mainform.cpp

C++ BUILDER精彩编程实例集锦(源码)3 第五部分 系统编程 第六部分 数据库应用

//---------------------------------------------------------------------------

#include <vcl.h>
#pragma hdrstop

#include "MainForm.h"
//---------------------------------------------------------------------------
#pragma package(smart_init)
#pragma resource "*.dfm"
TForm1 *Form1;
//---------------------------------------------------------------------------
__fastcall TForm1::TForm1(TComponent* Owner)
        : TForm(Owner)
{
   this->Timer1->Interval=1000;
   this->Timer1->Enabled=false;
   for(int i=0;i<20;i++)
   {
     this->Series1->AddY(random(100)*1.0,"",clBlue);
   }
}

void __fastcall TForm1::BitBtn2Click(TObject *Sender)
{
    this->Timer1->Enabled=true;
}
//---------------------------------------------------------------------------

void __fastcall TForm1::PaintChart(TObject *Sender)
{
  for(int i=0;i<(this->Chart1->SeriesCount());i++)
  {
    double TempD=this->Chart1->Series[i]->XValues->Value[1]-this->Chart1->Series[i]->XValues->Value[0];
    this->Chart1->Series[i]->Delete(0);
    this->Chart1->Series[i]->AddXY(this->Chart1->Series[i]->XValues->Last()+TempD,
    this->Chart1->Series[i]->YValues->Last()+random(100)-50,"",clBlue);
  }
}
//---------------------------------------------------------------------------