使用Shell指令具有Wait的功能

2019-11-18 17:40:10

字體：大中小

供稿：網(wǎng)友

VB中，常以Shell指令來執(zhí)行外部程式，然而它在Create該外部(ByValdwDesired accessAsLong,ByValbInheritHandleAsLong,_
ByValdwProcessIdAsLong)AsLong
PrivateDeclareFunctionWaitForSingleObjectLib"kernel32"_
(ByValhHandleAsLong,ByValdwMillisecondsAsLong)AsLong
PrivateDeclareFunctionCloseHandleLib"kernel32"_
(ByValhObjectAsLong)AsLong
PrivateDeclareFunctionGetExitCodeProcessLib"kernel32"_
(ByValhProcessAsLong,lpExitCodeAsLong)AsLong
PrivateDeclareFunctionTerminateProcessLib"kernel32"_
(ByValhProcessAsLong,ByValuExitCodeAsLong)AsLong
PrivateDeclareFunctionGetForegroundWindowLib"user32"()AsLong
PrivateDeclareFunctionIsWindowLib"user32"_
(ByValhwndAsLong)AsLong

ConstPROCESS_QUERY_INFORMATION=&H400
ConstSTILL_ALIVE=&H103
ConstINFINITE=&HFFFF

PrivateExitCodeAsLong
PrivatehProcessAsLong
PrivateisDoneAsLong
PrivateSubCommand1_Click()
DimpidAsLong
pid=Shell("C:/tools/spe3/pe2.exe",vbNormalFocus)
hProcess=OpenProcess(PROCESS_QUERY_INFORMATION,0,pid)
isDone=False
Do
CallGetExitCodeProcess(hProcess,ExitCode)
Debug.PrintExitCode
DoEvents
LoopWhileExitCode=STILL_ALIVE
CallCloseHandle(hProcess)
isDone=True
EndSub

PrivateSubCommand2_Click()
DimpidAsLong
DimExitEventAsLong
pid=Shell("C:/tools/spe3/pe2.exe",vbNormalFocus)
hProcess=OpenProcess(PROCESS_QUERY_INFORMATION,0,pid)
ExitEvent=WaitForSingleObject(hProcess,INFINITE)
CallCloseHandle(hProcess)
EndSub

PrivateSubCommand3_Click()
DimaaAsLong
IfhProcess<>0Then
aa=TerminateProcess(hProcess,3838)
EndIf

EndSub

PrivateSubCommand4_Click()
DimpidAsLong
Dimhwnd5AsLong
pid=Shell("c:/tools/spe3/pe2.exe",vbNormalFocus)
hwnd5=GetForegroundWindow()
isDone=False
DoWhileIsWindow(hwnd5)
DoEvents
Loop
isDone=True
EndSub

PrivateSubCommand5_Click()
DimpidAsLong
'pid=Shell("c:/windows/command/xcopyc:/aa.bata:",vbHide)
pid=Shell("c:/command.com/cc:/aa.bat",vbNormalFocus)
EndSub->

上一篇：ADO設(shè)定獨(dú)占性的資料庫

下一篇：如何使用文件復(fù)制對(duì)話框