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;
namespace WindowsFormsApplication3
{
public partial class Form1 : Form
{
public Form1()
{
InitializeComponent();
}
private void textBox2_TextChanged(object sender, EventArgs e)
{
int i, j, k, max, min;
min = Convert.ToInt32(textBox1.Text);
max = Convert.ToInt32(textBox2.Text);
string _star, _space;
label1.Text = label2.Text = "";
_star = "*";
_space = " ";
try
{
min = Convert.ToInt32(textBox1.Text);
max = Convert.ToInt32(textBox2.Text);
for (i = 1; i <= max; i++)
{
label1.Text += i.ToString(); //第一題
for (j = max - i - 1; j >= 0; j--)
{
label1.Text += _space; //第一題
}
for (k = 1; k <= 2 * i - 1; k++)
{
if (i >= min)
label1.Text += _star; //第一題
}
label1.Text += "\n";//第一題
}
//===============第二題==================================================
_star = " ";
_space = "*";
for (k = 1; k <= 2 * max + 1; k++)
label2.Text += _space;
label2.Text += "\n";
for (i = 1; i <= max; i++)
{
for (j = max - i; j >= 0; j--)
{
label2.Text += _space;
}
for (k = 1; k <= 2 * i - 1; k++)
{
label2.Text += _star;
}
for (j = max - i; j >= 0; j--)
{
label2.Text += _space;
}
label2.Text += "\n";//第一題
}
for (i = max - 1; i >= 0; i--)
{
for (j = max - i; j >= 0; j--)
{
label2.Text += _space;
}
for (k = 1; k <= 2 * i - 1; k++)
{
label2.Text += _star;
}
for (j = max - i; j >= 0; j--)
{
if(j !=0 | i!=0)
label2.Text += _space;
}
label2.Text += "\n";//第一題
}
//===============END OF 第二題==================================================
}
catch { }
}
}
}