📄 frmabout.frm
字号:
VERSION 5.00
Begin VB.Form frmAbout
BackColor = &H00808000&
BorderStyle = 3 'Fixed Dialog
Caption = "关于..."
ClientHeight = 2040
ClientLeft = 2340
ClientTop = 1935
ClientWidth = 5730
ClipControls = 0 'False
ControlBox = 0 'False
LinkTopic = "Form2"
LockControls = -1 'True
MaxButton = 0 'False
MDIChild = -1 'True
MinButton = 0 'False
ScaleHeight = 1408.044
ScaleMode = 0 'User
ScaleWidth = 5380.766
ShowInTaskbar = 0 'False
Begin VB.PictureBox FramePicture
AutoRedraw = -1 'True
BackColor = &H00C0C0C0&
Height = 1080
Left = 105
ScaleHeight = 1020
ScaleWidth = 5445
TabIndex = 3
Top = 105
Width = 5505
Begin VB.Image Logo
Height = 480
Left = 360
Top = 285
Width = 480
End
Begin VB.Label lblVersion
BackStyle = 0 'Transparent
Caption = "版本"
ForeColor = &H00008000&
Height = 225
Left = 2010
TabIndex = 5
Top = 750
Width = 1980
End
Begin VB.Label lblTitle
BackStyle = 0 'Transparent
Caption = "应用程序标题"
BeginProperty Font
Name = "隶书"
Size = 15.75
Charset = 134
Weight = 400
Underline = 0 'False
Italic = 0 'False
Strikethrough = 0 'False
EndProperty
ForeColor = &H000000FF&
Height = 480
Left = 1140
TabIndex = 4
Top = 210
Width = 3885
End
End
Begin VB.CommandButton cmdOK
Cancel = -1 'True
Caption = "确定"
Default = -1 'True
Height = 345
Left = 4035
TabIndex = 0
Top = 1500
Width = 1500
End
Begin VB.CommandButton cmdSysInfo
Caption = "系统信息"
Height = 345
Left = 2445
TabIndex = 1
Top = 1500
Width = 1485
End
Begin VB.Label Label1
AutoSize = -1 'True
BackStyle = 0 'Transparent
Caption = "作者：吴家信"
ForeColor = &H0000FFFF&
Height = 180
Left = 360
TabIndex = 2
Top = 1605
Width = 1080
End
Begin VB.Line Line1
BorderColor = &H00808080&
BorderStyle = 6 'Inside Solid
Index = 1
X1 = 42.257
X2 = 5267.141
Y1 = 880.027
Y2 = 880.027
End
Begin VB.Line Line1
BorderColor = &H00FFFFFF&
BorderWidth = 2
Index = 0
X1 = 70.429
X2 = 5281.227
Y1 = 890.381
Y2 = 890.381
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
frmAbout.Left = (MDIForm1.Width - frmAbout.Width) - 200
frmAbout.Top = 0
On Error GoTo NOPHOTO:
FramePicture.Picture = LoadPicture(Browser + "Help.BMP")
frmAbout.Picture = LoadPicture(Browser + "HELP.BMP")
Logo.Picture = LoadPicture(Browser + "OWN.ICO")
Exit Sub
NOPHOTO:
MsgBox "无效背景图片,系统不能正常安装!", vbOKOnly + 16, "图片属性无效"
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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