This VB6 sample will kill instances of Word.
To test the code sample you will need to open a new VB6 project with a Form
and 2 commandbuttons
Option Explicit
Private Declare Function TerminateProcess Lib "kernel32" ( _
ByVal hProcess As Long, ByVal uExitCode As Long) As Long
Private Declare Function Process32First Lib "kernel32" ( _
ByVal hSnapshot As Long, lppe As PROCESSENTRY32) As Long
Private Declare Function Process32Next Lib "kernel32" ( _
ByVal hSnapshot As Long, lppe As PROCESSENTRY32) As Long
Private Declare Function CloseHandle Lib "Kernel32.dll" _
(ByVal Handle As Long) As Long
Private Declare Function OpenProcess Lib "Kernel32.dll" _
(ByVal dwDesiredAccessas As Long, ByVal bInheritHandle As Long, _
ByVal dwProcId As Long) As Long
Private Declare Function EnumProcesses Lib "psapi.dll" _
(ByRef lpidProcess As Long, ByVal cb As Long, _
ByRef cbNeeded As Long) As Long
Private Declare Function GetModuleFileNameExA Lib "psapi.dll" _
(ByVal hProcess As Long, ByVal hModule As Long, _
ByVal ModuleName As String, ByVal nSize As Long) As Long
Private Declare Function EnumProcessModules Lib "psapi.dll" _
(ByVal hProcess As Long, ByRef lphModule As Long, _
ByVal cb As Long, ByRef cbNeeded As Long) As Long
Private Declare Function CreateToolhelp32Snapshot Lib "kernel32" ( _
ByVal dwFlags As Long, ByVal th32ProcessID As Long) As Long
Private Declare Function GetVersionExA Lib "kernel32" _
(lpVersionInformation As OSVERSIONINFO) As Integer
Private Type PROCESSENTRY32
dwSize As Long
cntUsage As Long
th32ProcessID As Long ' This process
th32DefaultHeapID As Long
th32ModuleID As Long ' Associated exe
cntThreads As Long
th32ParentProcessID As Long ' This process's parent process
pcPriClassBase As Long ' Base priority of process threads
dwFlags As Long
szExeFile As String * 260 ' MAX_PATH
End Type
Private Type OSVERSIONINFO
dwOSVersionInfoSize As Long
dwMajorVersion As Long
dwMinorVersion As Long
dwBuildNumber As Long
dwPlatformId As Long '1 = Windows 95.
'2 = Windows NT
szCSDVersion As String * 128
End Type
Private Const PROCESS_QUERY_INFORMATION = 1024
Private Const PROCESS_VM_READ = 16
Private Const MAX_PATH = 260
Private Const STANDARD_RIGHTS_REQUIRED = &HF0000
Private Const SYNCHRONIZE = &H100000
'STANDARD_RIGHTS_REQUIRED Or SYNCHRONIZE Or &HFFF
Private Const PROCESS_ALL_ACCESS = &H1F0FFF
Private Const TH32CS_SNAPPROCESS = &H2&
Private Const hNull = 0
Function StrZToStr(s As String) As String
StrZToStr = Left$(s, Len(s) - 1)
End Function
Private Function getVersion() As Long
Dim osinfo As OSVERSIONINFO
Dim retvalue As Integer
osinfo.dwOSVersionInfoSize = 148
osinfo.szCSDVersion = Space$(128)
retvalue = GetVersionExA(osinfo)
getVersion = osinfo.dwPlatformId
End Function
Private Sub TerminateWord()
Select Case getVersion()
Case 1 'Windows 95/98
Dim f As Long, sname As String
Dim hSnap As Long, proc As PROCESSENTRY32
'Take a snapshot of the running processes
hSnap = CreateToolhelp32Snapshot(TH32CS_SNAPPROCESS, 0)
If hSnap = hNull Then Exit Sub
' Iterate through the processes
proc.dwSize = Len(proc)
f = Process32First(hSnap, proc)
Do While f
sname = StrZToStr(proc.szExeFile)
'If the EXE name contains "WinWord.exe", we've found an instance
of Word
If (InStr(1, LCase(sname), "winword.exe", vbTextCompare) > 0)
Then
'Confirm that we want to terminate it
If (MsgBox("Found an instance of Word. Are you sure you
want to Terminate it?", vbOKCancel) = vbOK) Then
Dim lretprocesshandle As Long
lretprocesshandle = OpenProcess(PROCESS_ALL_ACCESS,
True, _
proc.th32ProcessID)
TerminateProcess lretprocesshandle, -1
DoEvents
End If
End If
f = Process32Next(hSnap, proc)
Loop
Case 2 'Windows NT
Dim cb As Long
Dim cbNeeded As Long
Dim NumElements As Long
Dim ProcessIDs() As Long
Dim cbNeeded2 As Long
Dim NumElements2 As Long
Dim Modules(1 To 200) As Long
Dim lRet As Long
Dim ModuleName As String
Dim nSize As Long
Dim hProcess As Long
Dim i As Long
'Get the array containing the process id's for each process object
cb = 8
cbNeeded = 96
Do While cb <= cbNeeded
cb = cb * 2
ReDim ProcessIDs(cb / 4) As Long
lRet = EnumProcesses(ProcessIDs(1), cb, cbNeeded)
Loop
NumElements = cbNeeded / 4
For i = 1 To NumElements
'Get a handle to the Process
hProcess = OpenProcess(PROCESS_ALL_ACCESS, 0, ProcessIDs(i))
'Got a Process handle
If hProcess <> 0 Then
'Get an array of the module handles for the specified
'process
lRet = EnumProcessModules(hProcess, Modules(1), 200, _
cbNeeded2)
'If the Module Array is retrieved, Get the ModuleFileName
If lRet <> 0 Then
ModuleName = Space(MAX_PATH)
nSize = 500
lRet = GetModuleFileNameExA(hProcess, Modules(1), _
ModuleName, nSize)
'If the EXE name contains "WinWord.exe", we've found an
instance of Word
If (InStr(1, LCase(ModuleName), "winword.exe",
vbTextCompare) > 0) Then
'Confirm that we want to terminate it
If (MsgBox("Found an instance of Word. Are you sure
you want to Terminate it?", vbOKCancel) = vbOK) Then
'If so, go ahead and kill it
TerminateProcess hProcess, -1
End If
End If
End If
End If
'Close the handle to the process
lRet = CloseHandle(hProcess)
Next
End Select
MsgBox "Done searching"
End Sub
Private Sub Command1_Click()
Dim x As Integer
Dim ow As Object
For x = 1 To 5
Set ow = CreateObject("Word.application")
Next
End Sub
Private Sub Command2_Click()
TerminateWord
End Sub
I've not tested this with Word in a hung state.
I agree error handling would be a better solution then forcing Word to quit.
Regards,
