Определить, открыта ли книга Excel уже

Question

В VBA я программно открыл файл MS Excel с именем "myWork.XL".

Теперь мне нужен код, который может рассказать мне о его статусе - открыт он или нет. То есть что-то вроде IsWorkBookOpened("myWork.XL)?

Answer 1

Попробуй это:

Option Explicit

Sub Sample()
    Dim Ret

    Ret = IsWorkBookOpen("C:\myWork.xlsx")

    If Ret = True Then
        MsgBox "File is open"
    Else
        MsgBox "File is Closed"
    End If
End Sub

Function IsWorkBookOpen(FileName As String)
    Dim ff As Long, ErrNo As Long

    On Error Resume Next
    ff = FreeFile()
    Open FileName For Input Lock Read As #ff
    Close ff
    ErrNo = Err
    On Error GoTo 0

    Select Case ErrNo
    Case 0:    IsWorkBookOpen = False
    Case 70:   IsWorkBookOpen = True
    Case Else: Error ErrNo
    End Select
End Function

Answer 2

Для моих приложений я обычно хочу работать с книгой, а не просто определять, открыта ли она. В этом случае я предпочитаю пропустить булеву функцию и просто вернуть книгу.

Sub test()

    Dim wb As Workbook

    Set wb = GetWorkbook("C:\Users\dick\Dropbox\Excel\Hoops.xls")

    If Not wb Is Nothing Then
        Debug.Print wb.Name
    End If

End Sub

Public Function GetWorkbook(ByVal sFullName As String) As Workbook

    Dim sFile As String
    Dim wbReturn As Workbook

    sFile = Dir(sFullName)

    On Error Resume Next
        Set wbReturn = Workbooks(sFile)

        If wbReturn Is Nothing Then
            Set wbReturn = Workbooks.Open(sFullName)
        End If
    On Error GoTo 0

    Set GetWorkbook = wbReturn

End Function

Answer 3

Если он открыт, он будет в коллекции Workbooks:

Function BookOpen(strBookName As String) As Boolean
    Dim oBk As Workbook
    On Error Resume Next
    Set oBk = Workbooks(strBookName)
    On Error GoTo 0
    If oBk Is Nothing Then
        BookOpen = False
    Else
        BookOpen = True
    End If
End Function

Sub testbook()
    Dim strBookName As String
    strBookName = "myWork.xls"
    If BookOpen(strBookName) Then
        MsgBox strBookName & " is open", vbOKOnly + vbInformation
    Else
        MsgBox strBookName & " is NOT open", vbOKOnly + vbExclamation
    End If
End Sub

Answer 4

Я бы пошел с этим:

Public Function FileInUse(sFileName) As Boolean
    On Error Resume Next
    Open sFileName For Binary Access Read Lock Read As #1
    Close #1
    FileInUse = IIf(Err.Number > 0, True, False)
    On Error GoTo 0
End Function

в качестве sFileName вы должны указать прямой путь к файлу, например:

Sub Test_Sub()
    myFilePath = "C:\Users\UserName\Desktop\example.xlsx"
    If FileInUse(myFilePath) Then
        MsgBox "File is Opened"
    Else
        MsgBox "File is Closed"
    End If
End Sub

Answer 5

Что если вы хотите проверить, не создавая другой экземпляр Excel?

Например, у меня есть макрос Word (который запускается многократно), который должен извлекать данные из электронной таблицы Excel. Если электронная таблица уже открыта в существующем экземпляре Excel, я бы предпочел не создавать новый экземпляр.

Я нашел отличный ответ здесь, на котором я построил: http://www.dbforums.com/microsoft-access/1022678-how-check-wether-excel-workbook-already-open-not-search-value.html

Благодаря MikeTheBike и Киранкарнати

Function WorkbookOpen(strWorkBookName As String) As Boolean
    'Returns TRUE if the workbook is open
    Dim oXL As Excel.Application
    Dim oBk As Workbook

    On Error Resume Next
    Set oXL = GetObject(, "Excel.Application")
    If Err.Number <> 0 Then
        'Excel is NOT open, so the workbook cannot be open
        Err.Clear
        WorkbookOpen = False
    Else
        'Excel is open, check if workbook is open
        Set oBk = oXL.Workbooks(strWorkBookName)
        If oBk Is Nothing Then
            WorkbookOpen = False
        Else
            WorkbookOpen = True
            Set oBk = Nothing
        End If
    End If
    Set oXL = Nothing
End Function

Sub testWorkbookOpen()
    Dim strBookName As String
    strBookName = "myWork.xls"
    If WorkbookOpen(strBookName) Then
        msgbox strBookName & " is open", vbOKOnly + vbInformation
    Else
        msgbox strBookName & " is NOT open", vbOKOnly + vbExclamation
    End If
End Sub

Answer 6

Это немного легче понять:

Dim location As String
Dim wbk As Workbook

location = "c:\excel.xls"

Set wbk = Workbooks.Open(location)

'Check to see if file is already open
If wbk.ReadOnly Then
  ActiveWorkbook.Close
    MsgBox "Cannot update the excelsheet, someone currently using file. Please try again later."
    Exit Sub
End If

Answer 7

Оформить заказ этой функции

'********************************************************************************************************************************************************************************
'Function Name                     : IsWorkBookOpen(ByVal OWB As String)
'Function Description             : Function to check whether specified workbook is open
'Data Parameters                  : OWB:- Specify name or path to the workbook. eg: "Book1.xlsx" or "C:\Users\Kannan.S\Desktop\Book1.xlsm"

'********************************************************************************************************************************************************************************
Function IsWorkBookOpen(ByVal OWB As String) As Boolean
    IsWorkBookOpen = False
    Dim WB As Excel.Workbook
    Dim WBName As String
    Dim WBPath As String
    Err.Clear
    On Error Resume Next
    OWBArray = Split(OWB, Application.PathSeparator)
    Set WB = Application.Workbooks(OWBArray(UBound(OWBArray)))
    WBName = OWBArray(UBound(OWBArray))
    WBPath = WB.Path & Application.PathSeparator & WBName
    If Not WB Is Nothing Then
        If UBound(OWBArray) > 0 Then
            If LCase(WBPath) = LCase(OWB) Then IsWorkBookOpen = True
        Else
            IsWorkBookOpen = True
        End If
    End If
    Err.Clear
End Function