C_部分实例代码集合.doc

第一章1. “hello world” Console.WriteLine(hello world); 2.使用WPF程序，使用户输入姓名并点击OK后，弹出消息框显示“hello+用户姓名” MessageBox.Show(Hello +textBox1.Text); 第二章1.编写WPF程序，制作简单计算器，并点击退出后可以关闭窗口 private void button1_Click(object sender, RoutedEventArgs e) double a, b, c; a = double.Parse(textBox1.Text); b = double.Parse(textBox2.Text); c = Add(a,b); textBox3.Text = c.ToString(); private double Add(double a, double b) return a + b; private void button2_Click(object sender, RoutedEventArgs e) double a, b, c; a = double.Parse(textBox1.Text); b = double.Parse(textBox2.Text); c = NewMethod(a, b); textBox3.Text = c.ToString(); private double NewMethod(double a, double b) return a-b; private void button3_Click(object sender, RoutedEventArgs e) double a, b, c; a = double.Parse(textBox1.Text); b = double.Parse(textBox2.Text); c = NewMethod1(a, b); textBox3.Text = c.ToString(); private double NewMethod1(double a, double b) return a*b; private void button4_Click(object sender, RoutedEventArgs e) double a, b, c; a = double.Parse(textBox1.Text); b = double.Parse(textBox2.Text); c = NewMethod2(a, b); textBox3.Text = c.ToString(); private double NewMethod2(double a, double b) return a/b; private void button5_Click(object sender, RoutedEventArgs e) this.Close(); 第三章1.计算0-9的和 int i = 0,sum = 0; while (i b) return max; else return b; 第五章1.将100以内3的倍数输出 int i; i = 0; while (i = 98) i = i + 3; Console.WriteLine(i); 2.每行输出5个 int i = 0, n = 0; while (i 6) MessageBox.Show(bc.cuowu.ToString(); else MessageBox.Show(bc.z