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Posted on 1998-05-26
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Last Modified: 2010-04-06
In Delphi program I call Dos program. If I call this program several times, how can I determineted when one instance of this program finished. I need a time.
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Question by:p_uros
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Expert Comment

by:gnom
ID: 1347882
how do you call your Dos programm ?

with CreateProcess ?

Gnom
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ssite earned 100 total points
ID: 1347883
This is off of the delphi knowlede base with some of my additions for you :

function WinExecAndWait32(FileName:String; Visibility : integer):integer;
var
  zAppName:array[0..512] of char;
  zCurDir:array[0..255] of char;
  WorkDir:String;

  StartupInfo:TStartupInfo;
  ProcessInfo:TProcessInformation;
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
   StartTime := now;
    WaitforSingleObject(ProcessInfo.hProcess,INFINITE);
    GetExitCodeProcess(ProcessInfo.hProcess,Result);
    Endtime := now;
  end;
end;
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