ProgramID = Shell(lpCmdLine, nCmdShow)
hProgram = OpenProcess(SYNCHRONIZE, False, ProgramID)
If hProgram Then
Call WaitForSingleObject(hProgram, INFINITE)
Call CloseHandle(hProgram)
End If
hProgram = OpenProcess(SYNCHRONIZE, False, ProgramID)
If hProgram Then
Call WaitForSingleObject(hProgram, INFINITE)
Call CloseHandle(hProgram)
End If
Declare Function OpenProcess Lib "kernel32" (ByVal dwDesiredaccess&, ByVal bInherithandle&, ByVal dwProcessid&) As LongDeclare Function GetExitCodeProcess Lib "kernel32" (ByVal hProcess As Long, lpexitcode As Long) As LongConst STILL_ACTIVE = &H103
Const PROCESS_QUERY_INFORMATION = &H400
程序:
hShell = Shell("调用的程序.exe", vbNormalFocus) hProc = OpenProcess(PROCESS_QUERY_INFORMATION, False, hShell)
Do
GetExitCodeProcess hProc, lExit
DoEvents
Loop While lExit <> STILL_ACTIVE
msgbox"程序结束"
'因为使用循环,我认为效率低,下面这个效率高,更好
Option ExplicitPrivate Type STARTUPINFO
cb As Long
lpReserved As String
lpDesktop As String
lpTitle As String
dwX As Long
dwY As Long
dwXSize As Long
dwYSize As Long
dwXCountChars As Long
dwYCountChars As Long
dwFillAttribute As Long
dwFlags As Long
wShowWindow As Integer
cbReserved2 As Integer
lpReserved2 As Long
hStdInput As Long
hStdOutput As Long
hStdError As Long
End TypePrivate Type PROCESS_INFORMATION
hProcess As Long
hThread As Long
dwProcessID As Long
dwThreadID As Long
End TypePrivate Declare Function dcWaitForSingleObject Lib "kernel32" Alias "WaitForSingleObject" (ByVal hHandle As Long, ByVal dwMilliseconds As Long) As LongPrivate Declare Function dcCreateProcess Lib "kernel32" Alias "CreateProcessA" (ByVal _
lpApplicationName As Long, ByVal lpCommandLine As String, ByVal _
lpProcessAttributes As Long, ByVal lpThreadAttributes As Long, _
ByVal bInheritHandles As Long, ByVal dwCreationFlags As Long, _
ByVal lpEnvironment As Long, ByVal lpCurrentDirectory As Long, _
lpStartupInfo As STARTUPINFO, lpProcessInformation As _
PROCESS_INFORMATION) As LongPrivate Declare Function dcCloseHandle Lib "kernel32" Alias "CloseHandle" (ByVal hObject As Long) As LongPrivate Declare Function dcGetExitCodeProcess Lib "kernel32" Alias "GetExitCodeProcess" (ByVal hProcess As Long, lpExitCode As Long) As LongPrivate Const NORMAL_PRIORITY_CLASS = &H20&
Private Const INFINITE = -1&
Public Function ExecCmd(cmdline$)
Dim proc As PROCESS_INFORMATION
Dim start As STARTUPINFO
Dim ret As Long
On Error GoTo errExit
' Initialize the STARTUPINFO structure:
start.cb = Len(start)
' Start the shelled application:
ret = dcCreateProcess(0&, cmdline$, 0&, 0&, 1&, _
NORMAL_PRIORITY_CLASS, 0&, 0&, start, proc)
' Wait for the shelled application to finish:
ret = dcWaitForSingleObject(proc.hProcess, INFINITE)
If ret = WAIT_TIMEOUT Then
'After 15 min program may be hung?
Call dcTerminateProcess(proc.hProcess, enAllFail)
End If
Call dcGetExitCodeProcess(proc.hProcess, ret&)
Call dcCloseHandle(proc.hProcess)
ExecCmd = ret&
Exit Function
errExit:
'Error handler here
End Function
'这个效率高,而且能够得到程序返回值