002 C# 윈도우 프로그래밍

목표 :

mini 계산기를 만들어 본다.

 

소스코드 : 

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 WindowsFormsApplication1 {     public partial class Form1 : Form     {         public Form1()         {             InitializeComponent();             this.textNum1.Text = "";             this.textNum2.Text = "";             this.textResult.Text = "";             this.lbResult.Text = "Ready";         }         private void btnAdd_Click(object sender, EventArgs e)         {             double num1 = double.Parse(this.textNum1.Text);             double num2 = double.Parse(this.textNum2.Text);             double num = num1 + num2;             this.textResult.Text = num.ToString();             this.lbResult.Text = "+";         }         private void btnClear_Click(object sender, EventArgs e)         {             this.textNum1.Text = "";             this.textNum2.Text = "";             this.textResult.Text = "";             this.lbResult.Text = "Ready";         }     } }

 

결과 :