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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 窗体专用回复
{public partial class Form1 : Form{public Form1(){InitializeComponent();}TextBox 文本框1 = new TextBox();TextBox 文本框2 = new TextBox();TextBox 文本框3 = new TextBox();private void Form1_Load(object sender, EventArgs e){char a = (char)((int)'a' + 1); this.Text = a.ToString();this.DoubleClick += new EventHandler(窗体双击);文本框1.Parent = 文本框2.Parent = 文本框3.Parent = this;文本框2.Left = 文本框1.Width + 7;文本框3.Left = 文本框1.Width + 7 + 文本框2.Width + 7;}private void 窗体双击(object sender, EventArgs e){文本框3.Text = (int.Parse(文本框1.Text) * int.Parse(文本框2.Text)).ToString();}}
}