AFFICHER L'INTERFACE ODBC POUR CRÉER UNE SOURCE DE DONNÉE (DSN)

Option Explicit

Private Enum udeSW
    SW_HIDE = 0
    SW_NORMAL = 1
    SW_MAXIMIZE = 3
    SW_MINIMIZE = 6
End Enum

Private Type PROCESS_INFORMATION
    hProcess As Long
    hThread As Long
    dwProcessId As Long
    dwThreadId As Long
End Type

Private Type STARTUPINFO
    cb As Long
    lpReserved As String
    lpDesktop As String
    lpTitle As String
    dwX As Long
    dwY As Long
    dwXSize As Long
    dwYSize As Long
    dwXCountChars As Long
    dwYCountChars As Long
    dwFillAttribute As Long
    dwFlags As Long
    wShowWindow As Integer
    cbReserved2 As Integer
    lpReserved2 As Byte
    hStdInput As Long
    hStdOutput As Long
    hStdError As Long
End Type

Private Type SECURITY_ATTRIBUTES
    nLength As Long
    lpSecurityDescriptor As Long
    bInheritHandle As Long
End Type

Private Enum udePriority_Class
    NORMAL_PRIORITY_CLASS = &H20
    IDLE_PRIORITY_CLASS = &H40
    HIGH_PRIORITY_CLASS = &H80
End Enum

Private Declare Function CreateProcess Lib "kernel32" Alias "CreateProcessA" (ByVal lpApplicationName As String, ByVal lpCommandLine As String, lpProcessAttributes As SECURITY_ATTRIBUTES, lpThreadAttributes As SECURITY_ATTRIBUTES, ByVal bInheritHandles As Long, ByVal dwCreationFlags As Long, lpEnvironment As Any, ByVal lpCurrentDriectory As String, lpStartupInfo As STARTUPINFO, lpProcessInformation As PROCESS_INFORMATION) As Long
Private Declare Function WaitForSingleObject Lib "kernel32" (ByVal hHandle As Long, ByVal dwMilliseconds As Long) As Long
Private Declare Function GetSystemDirectory Lib "kernel32" Alias "GetSystemDirectoryA" (ByVal lpBuffer As String, ByVal nSize As Long) As Long
Private Declare Function CloseHandle Lib "kernel32" (ByVal hObject As Long) As Long

Private Declare Function GetActiveWindow Lib "user32" () As Long
Private Declare Function GetDC Lib "user32" (ByVal hWnd As Long) As Long
Private Declare Function GetDeviceCaps Lib "gdi32" (ByVal hDC As Long, ByVal nIndex As Long) As Long

Sub DisplayODBCManager()
   Dim SysDir As String, Ret As Long
   
    SysDir = Space(255)
    Ret = GetSystemDirectory(SysDir, 255)
    SysDir = Left$(SysDir, Ret) & "\"
    
   'Retourne zéro en cas d'erreur
   If NewProcess(SysDir & "rundll32.exe", "shell32.dll,Control_RunDLL odbccp32.cpl", SW_NORMAL, IDLE_PRIORITY_CLASS) Then
      'Le formulaire ODBC a été ouvert et fermé. Après vérification en base de registre
      'de son existence, le DSN peut être utilisé pour tenter d'ouvrir une connexion.
   Else
      'Echec de l'ouverture du formulaire ODBC
   End If
   
End Sub

Private Function NewProcess(AppPath As String, Arg As String, ByVal SW_Stat As udeSW, ByVal Priority_Class As udePriority_Class) As Long

    Dim PClass As Long
    Dim CmdLine As String
    Dim SInfo As STARTUPINFO
    Dim PInfo As PROCESS_INFORMATION
    Dim Sec1 As SECURITY_ATTRIBUTES
    Dim Sec2 As SECURITY_ATTRIBUTES
    Dim hDC As Long
    
    Const HORZRES = 8
    Const VERTRES = 10
    Const INFINITE = &HFFFF
    Const WAIT_TIMEOUT As Long = 258&
    Const STARTF_USESHOWWINDOW = &H1
    Const STARTF_USEPOSITION = &H4

    Sec1.nLength = Len(Sec1)
    Sec2.nLength = Len(Sec2)
    hDC = GetDC(GetActiveWindow())
    With SInfo
      .cb = Len(SInfo)
      .dwX = GetDeviceCaps(hDC, HORZRES) \ 2
      .dwY = GetDeviceCaps(hDC, VERTRES) \ 2
      .dwFlags = STARTF_USEPOSITION Or STARTF_USESHOWWINDOW
      .wShowWindow = SW_Stat
    End With
    PClass = Priority_Class
     
    CmdLine = AppPath
    If (Len(Trim$(Arg)) > 0) Then
        CmdLine = CmdLine & " " & Arg
    End If
   
   NewProcess = CreateProcess(AppPath, CmdLine, Sec1, Sec2, False, PClass, 0&, CurDir$(), SInfo, PInfo)
   If NewProcess Then
      'Sans rafraîchissement du formulaire parent
      'WaitForSingleObject pinfo.hProcess, INFINITE
      
      'Avec rafraîchissement du formulaire parent
      Do While WaitForSingleObject(PInfo.hProcess, 10) = WAIT_TIMEOUT
           DoEvents
       Loop
   
      Call CloseHandle(PInfo.hProcess)
      Call CloseHandle(PInfo.hThread)
   End If
End Function

02 août 2005 14:35:12 :

Ajout des instructions de fermeture

03 août 2005 17:39:12 :

Code exemple avec / sans rafraîchissement de la fenêtre parent

03 août 2005 18:02:02 :

MAJ du code exemple

04 août 2005 16:31:51 :

ajout pour centrer l'affichage

04 août 2005 16:41:54 :

MAJ

05 août 2005 16:18:45 :

Ajout d'une capture d'écran

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