Borland C++ Builder 与 Visual Basic『DoEvents』同样功能的函式

powerbuilder

<>与 Visual Basic『DoEvents』同样功能的函式</P>
0 Y( g+ c5 T5 M" [2 h9 t<>//Application.ProcessMessages </P>
<>void __fastcall TForm1::FormCreate(TObject* Sender)</P>
0 A" I' k$ u1 d* f8 Z3 U9 V<>{
  Button1-&gt;Caption = "Ignore Messages";
  Button2-&gt;Caption = "Handle Message";
}</P>
<>void __fastcall TForm1::Button1Click(TObject* Sender)
{
  int x, y;
  for (int i = 0; i &lt; 64000; i++)
  i8 ]6 C4 ^4 o3 c {
& n" x  A7 R; `9 G9 o    Randomize();
) t: K- a- n$ h( W: W' M- g& I    for (int j = 0; j &lt; 64000; j++)
      y = random(j);
( v+ a3 J* l; N    x = random(i);
6 ]) p4 P6 q2 k4 j% t* G: g# a* R  }
) N7 y; V& e7 V' |& d% u( R- G, ?  Canvas-&gt;TextOut(10, 10, "The Button1Click handler is finished");
) x$ t! H7 f& B% C2 l9 }7 E' a}</P>
<>void __fastcall TForm1::Button2Click(TObject *Sender)</P>
. D( D1 z; t: V4 r! w! E! O<>{
" ~0 E; K$ s6 f( u& o. a! e* e  int x, y;
  for (int i = 0; i &lt; 64000; i++)
  {
( f$ L4 Y+ N- K) }; w5 _    Randomize();
1 w; M2 Z$ H, r& F1 Y& _    for (int j = 0; j &lt; 64000; j++)
    {
1 A2 I8 W7 {( ^0 L$ s      y = random(j);
& \* r% a& A3 U- A      Application-&gtrocessMessages();
: k5 k* J1 [8 {/ s' v6 D: k6 }+ D    }
& i! \+ ~3 b" m: D6 \. w    x = random(i);
  }
$ o( s* p1 T+ u! E  Canvas-&gt;TextOut(10, 10, "The Button2Click handler is finished");
( q( G! Z/ r1 V0 U}</P>