graphdemo.cpp

C++ Builder 6 编程实例教程-北京希望电子出版社出版

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

#include <vcl.h>
#pragma hdrstop

#include "GraphDemo.h"
//---------------------------------------------------------------------------
#pragma package(smart_init)
#pragma link "MSChart20Lib_OCX"
#pragma resource "*.dfm"
TForm1 *Form1;
//---------------------------------------------------------------------------
__fastcall TForm1::TForm1(TComponent* Owner)
        : TForm(Owner)
{
}
//---------------------------------------------------------------------------


void __fastcall TForm1::FormCreate(TObject *Sender)
{
UpDown1->Min=1;
UpDown1->Max=MSChart1->ColumnCount;
UpDown2->Min=1;
UpDown2->Max=MSChart1->RowCount;
//设置控件参数
MSChart1->Column=1;
MSChart1->Row=1;
Edit3->Text=MSChart1->Data;
//显示第一行、第一列的数据

}
//---------------------------------------------------------------------------

void __fastcall TForm1::ComboBox1Click(TObject *Sender)
{
MSChart1->chartType=ComboBox1->ItemIndex;
//设置图表类型
        
}
//---------------------------------------------------------------------------

void __fastcall TForm1::UpDown1Click(TObject *Sender, TUDBtnType Button)
{
MSChart1->Column=UpDown1->Position;
MSChart1->Row=UpDown2->Position;
Edit3->Text=MSChart1->Data;
//显示选中的行和列中的数据
        
}
//---------------------------------------------------------------------------

void __fastcall TForm1::UpDown2Click(TObject *Sender, TUDBtnType Button)
{
MSChart1->Column=UpDown1->Position;
MSChart1->Row=UpDown2->Position;
Edit3->Text=MSChart1->Data;
//显示选中行和选中列的数据
        
}
//---------------------------------------------------------------------------

void __fastcall TForm1::Button1Click(TObject *Sender)
{
        if(MSChart1->ColumnCount<10)
        {
                MSChart1->ColumnCount=MSChart1->ColumnCount+1;
                //添加一行
        }
        
}
//---------------------------------------------------------------------------

void __fastcall TForm1::Button3Click(TObject *Sender)
{
        if(MSChart1->RowCount<10)
        {
                MSChart1->RowCount=MSChart1->RowCount+1;
                //添加一列
        }
        
}
//---------------------------------------------------------------------------

void __fastcall TForm1::Button2Click(TObject *Sender)
{
        if(MSChart1->ColumnCount>1)
        {
                MSChart1->ColumnCount=MSChart1->ColumnCount-1;
                //删除一行
        }
        
}
//---------------------------------------------------------------------------

void __fastcall TForm1::Button4Click(TObject *Sender)
{
        if(MSChart1->RowCount>1)
        {
                MSChart1->RowCount=MSChart1->RowCount-1;
                //删除一列
        }
        
}
//---------------------------------------------------------------------------

void __fastcall TForm1::Edit3Change(TObject *Sender)
{
        MSChart1->Data=Edit3->Text;
        //修改数据

}
//---------------------------------------------------------------------------

void __fastcall TForm1::MSChart1DataUpdated(TObject *Sender, short *axisID,
      short *AxisIndex, short *labelSetIndex, short *LabelIndex,
      short *MouseFlags, short *Cancel)
{
UpDown1->Min=1;
UpDown1->Max=MSChart1->ColumnCount;
UpDown2->Min=1;
UpDown2->Max=MSChart1->RowCount;
//更新控件参数
        
}
//---------------------------------------------------------------------------