100分!用CreateProcess调用exe的问题
ywk 2002-11-13 05:16:40 用CreateProcess执行Myapp.exe,Myapp.exe从开始执行到结束需要大约两分钟,怎么才能让程序等着Myapp.exe执行结束后再继续往下执行?
我用的代码如下,但是只会等到程序开始执行,而不是执行结束。请大侠们帮忙看看,多谢了!
function TForm1.WinExecAndWait32(FileName: string;
Visibility: integer): integer;
{-------------调用其他程序并等待-----------}
var
zAppName: array[0..512] of char;
zCurDir: array[0..255] of char;
WorkDir: string;
StartupInfo: TStartupInfo;
ProcessInfo: TProcessInformation;
ExecResult: DWORD;
begin
StrPCopy(zAppName, FileName);
GetDir(0, WorkDir);
StrPCopy(zCurDir, WorkDir);
FillChar(StartupInfo, Sizeof(StartupInfo), #0);
StartupInfo.cb := Sizeof(StartupInfo);
StartupInfo.dwFlags := STARTF_USESHOWWINDOW;
StartupInfo.wShowWindow := Visibility;
if not CreateProcess(nil,
zAppName, { pointer to command line string }
nil, { pointer to process security attributes }
nil, { pointer to thread security attributes }
false, { handle inheritance flag }
CREATE_NEW_CONSOLE or { creation flags }
NORMAL_PRIORITY_CLASS,
nil, { pointer to new environment block }
nil, { pointer to current directory name }
StartupInfo, { pointer to STARTUPINFO }
ProcessInfo) then Result := -1 { pointer to PROCESS_INF }
else begin
ShowWindow(Application.Handle, SW_HIDE);
Enabled := false;
WaitforSingleObject(ProcessInfo.hProcess, INFINITE);
GetExitCodeProcess(ProcessInfo.hProcess, ExecResult);
Result := ExecResult;
Enabled := true;
ShowWindow(Application.Handle, SW_SHOWNORMAL);
BringToFront;
Application.BringToFront;
SetFocus;
end;
end;