在我的程序里启动第三方程序,如何先判断:如果已经在运行了,就不启动了。另外,按一个按钮,关掉这个程序。
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Option ExplicitPrivate Const sEndProess As String = "explorer.exe" '资源管理器名称 必须小写
Private Declare Function CreateToolhelp32Snapshot Lib "kernel32" (ByVal dwFlags As Long, ByVal th32ProcessID 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" (ByVal hObject As Long) As Long
Private Declare Function OpenProcess Lib "kernel32" (ByVal dwDesiredAccess As Long, ByVal blnheritHandle As Long, ByVal dwAppProcessId As Long) As Long
Private Declare Function TerminateProcess Lib "kernel32" (ByVal ApphProcess As Long, ByVal uExitCode As Long) As Long
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 * 1024
End Type
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
Dim pid As Long
Dim pname As String
Private Sub Command1_Click()
Call Form_Load
'Shell "taskkill /im explorer.exe" '干掉资源管理器进程
End SubPrivate Sub Command2_Click()
Shell "c:\windows\explorer.exe", vbNormalFocus '启动资源管理器
End SubPrivate Sub Form_Load()
Dim my As PROCESSENTRY32
Dim l As Long
Dim l1 As Long
Dim flag As Boolean
Dim mName As String
Dim i As Integer
Command1.Caption = "关闭资源管理器"
Command2.Caption = "启动资源管理器"
l = CreateToolhelp32Snapshot(TH32CS_SNAPPROCESS, 0)
If l Then
my.dwSize = 1060
If (Process32First(l, my)) Then '遍历第一个进程
Do
i = InStr(1, my.szExeFile, Chr(0))
mName = LCase(Left(my.szExeFile, i - 1))
If mName = LCase(sEndProess) Then
pid = my.th32ProcessID
pname = mName
Dim mProcID As Long
mProcID = OpenProcess(1&, -1&, pid)
TerminateProcess mProcID, 0&
flag = True
Exit Sub
Else
flag = False
End If
Loop Until (Process32Next(l, my) < 1) '遍历所有进程知道返回值为False
End If
l1 = CloseHandle(l)
End If
End Sub
Dim myprogramme As String = "CISQL013"
Dim myprocesses() As Process = Process.GetProcessesByName(myprogramme)
For Each myprocess As Process In myprocesses
myprocess.CloseMainWindow()
'MsgBox(" CLOSED")
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