unit DFindWindow;

interface

uses
  Winapi.Windows, Winapi.Messages, System.SysUtils, System.Variants, System.Classes, Vcl.Graphics,
  Vcl.Controls, Vcl.Forms, Vcl.Dialogs;

const
  FRAME_LINE = 6;

type
  TDlgFindWindow = class(TForm)
  private
    { Private declarations }
  public
    { Public declarations }
    procedure ShowFindRect(const aRect: TRect);
  end;

var
  DlgFindWindow: TDlgFindWindow;

implementation

{$R *.dfm}

procedure TDlgFindWindow.ShowFindRect(const aRect: TRect);
var
  RectRgn1,
  RectRgn2,
  RectRgn3 : THandle;
  Monitor: TMonitor;
begin
// TForm.DefaultMonitor ¼Ó¼ºÀ» dmDesktop·Î ÇØ¾ß ´Ù¸¥ ¸ð´ÏÅÍ¿¡µµ Ç¥½Ã°¡ µÈ´Ù... 21_0721 14:41:23 sunk


  Left := aRect.Left;
  Top := aRect.Top;
  Width := aRect.Right - aRect.Left;
  Height := aRect.Bottom - aRect.Top;

  RectRgn1 := CreateRectRgn(0, 0, Width, Height);
  RectRgn2 := CreateRectRgn(0, 0, Width, Height);
  RectRgn3 := CreateRectRgn(FRAME_LINE, FRAME_LINE, Width-FRAME_LINE, Height-FRAME_LINE);
  CombineRgn(RectRgn1, RectRgn2, RectRgn3, RGN_XOR);
  SetWindowRgn(Handle, RectRgn1, True);
  DeleteObject(RectRgn1);
  DeleteObject(RectRgn2);
  DeleteObject(RectRgn3);

  Show;
end;

end.