseKey(hKey) ' 关闭注册键
End Function
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