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SDL_EnableKeyRepeat(0, 0);
event.key.keysym.sym := 0;
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procedure MenuSystem;
var
menu: integer;
begin
while (SDL_WaitEvent(@event) >= 0) do
begin
case event.type_ of
SDL_QUITEV: //ÕâÀï´¦Àí´°¿ÚÍ˳öʼþ
if messagebox(0, 'Are you sure to quit?', 'KYS Windows', MB_OKCANCEL) = IDOK then Quit;
SDL_KEYUP:
begin
if (event.key.keysym.sym = sdlk_down) then
begin
menu := menu+1;
if menu > 3 then menu := 0; //°´ÏÂϼüµÄÒç³ö
showMenusystem(menu); //ÿ´Îµ±Ç°Ñ¡Öз¢Éú±ä»¯Ê±, ¾ùÖØ»Ñ¡µ¥
end;
if (event.key.keysym.sym = sdlk_up) then
begin
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