Оформил: DeeCo
Автор: http://www.swissdelphicenter.ch

{ Open a file or starts a programm (without parameters) }

 procedure OpenFile(FileName: string);
 var
   c: array[0..800] of Char;
 begin
   StrPCopy(c, FileName);
   ShellExecute(Application.Handle, 'open', c, nil, nil, SW_NORMAL);
 end;

 { Starts a programm with commandline parameters }

 procedure OpenProgram(prog, params: string);
 var
   c, p: array[0..800] of Char;
 begin
   StrPCopy(c, prog);
   StrPCopy(p, params);
   ShellExecute(Application.Handle, 'open', c, p, nil, SW_NORMAL);
 end;

 { Starts a program and wait until its terminated: 
  WindowState is of the SW_xxx constants }

 function ExecAndWait(const FileName, Params: string;
   WindowState: Word): Boolean;
 var
   SUInfo: TStartupInfo;
   ProcInfo: TProcessInformation;
   CmdLine: string;
 begin
   { Enclose filename in quotes to take care of 
    long filenames with spaces. }
   CmdLine := '"' + FileName + '"' + Params;
   FillChar(SUInfo, SizeOf(SUInfo), #0);
   with SUInfo do
   begin
     cb := SizeOf(SUInfo);
     dwFlags := STARTF_USESHOWWINDOW;
     wShowWindow := WindowState;
   end;
   Result := CreateProcess(nil, PChar(CmdLine), nil, nil, False,
     CREATE_NEW_CONSOLE or
     NORMAL_PRIORITY_CLASS, nil,
     PChar(ExtractFilePath(FileName)),
     SUInfo, ProcInfo);
   { Wait for it to finish. }
   if Result then
     WaitForSingleObject(ProcInfo.hProcess, INFINITE);
 end;

 { Execute a complete shell command line and waits until terminated. }

 function ExecCmdLineAndWait(const CmdLine: string;
   WindowState: Word): Boolean;
 var
   SUInfo: TStartupInfo;
   ProcInfo: TProcessInformation;
 begin
   { Enclose filename in quotes to take care of 
    long filenames with spaces. }
   FillChar(SUInfo, SizeOf(SUInfo), #0);
   with SUInfo do
   begin
     cb := SizeOf(SUInfo);
     dwFlags := STARTF_USESHOWWINDOW;
     wShowWindow := WindowState;
   end;
   Result := CreateProcess(nil, PChar(CmdLine), nil, nil, False,
     CREATE_NEW_CONSOLE or
     NORMAL_PRIORITY_CLASS, nil,
     nil {PChar(ExtractFilePath(Filename))},
     SUInfo, ProcInfo);
   { Wait for it to finish. }
   if Result then
     WaitForSingleObject(ProcInfo.hProcess, INFINITE);
 end;

 { Execute a complete shell command line without waiting. }

 function OpenCmdLine(const CmdLine: string;
   WindowState: Word): Boolean;
 var
   SUInfo: TStartupInfo;
   ProcInfo: TProcessInformation;
 begin
   { Enclose filename in quotes to take care of 
    long filenames with spaces. }
   FillChar(SUInfo, SizeOf(SUInfo), #0);
   with SUInfo do
   begin
     cb := SizeOf(SUInfo);
     dwFlags := STARTF_USESHOWWINDOW;
     wShowWindow := WindowState;
   end;
   Result := CreateProcess(nil, PChar(CmdLine), nil, nil, False,
     CREATE_NEW_CONSOLE or
     NORMAL_PRIORITY_CLASS, nil,
     nil {PChar(ExtractFilePath(Filename))},
     SUInfo, ProcInfo);
 end;