Chart控件內建了頗多的統計圖模型,拿來即用的理念大大節省了開發的時間。下面示範最常見的三種統計圖模型的使用。
效果展示:
C#代碼:
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
using System.Windows.Forms.DataVisualization.Charting;
namespace Chart控件的使用
{
public partial class Form1 : Form
{
public Form1()
{
InitializeComponent();
ColumnAndLine();
Pie();
}
private void ColumnAndLine() {
//設定統計圖示題
chart1.Titles.Add("條形統計圖和折現統計的使用");
//設定XY軸上面的标簽
chart1.ChartAreas[0].AxisX.Title = "月份(月)";
chart1.ChartAreas[0].AxisY.Title = "數量(個)";
//添加統計對象
chart1.Series.Add("Column1");
chart1.Series.Add("Line1");
//設定統計對象的統計圖類型
chart1.Series["Column1"].ChartType = SeriesChartType.Column;
chart1.Series["Line1"].ChartType = SeriesChartType.Line;
//設定統計對象顔色
chart1.Series["Column1"].Color = Color.Blue;
chart1.Series["Line1"].Color = Color.Red;
//設定統計對象粗細,機關為pixel
chart1.Series["Column1"].BorderWidth = 5;
chart1.Series["Line1"].BorderWidth = 3;
//設定XY軸上的值類型
chart1.Series["Column1"].XValueType = ChartValueType.String;
chart1.Series["Column1"].YValueType = ChartValueType.Int64;
chart1.Series["Line1"].XValueType = ChartValueType.String;
chart1.Series["Line1"].YValueType = ChartValueType.Int64;
//準備資料
String[] AllX = { "1月", "2月", "3月", "4月", "5月", "6月", "7月", "8月" };
int[] ColumnY = { 20, 40, 10, 50, 60, 80, 70, 90 };
int[] LineY = { 90, 70, 80, 60, 50, 10, 40, 20 };
//綁定資料
chart1.Series["Column1"].Points.DataBindXY(AllX, ColumnY);
chart1.Series["Line1"].Points.DataBindXY(AllX, LineY);
//滑鼠移動到對應點顯示數值
chart1.Series["Column1"].ToolTip = "#VALX:#VAL(個)";
chart1.Series["Line1"].ToolTip = "#VALX:#VAL(個)";
}
private void Pie() {
//标題
chart2.Titles.Add("扇形統計圖的使用");
chart2.Titles[0].ForeColor = Color.Black;
chart2.Titles[0].Font = new Font("微軟雅黑", 16f, FontStyle.Regular);
//設定統計對象的統計圖類型
chart2.Series[0].ChartType = SeriesChartType.Pie;
//準備資料
String[] PieX = { "A", "B", "C", "D"};
int[] PieY = { 20, 40, 30, 50 };
//設定XY軸上的值類型
chart2.Series[0].XValueType = ChartValueType.String;
chart2.Series[0].YValueType = ChartValueType.Int64;
//綁定資料
chart2.Series[0].Points.DataBindXY(PieX, PieY);
//滑鼠移動到對應點顯示數值
chart2.Series[0].ToolTip = "#VAL";
}
}
}