VBA 如何跟踪打开的工作簿?
我正在编写一个数据挖掘宏,它从可变数量的工作簿中获取信息。用户可以通过用户表单选择将解析哪些工作簿。但是,可以在用户窗体运行时打开和关闭工作簿。
那么,我的用户窗体如何跟踪打开的工作簿,以便准确显示它们。
现在,我正在使用一个递归函数,它使用“Application.OnTime”调用自身。我真的不喜欢这个解决方案,因为它涉及额外的检查以查看用户窗体是否仍然打开,以及由于调用函数的任何时间段而导致延迟。
决赛:答案和评论的组合解决方案
用户表单代码,需要一个名为 WorkbookList 的 ListBox 和一个名为 FileTextBox 的文本框
Private WithEvents App As Application
Public Sub WorkbookList_UpdateList()
WorkbookList.Clear
For Each Wb In Application.Workbooks
WorkbookList.AddItem Wb.name
Next Wb
End Sub
Private Sub WorkbookList_Change()
If WorkbookList.ListIndex = -1 Then Exit Sub
key = WorkbookList.List(WorkbookList.ListIndex)
For Each Wb In Application.Workbooks
IsWorkBookOpen Wb.path
If Wb.name = key Then FileTextbox.text = Wb.path
Next Wb
End Sub
Private Sub App_WorkbookOpen(ByVal Wb As Workbook)
WorkbookList_UpdateList
End Sub
Private Sub App_NewWorkbook(ByVal Wb As Workbook)
WorkbookList_UpdateList
End Sub
Private Sub App_WorkbookBeforeClose(ByVal Wb As Workbook, Cancel As Boolean)
Application.OnTime Now + TimeValue("00:00:01"), "WorkbookClosed"
End Sub
Private Sub UserForm_Initialize()
Set App = Application
WorkbookList_UpdateList
UpdatePeriodicly
End Sub
模块代码(将其放在 vba 模块中):
'Code From: http://www.ozgrid.com/forum/showthread.php?t=152892
Function IsUserFormLoaded(ByVal UFName As String) As Boolean
Dim UForm As Object
IsUserFormLoaded = False
For Each UForm In VBA.UserForms
If UForm.name = UFName Then
IsUserFormLoaded = True
Exit For
End If
Next
End Function
Public Sub WorkbookClosed()
If IsUserFormLoaded("InputForm") = False Then Exit Sub
InputForm.WorkbookList_UpdateList
End Sub
最佳答案
您可以为此使用应用程序事件。
例如。见 cpearson.com/excel/appevent.aspx
Private WithEvents app As Excel.Application
Sub Init()
Set app = Application 'start capturing events
End Sub
Private Sub app_NewWorkbook(ByVal Wb As Workbook)
Debug.Print "New"
End Sub
Private Sub app_WorkbookBeforeClose(ByVal Wb As Workbook, Cancel As Boolean)
Debug.Print "Before close: " & Wb.Name
End Sub
Private Sub app_WorkbookOpen(ByVal Wb As Workbook)
Debug.Print "Open: " & Wb.Name
End Sub
关于VBA 跟踪打开的工作簿,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/24941177/