Abrir formularios de una base de datos externa

Mediante el siguiente código, que utiliza el método OpenCurrentDatabase, se puede abrir un formulario existente en una base de datos externa a la que tenemos abierta y conla que estamos trabajando.

‘************ Inicio del código *************
Private Declare Function apiSetForegroundWindow Lib “user32″ _
Alias “SetForegroundWindow” _
(ByVal hwnd As Long) _
As Long

Private Declare Function apiShowWindow Lib “user32″ _
Alias “ShowWindow” _
(ByVal hwnd As Long, _
ByVal nCmdShow As Long) _
As Long

Private Const SW_MAXIMIZE = 3
Private Const SW_NORMAL = 1

Function fOpenRemoteForm(strMDB As String, _
strForm As String, _
Optional intView As Variant) _
As Boolean
Dim objAccess As Access.Application
Dim lngRet As Long

On Error GoTo fOpenRemoteForm_Err

If IsMissing(intView) Then intView = acViewNormal

If Len(Dir(strMDB)) > 0 Then
Set objAccess = New Access.Application
With objAccess
lngRet = apiSetForegroundWindow(.hWndAccessApp)
lngRet = apiShowWindow(.hWndAccessApp, SW_NORMAL)
‘the first call to ShowWindow doesn’t seem to do anything
lngRet = apiShowWindow(.hWndAccessApp, SW_NORMAL)
.OpenCurrentDatabase strMDB
.DoCmd.OpenForm strForm, intView
Do While Len(.CurrentDb.Name) > 0
DoEvents
Loop
End With
End If
fOpenRemoteForm_Exit:
On Error Resume Next
objAccess.Quit
Set objAccess = Nothing
Exit Function
fOpenRemoteForm_Err:
fOpenRemoteForm = False
Select Case Err.Number
Case 7866:
‘la base de datos está abierta de forma exlusiva por otro usuario
MsgBox “The database you specified ” & vbCrLf & strMDB & _
vbCrLf & “is currently open in exclusive mode. ” & vbCrLf _
& vbCrLf & “Please reopen in shared mode and try again”, _
vbExclamation + vbOKOnly, “Could not open database.”
Case 2102:
‘el formulario no existe
MsgBox “The Form ‘” & strForm & _
“‘ doesn’t exist in the Database ” _
& vbCrLf & strMDB, _
vbExclamation + vbOKOnly, “Form not found”
Case 7952:
‘user closed mdb
fOpenRemoteForm = True
Case Else:
MsgBox “Error#: ” & Err.Number & vbCrLf & Err.Description, _
vbCritical + vbOKOnly, “Runtime error”
End Select
Resume fOpenRemoteForm_Exit
End Function
‘************ Fin del código *************

Fuente: The Access Web