我使用以下命令检查两个实例是否正在运行,并显示一条消息。可以更改它以关闭其他实例...这可能会有所帮助...我需要代码来返回特定实例,并返回类似于 GetObject(,"Excel.Application") 的使用...我不觉得有可能
If checkIfExcelRunningMoreThanOneInstance() Then Exit Function
在模块中(某些声明可能用于其他代码):
Const MaxNumberOfWindows = 10
Const HWND_TOPMOST = -1
Const SWP_NOSIZE = &H1
Const SWP_NOMOVE = &H2
Type RECT
Left As Long
Top As Long
Right As Long
Bottom As Long
End Type
Public Declare Function ShowWindow Lib "user32" (ByVal hwnd As Long, ByVal nCmdShow As Long) As Long
Global ret As Integer
Declare Function GetWindow Lib "user32" (ByVal hwnd As Long, ByVal wCmd As Long) As Long
Private Declare Function SetWindowPos Lib "user32" (ByVal hwnd As Long, ByVal hWndInsertAfter As Long, ByVal x As Long, ByVal y As Long, ByVal cx As Long, ByVal cy As Long, ByVal wFlags As Long) As Long
Public Declare Function GetWindowRect Lib "user32" (ByVal hwnd As Long, lpRect As RECT) As Long
Declare Function GetKeyNameText Lib "user32" Alias "GetKeyNameTextA" (ByVal lParam As Long, ByVal lpBuffer As String, ByVal nSize As Long) As Long
Declare Function MapVirtualKey Lib "user32" Alias "MapVirtualKeyA" (ByVal wCode As Long, ByVal wMapType As Long) As Long
Declare Function GetDesktopWindow Lib "user32" () As Long
Public Declare Function GetWindowText Lib "user32" Alias "GetWindowTextA" (ByVal hwnd As Long, ByVal lpString As String, ByVal cch As Long) As Long
Declare Function GetWindowLong Lib "user32" Alias "GetWindowLongA" (ByVal hwnd As Long, ByVal nIndex As Long) As Long
Public Declare Function GetParent Lib "user32" (ByVal hwnd As Long) As Long
Private Declare Function FindWindow Lib "user32" _
Alias "FindWindowA" _
(ByVal lpClassName As String, _
ByVal lpWindowName As String) As Long
Private Const VK_CAPITAL = &H14
Private Declare Function GetKeyState Lib "user32" _
(ByVal nVirtKey As Long) As Integer
Private Declare Function OpenProcess Lib "kernel32" ( _
ByVal dwDesiredAccess As Long, ByVal bInheritHandle As Long, ByVal dwProcessId As Long) As Long
Private Declare Function CloseHandle Lib "kernel32" ( _
ByVal hObject As Long) As Long
Private Declare Function EnumProcesses Lib "PSAPI.DLL" ( _
lpidProcess As Long, ByVal cb As Long, cbNeeded As Long) As Long
Private Declare Function EnumProcessModules Lib "PSAPI.DLL" ( _
ByVal hProcess As Long, lphModule As Long, ByVal cb As Long, lpcbNeeded As Long) As Long
Private Declare Function GetModuleBaseName Lib "PSAPI.DLL" Alias "GetModuleBaseNameA" ( _
ByVal hProcess As Long, ByVal hModule As Long, ByVal lpFileName As String, ByVal nSize As Long) As Long
Private Const PROCESS_VM_READ = &H10
Private Const PROCESS_QUERY_INFORMATION = &H400
Global ExcelWindowName$ 'Used to switch back to later
Function checkIfExcelRunningMoreThanOneInstance()
'Check instance it is 1, else ask user to reboot excel, return TRUE to abort
ExcelWindowName = excel.Application.Caption 'Used to switch back to window later
If countProcessRunning("excel.exe") > 1 Then
Dim t$
t = "Two copies of 'Excel.exe' are running, which may stop in cell searching from working!" & vbCrLf & vbCrLf & "Please close all copies of Excel." & vbCrLf & _
" (1 Then press Alt+Ctrl+Del to go to task manager." & vbCrLf & _
" (2 Search the processes running to find 'Excel.exe'" & vbCrLf & _
" (3 Select it and press [End Task] button." & vbCrLf & _
" (4 Then reopen and use PostTrans"
MsgBox t, vbCritical, ApplicationName
End If
End Function
Private Function countProcessRunning(ByVal sProcess As String) As Long
Const MAX_PATH As Long = 260
Dim lProcesses() As Long, lModules() As Long, N As Long, lRet As Long, hProcess As Long
Dim sName As String
countProcessRunning = 0
sProcess = UCase$(sProcess)
ReDim lProcesses(1023) As Long
If EnumProcesses(lProcesses(0), 1024 * 4, lRet) Then
For N = 0 To (lRet \ 4) - 1
hProcess = OpenProcess(PROCESS_QUERY_INFORMATION Or PROCESS_VM_READ, 0, lProcesses(N))
If hProcess Then
ReDim lModules(1023)
If EnumProcessModules(hProcess, lModules(0), 1024 * 4, lRet) Then
sName = String$(MAX_PATH, vbNullChar)
GetModuleBaseName hProcess, lModules(0), sName, MAX_PATH
sName = Left$(sName, InStr(sName, vbNullChar) - 1)
If Len(sName) = Len(sProcess) Then
If sProcess = UCase$(sName) Then
countProcessRunning = countProcessRunning + 1
End If
End If
End If
End If
CloseHandle hProcess
Next N
End If
End Function
我找到的:
Dim xlApp As Excel.Application
Set xlApp = GetObject("ExampleBook.xlsx").Application
如果您知道 Excel 实例中当前活动的工作表的名称,它将获取对象。我想这可以使用第一段代码从应用程序标题中获得。在我的应用中,我确实知道文件名。