u5_4_1.cpp

《C++ Builder 5程序设计——基础教学篇》程序源代码2.

//--------------------  u5_4_1  -------------------------------------------------------
#include <vcl.h>
#pragma hdrstop

#include "u5_4_1.h"
//---------------------------------------------------------------------------
#pragma package(smart_init)
#pragma resource "*.dfm"
Tf5_4_1 *f5_4_1;
//---------------------------------------------------------------------------
__fastcall Tf5_4_1::Tf5_4_1(TComponent* Owner)
        : TForm(Owner)
{
}
//----------------------------------------------------------------------

void __fastcall Tf5_4_1::FormPaint(TObject *Sender)
{
  int num1=-90,num2;
  num2=num1;
  if (num1<0)
    num2=-num1;
  Canvas->TextOut(10,10,IntToStr(num1)+"