Private Function IsRun(ByVal filename As String) As Boolean
On Error GoTo myerr
Dim mytempfile As String
mytempfile = App.Path + "\mytemp.bak"
FileCopy filename, mytempfile
Kill filename
IsRun = False
FileCopy mytempfile, filename
Kill mytempfile
Exit Function
myerr:
Select Case Err.Number
Case 75
Kill mytempfile
IsRun = True
Exit Function
Case Else
MsgBox Err.Description
End Select
End Function
'调用
Private Sub Command1_Click()
MsgBox IsRun("d:\mc\Duba_CodeBlue.EXE")
End Sub
应该是可以比较的。
下面是我找的一个例子。
Const TH32CS_SNAPHEAPLIST = &H1
Const TH32CS_SNAPPROCESS = &H2
Const TH32CS_SNAPTHREAD = &H4
Const TH32CS_SNAPMODULE = &H8
Const TH32CS_SNAPALL = (TH32CS_SNAPHEAPLIST Or TH32CS_SNAPPROCESS Or TH32CS_SNAPTHREAD Or TH32CS_SNAPMODULE)
Const TH32CS_INHERIT = &H80000000
Const MAX_PATH As Integer = 260
Private Type PROCESSENTRY32
dwSize As Long
cntUsage As Long
th32ProcessID As Long
th32DefaultHeapID As Long
th32ModuleID As Long
cntThreads As Long
th32ParentProcessID As Long
pcPriClassBase As Long
dwFlags As Long
szExeFile As String * MAX_PATH
End Type
Private Declare Function CreateToolhelp32Snapshot Lib "Kernel32" (ByVal lFlags As Long, ByVal lProcessID As Long) As Long
Private Declare Function Process32First Lib "Kernel32" (ByVal hSnapShot As Long, uProcess As PROCESSENTRY32) As Long
Private Declare Function Process32Next Lib "Kernel32" (ByVal hSnapShot As Long, uProcess As PROCESSENTRY32) As Long
Private Declare Sub CloseHandle Lib "Kernel32" (ByVal hPass As Long)
Private Sub Form_Load()
'KPD-Team 2000
'URL: http://www.allapi.net/
'E-Mail: KPDTeam@Allapi.net
Dim hSnapShot As Long, uProcess As PROCESSENTRY32
'Takes a snapshot of the processes and the heaps, modules, and threads used by the processes
hSnapShot = CreateToolhelp32Snapshot(TH32CS_SNAPALL, 0&)
'set the length of our ProcessEntry-type
uProcess.dwSize = Len(uProcess)
'Retrieve information about the first process encountered in our system snapshot
r = Process32First(hSnapShot, uProcess)
'set graphics mode to persistent
Me.AutoRedraw = True
Do While r
Me.Print Left$(uProcess.szExeFile, IIf(InStr(1, uProcess.szExeFile, Chr$(0)) > 0, InStr(1, uProcess.szExeFile, Chr$(0)) - 1, 0))
'Retrieve information about the next process recorded in our system snapshot
r = Process32Next(hSnapShot, uProcess)
Loop
'close our snapshot handle
CloseHandle hSnapShot
End Sub
Public Function ProgramRunning(strFileName As String) As Boolean
'检查程序是否已运行
Dim lSnapShot As Long '取得的快照的句柄
Dim typProcessInfo As PROCESSENTRY32
Dim bAppRunning As Boolean
lSnapShot = CreateToolhelp32Snapshot(TH32CS_SNAPPROCESS, 0)
bAppRunning = False
If lSnapShot <> 0 Then
typProcessInfo.dwSize = Len(typProcessInfo)
If (Process32First(lSnapShot, typProcessInfo)) = 1 Then
Do
If StrComp(Trim(typProcessInfo.szExeFile), Trim(strFileName), 1) = 0 Then
bAppRunning = True
Exit Do
End If
Loop Until (Process32Next(lSnapShot, typProcessInfo) <> 1)
End If
End If
CloseHandle lSnapShot
ProgramRunning = bAppRunning
Private Function IsRun(ByVal filename As String) As Boolean
On Error GoTo myerr
Open filename For Input Lock Read Write As #1
Close #1
IsRun = False
Exit Function
myerr:
Select Case Err.Number
Case 70
IsRun = True
Exit Function
End Select
End Function
'调用
Private Sub Command1_Click()
MsgBox IsRun("d:\mc\ttest.exe")
End Sub