[윈도우즈 API] 외부 프로그램 모달 창처럼 띄워서 종료될때 기다리기(시점 알기)

[팁]외부 프로그램 모달 창처럼 띄워서 종료될때 기다리기(시점 알기)

//구창민입니다.

//테스트 거쳤구여, ShowModal 창처럼 떠서 정확하게 동작합니다.

//항상 즐거운 프로그래밍 하세요.

unit Unit1;

interface

uses
  Windows, Messages, SysUtils, Classes, Graphics, Controls, Forms, Dialogs,
  StdCtrls, Grids;

type
  TForm1 = class(TForm)
    StringGrid1: TStringGrid;
    Button1: TButton;
    procedure Button1Click(Sender: TObject);
  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  Form1: TForm1;

implementation

{$R *.DFM}

function WinExecAndWait32V2(FileName: string; Visibility: integer): DWORD;
  procedure WaitFor(processHandle: THandle);
  var
    msg: TMsg;
    ret: DWORD;
  begin
    repeat
      ret:= MsgWaitForMultipleObjects(1, processHandle, False, INFINITE,
        QS_PAINT or QS_SENDMESSAGE);
      if ret = WAIT_FAILED then Exit;
      if ret = (WAIT_OBJECT_0 + 1) then
      begin
        while PeekMessage(msg, 0, WM_PAINT, WM_PAINT, PM_REMOVE) do
          DispatchMessage(msg);
      end;
    until ret = WAIT_OBJECT_0;
  end;
var
  zAppName: array[0..512] of char;
  StartupInfo: TStartupInfo;
  ProcessInfo: TProcessInformation;
begin
  StrPCopy(zAppName, FileName);
  FillChar(StartupInfo, Sizeof(StartupInfo), #0);
  StartupInfo.cb:= Sizeof(StartupInfo);
  StartupInfo.dwFlags:= STARTF_USESHOWWINDOW;
  StartupInfo.wShowWindow:= Visibility;
  if not CreateProcess(nil, zAppName, nil, nil, false,
        CREATE_NEW_CONSOLE or NORMAL_PRIORITY_CLASS, nil, nil, StartupInfo,
        ProcessInfo) then
    Result:= DWORD(-1)
  else
  begin
    Waitfor(ProcessInfo.hProcess);
    GetExitCodeProcess(ProcessInfo.hProcess, Result);
    CloseHandle(ProcessInfo.hProcess);
    CloseHandle(ProcessInfo.hThread);
  end;
end;


procedure TForm1.Button1Click(Sender: TObject);
begin
  while WinExecAndWait32V2(PChar('notepad'), 1) <> 0 do
    Application.ProcessMessages;
  ShowMessage('OK~');
end;

end.