Méthode Requery and Return to Current Row

Bonsoir membres du forum,
Je viens de tester cette méthode qui ramène le curseur à la ligne en cours d'enregistrement ou de modification.
Seulement, il y a un message d'erreur :

Pièce jointe 558441

Code:

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' Our class to hold a couple of Public vars 'Notre classe pour tenir quelques variables publiques Private SR As clsSetRow   Private Sub Form_Load() Set SR = New clsSetRow End Sub   Private Sub Form_Current() ' This event can be called during the ' Form Load event prior to the init of ' our class so we must test for this. 'Cet événement peut être appelé pendant 'l'Événement de chargement de formulaire avant le début de 'notre classe, nous devons donc tester pour cela.   If Not SR Is Nothing Then SR.SelTop = Me.SelTop SR.CurrentSectionTop = Me.CurrentSectionTop End If End Sub     Private Sub cmdReturn_Click() On Error GoTo OUMAR   Dim OrigSelTop As Long Dim RowsFromTop As Long Dim OrigCurrentSectionTop As Long   ' Must cache the current props because Requery will ' reset them 'Doit mettre en cache les accessoires actuels car Requery 'les réinitialiser OrigSelTop = SR.SelTop OrigCurrentSectionTop = SR.CurrentSectionTop   ' Turn off screen redraw 'Désactiver l'écran de rafraîchissement Me.Painting = False   ' Requery the Form 'Raffraichit le formulaire Me.Requery   ' Calculate how many rows, if any, the selected ' row was from the top prior to the Requery ' Check if Header is visible or not 'Calcule le nombre de lignes, le cas échéant, 'la ligne était en haut avant la Requery 'Vérifiez si l'en-tête est visible ou non If Me.Section(acHeader).Visible = True Then RowsFromTop = (OrigCurrentSectionTop - Me.Section(acHeader).Height) / Me.Section(acDetail).Height Else RowsFromTop = OrigCurrentSectionTop / Me.Section(acDetail).Height End If   ' Setting the SelTop property forces this row to appear ' at the top of the Form. We will subtract the number of rows ' required, if any, so that the original current row remains ' at the original position prior to the Requery. ' First set the current record to the last record. ' This is required due to the method that ' that the Access GUI manages the ScrollBar.   'La définition de la propriété SelTop force cette ligne à apparaître 'en haut du formulaire. Nous allons soustraire le nombre de lignes 'obligatoire, le cas échéant, pour que la ligne actuelle d'origine reste 'à la position d'origine avant la Requery. 'Commencez par définir l'enregistrement en cours sur le dernier enregistrement. 'Cela est nécessaire en raison de la méthode 'que l'interface graphique d'accès gère la barre de défilement. Me.SelTop = Me.RecordsetClone.RecordCount Me.SelTop = OrigSelTop - RowsFromTop DoEvents Me.Painting = True   ' Now setfocus back to the original row prior to the Requery 'Maintenant, replace la mise au point sur la ligne d'origine avant le Requery Me.RecordsetClone.AbsolutePosition = Me.CurrentRecord + RowsFromTop - 1 Me.Bookmark = Me.RecordsetClone.Bookmark     Exit Sub   OUMAR: MsgBox Err.Description End Sub   Private Sub NumEnregistrement_Click() Call cmdReturn_Click End Sub   Private Sub RowNumber_Click() Call cmdReturn_Click End Sub   Private Sub SelectionUneLigne_AfterUpdate() ' Setting the SelTop property forces this row to appear ' at the top of the Form. ' This is required due to the method that ' that the Access GUI manages the ScrollBar.   'La définition de la propriété SelTop force cette ligne à apparaître 'en haut du formulaire. 'Cela est nécessaire en raison de la méthode 'que l'interface graphique d'accès gère la barre de défilement. Me.SelTop = Me.RecordsetClone.RecordCount Me.SelTop = Me.SelectionUneLigne.Value End Sub

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Module de classe

Code:

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Option Compare Database Option Explicit   Private mSelTop As Long Private mCurrentSectionTop As Long   Public Property Get SelTop() As Long SelTop = mSelTop End Property   Public Property Let SelTop(x As Long) mSelTop = x End Property     Public Property Get CurrentSectionTop() As Long CurrentSectionTop = mCurrentSectionTop End Property   Public Property Let CurrentSectionTop(x As Long) mCurrentSectionTop = x End Property

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Code:

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Option Compare Database Option Explicit   ' ****CODE START**** ' Place this code in a standard module. ' make sure you do not name the module ' to conflict with any of the functions below.     'Author: Stephen Lebans ' Stephen@lebans.com ' www.lebans.com ' Feb.20, 2000 ' 'Copyright: Lebans Holdings 1999 Ltd. ' 'Functions: fGetScrollBarPos(frm As Form) As Long ' fSetScrollBarPos(frm As Form, lngIndex As Long) As Long ' 'Credits: Dev Ashish, Terry Kreft ' The Access Web ' http://www.mvps.org/access/ ' 'Why?: Somebody asked for it! ' 'BUGS: Let me know! ' :-)   Private Type SCROLLINFO cbSize As Long fMask As Long nMin As Long nMax As Long nPage As Long nPos As Long nTrackPos As Long End Type   Private Declare Function apiGetScrollInfo _ Lib "user32" Alias "GetScrollInfo" (ByVal hWnd As Long, _ ByVal n As Long, lpScrollInfo As SCROLLINFO) As Long   Declare Function apiSetScrollInfo Lib "user32" Alias "SetScrollInfo" _ (ByVal hWnd As Long, ByVal n As Long, lpcScrollInfo As SCROLLINFO, _ ByVal bool As Boolean) As Long   Public Declare Function GetWindowLong Lib "user32" Alias "GetWindowLongA" _ (ByVal hWnd As Long, ByVal nIndex As Long) As Long Public Const GWL_HINSTANCE = (-6)   Private Declare Function SendMessage Lib _ "user32" Alias "SendMessageA" (ByVal hWnd As Long, _ ByVal wMsg As Long, ByVal wParam As Long, lParam As Any) As Long   Private Declare Function apiGetClassName Lib "user32" _ Alias "GetClassNameA" _ (ByVal hWnd As Long, _ ByVal lpClassname As String, _ ByVal nMaxCount As Long) _ As Long   Private Declare Function apiGetParent Lib "user32" _ Alias "GetParent" _ (ByVal hWnd As Long) _ As Long   Private Declare Function apiGetWindowLong Lib "user32" _ Alias "GetWindowLongA" _ (ByVal hWnd As Long, _ ByVal nIndex As Long) _ As Long   Private Declare Function apiGetWindow Lib "user32" _ Alias "GetWindow" _ (ByVal hWnd As Long, _ ByVal wCmd As Long) _ As Long     'Private Const ACC_MAIN_CLASS = "OMain" 'Private Const ACC_FORM_CLASS = "OForm"   Private Const GWL_STYLE = (-16) ' Window Style Flags Private Const WS_VISIBLE = &H10000000 Private Const WS_VSCROLL = &H200000   ' Scroll Bar Styles Private Const SBS_HORZ = &H0& Private Const SBS_VERT = &H1& Private Const SBS_SIZEBOX = &H8&     ' ScrollBar Message Private Const SBM_SETPOS = &HE0 Private Const SBM_GETPOS = &HE1 '/*not in win3.1 */ Private Const SBM_SETRANGE = &HE2 '/*not in win3.1 */ Private Const SBM_SETRANGEREDRAW = &HE6 '/*not in win3.1 */ Private Const SBM_GETRANGE = &HE3 '/*not in win3.1 */ Private Const SBM_ENABLE_ARROWS = &HE4 '/*not in win3.1 */ '#if(WINVER >= 0x0400) Private Const SBM_SETSCROLLINFO = &HE9 Private Const SBM_GETSCROLLINFO = &HEA   ' ScrollInfo fMask's Private Const SIF_RANGE = &H1 Private Const SIF_PAGE = &H2 Private Const SIF_POS = &H4 Private Const SIF_DISABLENOSCROLL = &H8 Private Const SIF_TRACKPOS = &H10 Private Const SIF_ALL = (SIF_RANGE Or SIF_PAGE Or SIF_POS Or SIF_TRACKPOS)   ' Scroll Bar Constants Private Const SB_HORZ = 0 Private Const SB_CTL = 2 Private Const SB_VERT = 1   ' Windows Message Constant Private Const WM_VSCROLL = &H115 Private Const WM_HSCROLL = &H114   ' Scroll Bar Commands Private Const SB_LINEUP = 0 Private Const SB_LINELEFT = 0 Private Const SB_LINEDOWN = 1 Private Const SB_LINERIGHT = 1 Private Const SB_PAGEUP = 2 Private Const SB_PAGELEFT = 2 Private Const SB_PAGEDOWN = 3 Private Const SB_PAGERIGHT = 3 Private Const SB_THUMBPOSITION = 4 Private Const SB_THUMBTRACK = 5 Private Const SB_TOP = 6 Private Const SB_LEFT = 6 Private Const SB_BOTTOM = 7 Private Const SB_RIGHT = 7 Private Const SB_ENDSCROLL = 8     ' GetWindow() Constants 'Private Const GW_HWNDFIRST = 0 'Private Const GW_HWNDLAST = 1 Private Const GW_HWNDNEXT = 2 'Private Const GW_HWNDPREV = 3 'Private Const GW_OWNER = 4 Private Const GW_CHILD = 5 'Private Const GW_MAX = 5           Public Function fGetScrollBarPos(frm As Form) As Long ' Return ScrollBar Thumb position ' for the Vertical Scrollbar attached to the ' Form passed to this Function.   Dim hWndSB As Long Dim lngret As Long Dim sInfo As SCROLLINFO   ' Init SCROLLINFO structure sInfo.fMask = SIF_ALL sInfo.cbSize = Len(sInfo) sInfo.nPos = 0 sInfo.nTrackPos = 0   ' Call function to get handle to ' ScrollBar control if it is visible hWndSB = fIsScrollBar(frm) If hWndSB = -1 Then fGetScrollBarPos = False Exit Function End If   ' Get the window's ScrollBar position lngret = apiGetScrollInfo(hWndSB, SB_CTL, sInfo) 'Debug.Print "nPos:" & sInfo.nPos & " nPage:" & sInfo.nPage & " nMax:" & sInfo.nMax 'MsgBox "getscrollinfo returned " & sInfo.nPos & " , " & sInfo.nTrackPos fGetScrollBarPos = sInfo.nPos + 1   End Function       Public Function fGetScrollBarPosHZ(frm As Form) As Long ' Return ScrollBar Thumb position ' for the Horizontal Scrollbar attached to the ' Form passed to this Function.   Dim hWndSB As Long Dim lngret As Long Dim sInfo As SCROLLINFO   ' Init SCROLLINFO structure sInfo.fMask = SIF_ALL sInfo.cbSize = Len(sInfo) sInfo.nPos = 0 sInfo.nTrackPos = 0   ' Call function to get handle to ' ScrollBar control if it is visible hWndSB = fIsScrollBarHZ(frm) If hWndSB = -1 Then fGetScrollBarPosHZ = False Exit Function End If   'Debug.Print "hwndSB:" & Hex(hWndSB) 'Debug.Print   ' Get the window's ScrollBar position lngret = apiGetScrollInfo(hWndSB, SB_CTL, sInfo) Debug.Print "nPos:" & sInfo.nPos & " nPage:" & sInfo.nPage & " nMax:" & sInfo.nMax 'MsgBox "getscrollinfo returned " & sInfo.nPos & " , " & sInfo.nTrackPos fGetScrollBarPosHZ = sInfo.nPos + 1   End Function       Public Function fSetScrollBarPos(frm As Form, lngIndex As Long) As Long ' Set the Thumb Position for the ' Vertical ScrollBar of the Form passed to ' this Function. ' Remember that we must subtract 1 from the value ' passed to this Fiunction for the desired ' Scrollbar position   ' *** LIMITED TO 32K *** ' Need to use ScrollInfo to overcome this limit ' Also need to figure out how Access\ ' calculates the ScrollBar page size!   Dim hWndSB As Long Dim lngret As Long Dim LngThumb As Long   ' Call function to get handle to ' ScrollBar control if it is visible hWndSB = fIsScrollBar(frm) If hWndSB = -1 Then fSetScrollBarPos = False Exit Function End If     ' Set the value for the ScrollBar. ' This corresponds to the top most record ' that will be displayed in the Form. LngThumb = MakeDWord(SB_THUMBPOSITION, CInt(lngIndex - 1)) lngret = SendMessage(frm.hWnd, WM_VSCROLL, ByVal LngThumb, ByVal hWndSB)   ' Return Success as our new ScrollBar Position fSetScrollBarPos = lngIndex   End Function       Public Function fSetScrollBarPosHZ(frm As Form, lngIndex As Long) As Long ' Set the Thumb Position for the ' Horizontal ScrollBar of the Form passed to ' this Function. ' Remember that we must subtract 1 from the value ' passed to this Function for the desired ' Scrollbar position   ' *** LIMITED TO 32K *** ' Need to use ScrollInfo to overcome this limit ' Also need to figure out how Access\ ' calculates the ScrollBar page size!   Dim hWndSB As Long Dim lngret As Long Dim LngThumb As Long   ' Call function to get handle to ' ScrollBar control if it is visible hWndSB = fIsScrollBarHZ(frm) If hWndSB = -1 Then fSetScrollBarPosHZ = False Exit Function End If     ' Set the value for the ScrollBar. ' This corresponds to the top most record ' that will be displayed in the Form. LngThumb = MakeDWord(SB_THUMBPOSITION, CInt(lngIndex - 1)) lngret = SendMessage(frm.hWnd, WM_HSCROLL, ByVal LngThumb, ByVal hWndSB)   ' Return Success as our new ScrollBar Position fSetScrollBarPosHZ = lngIndex   End Function           Private Function fIsScrollBar(frm As Form) As Long ' Get ScrollBar's hWnd Dim hWnd_VSB As Long Dim hWnd As Long   hWnd = frm.hWnd   ' Let's get first Child Window of the FORM hWnd_VSB = apiGetWindow(hWnd, GW_CHILD)   ' Let's walk through every sibling window of the Form Do ' Thanks to Terry Kreft for explaining ' why the apiGetParent acll is not required. ' Terry is in a Class by himself! :-) 'If apiGetParent(hWnd_VSB) <> hWnd Then Exit Do   If fGetClassName(hWnd_VSB) = "scrollBar" Then If apiGetWindowLong(hWnd_VSB, GWL_STYLE) And SBS_VERT Then fIsScrollBar = hWnd_VSB Exit Function End If End If   ' Let's get the NEXT SIBLING Window hWnd_VSB = apiGetWindow(hWnd_VSB, GW_HWNDNEXT)   ' Let's Start the process from the Top again ' Really just an error check Loop While hWnd_VSB <> 0   ' SORRY - NO Vertical ScrollBar control ' is currently visible for this Form fIsScrollBar = -1 End Function             Private Function fIsScrollBarHZ(frm As Form) As Long ' Get ScrollBar's Horizontal hWnd Dim hWnd_VSB As Long Dim hWnd As Long Dim lngStyle As Long   hWnd = frm.hWnd   ' Let's get first Child Window of the FORM hWnd_VSB = apiGetWindow(hWnd, GW_CHILD)   ' Let's walk through every sibling window of the Form Do ' Thanks to Terry Kreft for explaining ' why the apiGetParent acll is not required. ' Terry is in a Class by himself! :-) 'If apiGetParent(hWnd_VSB) <> hWnd Then Exit Do   If fGetClassName(hWnd_VSB) = "scrollBar" Then lngStyle = apiGetWindowLong(hWnd_VSB, GWL_STYLE) If (lngStyle And SBS_SIZEBOX) = False Then 'If apiGetWindowLong(hWnd_VSB, GWL_STYLE) And SBS_HORZ Then If (lngStyle And 1) = SBS_HORZ Then fIsScrollBarHZ = hWnd_VSB Exit Function End If End If End If   ' Let's get the NEXT SIBLING Window hWnd_VSB = apiGetWindow(hWnd_VSB, GW_HWNDNEXT)   ' Let's Start the process from the Top again ' Really just an error check Loop While hWnd_VSB <> 0   ' SORRY - NO Vertical ScrollBar control ' is currently visible for this Form fIsScrollBarHZ = -1 End Function     ' From Dev Ashish's Site ' The Access Web ' http://www.mvps.org/access/   '******* Code Start ********* Private Function fGetClassName(hWnd As Long) Dim strBuffer As String Dim lngLen As Long Const MAX_LEN = 255 strBuffer = Space$(MAX_LEN) lngLen = apiGetClassName(hWnd, strBuffer, MAX_LEN) If lngLen > 0 Then fGetClassName = Left$(strBuffer, lngLen) End Function '******* Code End *********     ' Here's the MakeDWord function from the MS KB Private Function MakeDWord(loword As Integer, hiword As Integer) As Long MakeDWord = (hiword * &H10000) Or (loword And &HFFFF&) End Function '***END CODE     Public Function fSetScrollBarPos1(frm As Form, lngIndex As Long) As Long   ' *** WARNING*** ' ***DO NOT USE THIS FUNCTION YET! ***   ' Set the Thumb Position for the ' Vertical ScrollBar of the Form passed to ' this Function. ' Remember that we must subtract 1 from the value ' passed to this Fiunction for the desired ' Scrollbar position   ' Here we are trying to overcome the 32K limit. ' We can get to 64K by rolling our own Unsigned Integer ' vs the VB SignedInteger but I want the ' whole enchelada!<bg> ' I've got it working but I need a bit more time ' tp understand the Logic Access uses to set ' the ScrollBar Page size. It is not always straightforward!!   Dim hWndSB As Long Dim lngret As Long Dim LngThumb As Long   Dim sInfo As SCROLLINFO   ' Init SCROLLINFO structure sInfo.fMask = SIF_POS sInfo.cbSize = Len(sInfo) sInfo.nPos = lngIndex sInfo.nTrackPos = 0   ' Call function to get handle to ' ScrollBar control if it is visible hWndSB = fIsScrollBar(frm) If hWndSB = -1 Then fSetScrollBarPos1 = False Exit Function End If     ' Set the value for the ScrollBar. ' This corresponds to the top most record ' that will be displayed in the Form. If lngIndex >= 65536 / 2 Then lngIndex = (65536 / 2) - lngIndex LngThumb = MakeDWord(SB_THUMBPOSITION, CInt(lngIndex - 1))     lngret = apiSetScrollInfo(hWndSB, SB_CTL, sInfo, True) DoEvents 'lngRet = SendMessage(hWndSB, SBM_SETPOS, lngIndex, ByVal True) 'lngRet = SendMessage(frm.hWnd, WM_VSCROLL, ByVal SB_ENDSCROLL, ByVal hWndSB)   ' this one below works 'lngRet = SendMessage(frm.hWnd, WM_VSCROLL, ByVal LngThumb, ByVal 0&)     ' Return Success as our new ScrollBar Position fSetScrollBarPos1 = lngIndex   End Function     Public Function fQuery(garbage As Variant) As Long ' Return ScrollBar Thumb position ' for the Vertical Scrollbar attached to the ' Form passed to this Function.       Const SB_BOTTOM = 7     On Error GoTo Exit_Query Dim hWndSB As Long Dim lngret As Long Dim sInfo As SCROLLINFO   Dim frm As Form   Set frm = Screen.ActiveForm   ' Init SCROLLINFO structure sInfo.fMask = SIF_ALL sInfo.cbSize = Len(sInfo) sInfo.nPos = 0 sInfo.nTrackPos = 0   ' Call function to get handle to ' ScrollBar control if it is visible hWndSB = fIsScrollBar(frm) If hWndSB = -1 Then fQuery = -1 Set frm = Nothing Exit Function End If     'lngRet = SendMessage(frm.hWnd, WM_VSCROLL, SB_BOTTOM, 0&)   ' Get the window's ScrollBar position lngret = apiGetScrollInfo(hWndSB, SB_CTL, sInfo) 'Debug.Print "nPos:" & sInfo.nPos & " nPage:" & sInfo.nPage & " nMax:" & sInfo.nMax 'MsgBox "getscrollinfo returned " & sInfo.nPos & " , " & sInfo.nTrackPos 'fQuery = sInfo.nPos + 1 fQuery = sInfo.nMax Debug.Print "MAX RECS:" & sInfo.nMax   ' Set the value for the ScrollBar. ' This corresponds to the top most record ' that will be displayed in the Form. 'LngThumb = MakeDWord(SB_THUMBPOSITION, CInt(lngIndex - 1)) 'lngRet = SendMessage(frm.hWnd, WM_VSCROLL, ByVal LngThumb, ByVal hWndSB) 'lngRet = SendMessage(frm.hWnd, WM_VSCROLL, SB_BOTTOM, 0&)     End_Query:   Set frm = Nothing Exit Function   Exit_Query:   fQuery = -1 Resume End_Query   End Function

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J'aimerais adapter les codes à mon cas. Sollicite votre aide.
Encore une fois désolé des erreurs commises.
- Pièces jointes du fichier d'origines.
Cordialement.

Bonjour.

Sur quelle ligne as-tu l'erreur ?

A+

Ce genre de message apparaît le plus souvent dans 2 cas:

1. Avec "Option Explicit", VBA détecte une variable qui n'a pas été définie via "Dim ou Public"
2. Utilisation de "If" sans "End If" ou de "With" sans "End With", ou de "For" sans "Next" … etc

Lancez votre code avec un "Break" pour localiser l'erreur via la touche F8 (step by step)

Bonsoir membres du forum,
bonsoir marot_r et Zekraoui_Jakani,
Merci infiniment.
Grâce à vos interventions j'ai pu trouver qain de cause à ma recherche qui est en rapport avec ici
https://www.developpez.net/forums/d2...mande-su-code/
Cordialement.