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标题: Borland C++ Builder 与 Visual Basic『DoEvents』同样功能的函式 [打印本页]
作者: powerbuilder    时间: 2004-7-15 16:57
标题: Borland C++ Builder 与 Visual Basic『DoEvents』同样功能的函式
<>与 Visual Basic『DoEvents』同样功能的函式</P>" M8 @8 j3 M' @& E
<>//Application.ProcessMessages </P>
* z. |$ e1 g% f  e<>void __fastcall TForm1::FormCreate(TObject* Sender)</P>8 Q4 L- Z* E8 T4 H
<>{
# n% d- ^$ V% o# K8 b$ ]0 A9 M  Button1-&gt;Caption = "Ignore Messages";6 u3 y3 @% s) }, O' t
  Button2-&gt;Caption = "Handle Message";6 f9 G5 W" [7 ^/ s& w' m1 C+ v! Q; u
}</P>
% Z4 _1 v- N+ n$ [7 u+ g<>void __fastcall TForm1::Button1Click(TObject* Sender)* Y; A1 T, a/ k) Z" O0 z, o3 M! T
{
* N6 l* S8 H1 G& J9 c  int x, y;
) G* _7 }7 ^0 P& |( n  for (int i = 0; i &lt; 64000; i++)- s: y: P. b  I! J) n3 W1 f+ R- ]
{
- j. a/ O- b) l( u# ?5 k    Randomize();
( j& Z6 _, Q- R( m; o7 X# n! x    for (int j = 0; j &lt; 64000; j++)8 b5 b' d8 H. t
      y = random(j);8 e* S& }9 r% Z0 e0 x+ D
    x = random(i);
2 g, u7 O$ V. W9 F3 h  }
8 N) {5 e1 E" a3 L9 n$ _  Canvas-&gt;TextOut(10, 10, "The Button1Click handler is finished");* z& y1 |) b* u! K4 `" e
}</P>) ?1 h: K! k$ d
<>void __fastcall TForm1::Button2Click(TObject *Sender)</P>
  ~! s4 g/ q1 c4 U  u' |% m% W0 g<>{
/ K% d# |- f+ F/ z" T* {' N  int x, y;2 G' V% S; E; X/ l
  for (int i = 0; i &lt; 64000; i++)
' Y6 ?# c- {7 _# B( q  {
! i' M0 R# ]1 f" j& M0 s    Randomize();
4 Y; p+ t! Z! Y, {; {, n    for (int j = 0; j &lt; 64000; j++)
+ v- g: j4 I, V0 M$ w    {: X' L, b+ \6 f. Y2 Q
      y = random(j);) z: Z2 o2 y" v* {( X
      Application-&gtrocessMessages();
" ?( P; ]$ M( P! d& ~3 M- ?1 f5 |    }
* B. g* G0 O! q2 K    x = random(i);8 R9 B/ ]! i$ y0 g
  }
3 p$ A3 M7 {  p) I  Canvas-&gt;TextOut(10, 10, "The Button2Click handler is finished");
& r7 ~* w" \1 m. W& N, O, c. j% r}</P>



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