[函数]实现打开外部数据库中的报表

时　间:2009-01-20 08:53:26
作　者:钱玉炜   ID：16  城市：江阴
摘　要:[函数]实现打开外部数据库中的报表
正　文:

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 fOpenRemoteReport(strMDB As String, strReport As String, _
Optional intView As Variant) _
As Boolean
' strMDB: 外部数据库名称(含路径)
' strReport: 报表名称
' intView: 报表的打开方式
Dim objAccess As Access.Application
Dim lngRet As Long
On Error GoTo fOpenRemoteReport_Err
If IsMissing(intView) Then intView = acViewPreview
If Len(Dir(strMDB)) > 0 Then
Set objAccess = New Access.Application
With objAccess
lngRet = apiSetForegroundWindow(.hWndAccessApp)
lngRet = apiShowWindow(.hWndAccessApp, SW_NORMAL)
' 第一次调用ShowWindow似乎不做任何事情
lngRet = apiShowWindow(.hWndAccessApp, SW_NORMAL)
.OpenCurrentDatabase strMDB
.DoCmd.OpenReport strReport, intView
Do While Len(.CurrentDb.Name) > 0
DoEvents
Loop
End With
End If
fOpenRemoteReport_Exit:
On Error Resume Next
objAccess.Quit
Set objAccess = Nothing
Exit Function
fOpenRemoteReport_Err:
fOpenRemoteReport = False
Select Case Err.Number
Case 7866:
' mdb 已经被用独占方式打开
MsgBox "该数据库：" & strMDB & _
vbCrLf & "已经被用独占方式打开！" & vbCrLf _
& vbCrLf & "请重新用共享方式打开，再试一次！", _
vbExclamation + vbOKOnly, "不能打开数据库"
Case 2103:
' 报表不存在
MsgBox "在这个" & strMDB & "数据库中不存在该报表：" & strReport & _
vbCrLf & vbCrLf , _
vbExclamation + vbOKOnly, "报表不存在"
Case 7952:
' 用户关闭了这个 mdb
fOpenRemoteReport = True
Case Else:
MsgBox "错误#: " & Err.Number & vbCrLf & Err.Description, _
vbCritical + vbOKOnly, "运行时错误"
End Select
Resume fOpenRemoteReport_Exit
End Function