Visual Basic Source Code/Visual Basic Source Code.iso/vbsource/painte1a/frmabout.frm

Visual Basic Form | 1999-09-09 | 9KB | 211 lines

VERSION 5.00
Begin VB.Form frmAbout
   BorderStyle     =   3  'Fixed Dialog
   Caption         =   "About ProGfx"
   ClientHeight    =   3630
   ClientLeft      =   45
   ClientTop       =   330
   ClientWidth     =   5865
   ClipControls    =   0   'False
   Icon            =   "frmAbout.frx":0000
   LinkTopic       =   "Form1"
   MaxButton       =   0   'False
   MinButton       =   0   'False
   ScaleHeight     =   3630
   ScaleWidth      =   5865
   ShowInTaskbar   =   0   'False
   StartUpPosition =   1  'CenterOwner
   Tag             =   "About ProGfx"
   Begin VB.CommandButton cmdOK
      Cancel          =   -1  'True
      Caption         =   "OK"
      Default         =   -1  'True
      Height          =   345
      Left            =   4245
      TabIndex        =   0
      Tag             =   "OK"
      Top             =   2625
      Width           =   1467
   End
   Begin VB.CommandButton cmdSysInfo
      Caption         =   "&System Info..."
      Height          =   345
      Left            =   4260
      TabIndex        =   1
      Tag             =   "&System Info..."
      Top             =   3075
      Width           =   1452
   End
   Begin VB.Label lblDescription
      ForeColor       =   &H00000000&
      Height          =   1170
      Left            =   1050
      TabIndex        =   5
      Tag             =   "App Description"
      Top             =   1125
      Width           =   4092
   End
   Begin VB.Label lblTitle
      Alignment       =   2  'Center
      Caption         =   "PRO Gfx"
      BeginProperty Font
         Name            =   "Arial"
         Size            =   24
         Charset         =   0
         Weight          =   700
         Underline       =   0   'False
         Italic          =   -1  'True
         Strikethrough   =   0   'False
      EndProperty
      ForeColor       =   &H00FF0000&
      Height          =   480
      Left            =   1050
      TabIndex        =   4
      Tag             =   "Application Title"
      Top             =   240
      Width           =   4092
   End
   Begin VB.Line Line1
      BorderColor     =   &H00808080&
      BorderStyle     =   6  'Inside Solid
      Index           =   1
      X1              =   225
      X2              =   5657
      Y1              =   2430
      Y2              =   2430
   End
   Begin VB.Line Line1
      BorderColor     =   &H00FFFFFF&
      BorderWidth     =   2
      Index           =   0
      X1              =   240
      X2              =   5657
      Y1              =   2445
      Y2              =   2445
   End
   Begin VB.Label lblVersion
      Caption         =   "Version .20"
      Height          =   225
      Left            =   1065
      TabIndex        =   3
      Tag             =   "Version"
      Top             =   780
      Width           =   4095
   End
   Begin VB.Label lblDisclaimer
      Caption         =   "Warning: This program is to be used and viewed by Red Dawn Productions only!"
      ForeColor       =   &H00000000&
      Height          =   825
      Left            =   255
      TabIndex        =   2
      Tag             =   "Warning: ..."
      Top             =   2625
      Width           =   3870
   End
Attribute VB_Name = "frmAbout"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
' 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 Form_Load()
    lblVersion.Caption = "Version " & App.Major & "." & App.Minor & "." & App.Revision
    lblTitle.Caption = App.Title
End Sub
Private Sub cmdSysInfo_Click()
        Call StartSysInfo
End Sub
Private Sub cmdOK_Click()
        Unload Me
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
                F