📄 帮助文件.frm
字号:
VERSION 5.00
Begin VB.Form Form7
Caption = "系统帮助文件"
ClientHeight = 3285
ClientLeft = 60
ClientTop = 450
ClientWidth = 7260
FillStyle = 0 'Solid
LinkTopic = "Form7"
ScaleHeight = 3285
ScaleWidth = 7260
StartUpPosition = 2 '屏幕中心
Begin VB.CommandButton Command3
Caption = "系统介绍"
BeginProperty Font
Name = "宋体"
Size = 14.25
Charset = 134
Weight = 400
Underline = 0 'False
Italic = 0 'False
Strikethrough = 0 'False
EndProperty
Height = 615
Left = 2520
TabIndex = 5
Top = 2400
Width = 2175
End
Begin VB.CommandButton Command2
Caption = "系统信息"
BeginProperty Font
Name = "宋体"
Size = 14.25
Charset = 134
Weight = 400
Underline = 0 'False
Italic = 0 'False
Strikethrough = 0 'False
EndProperty
Height = 615
Left = 240
TabIndex = 2
Top = 2400
Width = 1935
End
Begin VB.CommandButton Command1
Caption = "返 回"
BeginProperty Font
Name = "宋体"
Size = 12
Charset = 134
Weight = 400
Underline = 0 'False
Italic = 0 'False
Strikethrough = 0 'False
EndProperty
Height = 615
Left = 5040
TabIndex = 0
Top = 2400
Width = 2055
End
Begin VB.Label Label2
Caption = "浙江海洋学院 A03计算机(1)班 方旭"
Height = 255
Left = 360
TabIndex = 4
Top = 1560
Width = 3615
End
Begin VB.Label Label3
Caption = "Email: fx_1104@yahoo.com.cn"
BeginProperty Font
Name = "宋体"
Size = 10.5
Charset = 134
Weight = 400
Underline = 0 'False
Italic = 0 'False
Strikethrough = 0 'False
EndProperty
Height = 375
Left = 4200
TabIndex = 3
Top = 1560
Width = 3015
End
Begin VB.Line Line1
BorderColor = &H80000012&
BorderStyle = 6 'Inside Solid
X1 = 240
X2 = 7380
Y1 = 2040
Y2 = 2040
End
Begin VB.Label Label1
Caption = "校园机房管理系统"
BeginProperty Font
Name = "楷体_GB2312"
Size = 21.75
Charset = 134
Weight = 700
Underline = 0 'False
Italic = 0 'False
Strikethrough = 0 'False
EndProperty
ForeColor = &H00404040&
Height = 495
Left = 1440
TabIndex = 1
Top = 480
Width = 3855
End
End
Attribute VB_Name = "Form7"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
' 注册键安全选项...
Const KEY_ALL_ACCESS = &H2003F
' 注册键根类型...
Const HKEY_LOCAL_MACHINE = &H80000002
Const ERROR_SUCCESS = 0
Const REG_SZ = 1 ' Unicode 空结尾字符串
Const REG_DWORD = 4 ' 32位数
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 Declare Function ShellExecute Lib "shell32.dll" Alias "ShellExecuteA" (ByVal hWnd As Long, ByVal lpOperation As String, ByVal lpFile As String, ByVal lpParameters As String, ByVal lpDirectory As String, ByVal nShowCmd As Long) As Long
Private Sub Command1_Click()
Unload Me
End Sub
Private Sub Command2_Click()
Call StartSysInfo
End Sub
Public Sub StartSysInfo()
On Error GoTo SysInfoErr
Dim rc As Long
Dim SysInfoPath As String
' 从注册表获得系统信息程序路径\名称...
If GetKeyValue(HKEY_LOCAL_MACHINE, gREGKEYSYSINFO, gREGVALSYSINFO, SysInfoPath) Then
' 仅从注册表获得系统信息程序路径...
ElseIf GetKeyValue(HKEY_LOCAL_MACHINE, gREGKEYSYSINFOLOC, gREGVALSYSINFOLOC, SysInfoPath) Then
' 验证已知的 32 位文件版本的存在
If (Dir(SysInfoPath & "\MSINFO32.EXE") <> "") Then
SysInfoPath = SysInfoPath & "\MSINFO32.EXE"
' 错误 - 文件找不到...
Else
GoTo SysInfoErr
End If
' 错误 - 注册表项找不到...
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
Private Sub Command3_Click()
ShellExecute hWnd, "OPEN", "help.txt", 0, 0, 5
End Sub
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