using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
namespace 框架
{
public partial class Form1 : Form
{
public Form1()
{
InitializeComponent();
}
private void Form1_Load(object sender, EventArgs e)
{
this.Text = "方法重载示例";
RadioC.Select();
}
private void button1_Click(object sender, EventArgs e)
{
Round r = new Round();
if (RadioC.Checked)
{
if (TextR.Text == "")
{
MessageBox.Show("必须输入半径");
return;
}
float R = float.Parse(TextR.Text);
LabelResult.Text = Convert.ToString(r.Account(R));
}
else if (RadioA.Checked)
{
if (TextR.Text == "")
{
MessageBox.Show("必须输入半径");
return;
}
double R = double.Parse(TextR.Text);
LabelResult.Text = Convert.ToString(r.Account(R));
}
else if (RadioV.Checked)
{
if (TextR.Text == "" || TextH.Text == "")
{
MessageBox.Show("必须输入半径和高","出错");
return;
}
double R = double.Parse(TextR.Text);
double H = double.Parse(TextH.Text);
LabelResult.Text = Convert.ToString(r.Account(R, H));
}
}
}
class Round
{
public float Account(float radius)
{
float c = (float)(2 * Math.PI * radius);
return c;
}
public double Account(double radius)
{
double a = Math.PI * radius * radius;
return a;
}
public double Account(double radius, double hight)
{
double v = Math.PI * radius * radius * hight;
return v;
}
}
}
本文通过一个C#程序示例介绍了方法重载的概念及其使用方式。该示例展示了如何根据不同数量和类型的参数调用相同名称的方法来计算圆的周长、面积以及圆柱体积。

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