u11_3_1.cpp

C++Builde5程序设计—基础教学篇程序源代码1。

//----------------  u11_3_1  -----------------------------------------------------------
#include <vcl.h>
#pragma hdrstop

#include "U11_3_1.h"
//---------------------------------------------------------------------------
#pragma package(smart_init)
#pragma resource "*.dfm"
Tf11_3_1 *f11_3_1;
//---------------------------------------------------------------------------
__fastcall Tf11_3_1::Tf11_3_1(TComponent* Owner)
    : TForm(Owner)
{
}
//---------------  u11_3_1  ------------------------------------------------------------
void __fastcall Tf11_3_1::FormPaint(TObject *Sender)
{
  int add(int a,int b);
  int x,y,z;
  x=3;    y=5;
  z=add(x,y);
  Canvas->TextOut(10,10,"x =  "+IntToStr(x));
  Canvas->TextOut(10,30,"y = "+IntToStr(y));
  Canvas->TextOut(10,50,"x + y = "+IntToStr(z));
}
//---------------------------------------------------------------------------
int add(int a,int b)
{ int c;
  c=a+b;
  return(c);
}