在一个 Excel 实例中运行的 Excel VBA 宏能否访问另一个正在运行的 Excel 实例的工作簿?例如,我想创建在任何正在运行的 Excel 实例中打开的所有工作簿的列表。
最佳答案
科尼利厄斯的回答部分正确。他的代码获取当前实例,然后创建一个新实例。 GetObject 只获取第一个实例,无论有多少实例可用。我认为的问题是如何从众多实例中获取特定实例。
对于 VBA 项目,创建两个模块,一个是代码模块,另一个是带有一个名为 Command1 的命令按钮的窗体。您可能需要添加对 Microsoft.Excel 的引用。
此代码在“立即”窗口中显示每个正在运行的 Excel 实例的每个工作簿的所有名称。
'------------- Code Module --------------
Option Explicit
Declare Function FindWindowEx Lib "User32" Alias "FindWindowExA" (ByVal hWnd1 As Long, ByVal hWnd2 As Long, ByVal lpsz1 As String, ByVal lpsz2 As String) As Long
Declare Function GetClassName Lib "User32" Alias "GetClassNameA" (ByVal hWnd As Long, ByVal lpClassName As String, ByVal nMaxCount As Long) As Long
Declare Function IIDFromString Lib "ole32" (ByVal lpsz As Long, ByRef lpiid As UUID) As Long
Declare Function AccessibleObjectFromWindow Lib "oleacc" (ByVal hWnd As Long, ByVal dwId As Long, ByRef riid As UUID, ByRef ppvObject As Object) As Long
Type UUID 'GUID
Data1 As Long
Data2 As Integer
Data3 As Integer
Data4(7) As Byte
End Type
'------------- Form Module --------------
Option Explicit
Const IID_IDispatch As String = "{00020400-0000-0000-C000-000000000046}"
Const OBJID_NATIVEOM As Long = &HFFFFFFF0
'Sub GetAllWorkbookWindowNames()
Sub Command1_Click()
On Error GoTo MyErrorHandler
Dim hWndMain As Long
hWndMain = FindWindowEx(0&, 0&, "XLMAIN", vbNullString)
Do While hWndMain <> 0
GetWbkWindows hWndMain
hWndMain = FindWindowEx(0&, hWndMain, "XLMAIN", vbNullString)
Loop
Exit Sub
MyErrorHandler:
MsgBox "GetAllWorkbookWindowNames" & vbCrLf & vbCrLf & "Err = " & Err.Number & vbCrLf & "Description: " & Err.Description
End Sub
Private Sub GetWbkWindows(ByVal hWndMain As Long)
On Error GoTo MyErrorHandler
Dim hWndDesk As Long
hWndDesk = FindWindowEx(hWndMain, 0&, "XLDESK", vbNullString)
If hWndDesk <> 0 Then
Dim hWnd As Long
hWnd = FindWindowEx(hWndDesk, 0, vbNullString, vbNullString)
Dim strText As String
Dim lngRet As Long
Do While hWnd <> 0
strText = String$(100, Chr$(0))
lngRet = GetClassName(hWnd, strText, 100)
If Left$(strText, lngRet) = "EXCEL7" Then
GetExcelObjectFromHwnd hWnd
Exit Sub
End If
hWnd = FindWindowEx(hWndDesk, hWnd, vbNullString, vbNullString)
Loop
On Error Resume Next
End If
Exit Sub
MyErrorHandler:
MsgBox "GetWbkWindows" & vbCrLf & vbCrLf & "Err = " & Err.Number & vbCrLf & "Description: " & Err.Description
End Sub
Public Function GetExcelObjectFromHwnd(ByVal hWnd As Long) As Boolean
On Error GoTo MyErrorHandler
Dim fOk As Boolean
fOk = False
Dim iid As UUID
Call IIDFromString(StrPtr(IID_IDispatch), iid)
Dim obj As Object
If AccessibleObjectFromWindow(hWnd, OBJID_NATIVEOM, iid, obj) = 0 Then 'S_OK
Dim objApp As Excel.Application
Set objApp = obj.Application
Debug.Print objApp.Workbooks(1).Name
Dim myWorksheet As Worksheet
For Each myWorksheet In objApp.Workbooks(1).Worksheets
Debug.Print " " & myWorksheet.Name
DoEvents
Next
fOk = True
End If
GetExcelObjectFromHwnd = fOk
Exit Function
MyErrorHandler:
MsgBox "GetExcelObjectFromHwnd" & vbCrLf & vbCrLf & "Err = " & Err.Number & vbCrLf & "Description: " & Err.Description
End Function
关于vba - VBA 可以跨 Excel 实例吗?,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/2971473/