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17일 : C# 윈도우 폼 입문, 계산기 본문

BCA/3. C# WPF
17일 : C# 윈도우 폼 입문, 계산기
Beabletoet 2018. 3. 9. 15:10

WPF : 프로그래머가 사용하는 C# + 디자이너가 사용하는 XML 


비주얼 스튜디오에서 WPF 앱을 만듦.


c#은 확장자가 .cs


==========================

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//MainWindow.xaml.cs
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using System.Windows.Navigation;
using System.Windows.Shapes;
 
namespace WpfApp1
{
    /// <summary>
    /// MainWindow.xaml에 대한 상호 작용 논리
    /// </summary>
    public partial class MainWindow : Window
    {
        public MainWindow()
        {
            InitializeComponent(); // 
        }
 
        private int Result = 0; // c#은 private, public이 선언시 붙어야 함.
        private int temp1 = 0;
        private bool first = true;
        private int check = 4; // 4 = 모름, 0 = +, 1 = -, 2 = *, 3 = /
        private void Button_Click(object sender, RoutedEventArgs e)
        {//버튼 누르는 코드
            _4theyouth.Content = "Paloalto";
            MessageBox.Show(T.Text);
        }
 
        private void TextBox_TextChanged(object sender, TextChangedEventArgs e)
        {
 
        }
 
        private void Button_Click_1(object sender, RoutedEventArgs e)
        {
            if (first)
            {
                T.Text = "1";
                first = false;
            }
            else
                T.Text += "1";
        }
 
        private void Button_Click_2(object sender, RoutedEventArgs e)
        {
            if (first)
            {
                T.Text = "2";
                first = false;
            }
            else
                T.Text += "2";
        }
 
        private void Button_Click_3(object sender, RoutedEventArgs e)
        {
            if (first)
            {
                T.Text = "3";
                first = false;
            }
            else
                T.Text += "3";
        }
 
        private void Button_Click_4(object sender, RoutedEventArgs e)
        {
            if (first)
            {
                T.Text = "4";
                first = false;
            }
            else
                T.Text += "4";
        }
 
        private void Button_Click_5(object sender, RoutedEventArgs e)
        {
            if (first)
            {
                T.Text = "5";
                first = false;
            }
            else
                T.Text += "5";
        }
 
        private void Button_Click_6(object sender, RoutedEventArgs e)
        {
            if (first)
            {
                T.Text = "6";
                first = false;
            }
            else
                T.Text += "6";
        }
 
        private void Button_Click_7(object sender, RoutedEventArgs e)
        {
            if (first)
            {
                T.Text = "7";
                first = false;
            }
            else
                T.Text += "7";
        }
 
        private void Button_Click_8(object sender, RoutedEventArgs e)
        {
            if (first)
            {
                T.Text = "8";
                first = false;
            }
            else
                T.Text += "8";
        }
 
        private void Button_Click_9(object sender, RoutedEventArgs e)
        {
            if (first)
            {
                T.Text = "9";
                first = false;
            }
            else
                T.Text += "9";
        }
 
        private void Button_Click_10(object sender, RoutedEventArgs e)
        {
            if (first)
            {
                T.Text = "0";
                first = false;
            }
            else
                T.Text += "0";
        }
 
        private void Button_Click_11(object sender, RoutedEventArgs e)
        {
            switch(check)
            {
                case 4: Result = Int16.Parse(T.Text); break;
                case 0:
                    Result += Int16.Parse(T.Text);
                    T.Text = Convert.ToString(Result); break;
                case 1:
                    Result -= Int16.Parse(T.Text);
                    T.Text = Convert.ToString(Result); break;
                case 2:
                    Result *= Int16.Parse(T.Text);
                    T.Text = Convert.ToString(Result); break;
                case 3:
                    Result /= Int16.Parse(T.Text);
                    T.Text = Convert.ToString(Result); break;
            }
            check = 0;
            first = true;
        }
 
        private void Button_Click_12(object sender, RoutedEventArgs e)
        {
            switch (check)
            {
                case 4: Result = Int16.Parse(T.Text); break;
                case 0:
                    Result += Int16.Parse(T.Text);
                    T.Text = Convert.ToString(Result); break;
                case 1:
                    Result -= Int16.Parse(T.Text);
                    T.Text = Convert.ToString(Result); break;
                case 2:
                    Result *= Int16.Parse(T.Text);
                    T.Text = Convert.ToString(Result); break;
                case 3:
                    Result /= Int16.Parse(T.Text);
                    T.Text = Convert.ToString(Result); break;
            }
            check = 1;
            first = true;
        }
 
        private void Button_Click_13(object sender, RoutedEventArgs e)
        {
            switch (check)
            {
                case 4: Result = Int16.Parse(T.Text); break;
                case 0:
                    Result += Int16.Parse(T.Text);
                    T.Text = Convert.ToString(Result); break;
                case 1:
                    Result -= Int16.Parse(T.Text);
                    T.Text = Convert.ToString(Result); break;
                case 2:
                    Result *= Int16.Parse(T.Text);
                    T.Text = Convert.ToString(Result); break;
                case 3:
                    Result /= Int16.Parse(T.Text);
                    T.Text = Convert.ToString(Result); break;
            }
            check = 2;
            first = true;
        }
 
        private void Button_Click_14(object sender, RoutedEventArgs e)
        {
            switch (check)
            {
                case 4: Result = Int16.Parse(T.Text); break;
                case 0:
                    Result += Int16.Parse(T.Text);
                    T.Text = Convert.ToString(Result); break;
                case 1:
                    Result -= Int16.Parse(T.Text);
                    T.Text = Convert.ToString(Result); break;
                case 2:
                    Result *= Int16.Parse(T.Text);
                    T.Text = Convert.ToString(Result); break;
                case 3:
                    Result /= Int16.Parse(T.Text);
                    T.Text = Convert.ToString(Result); break;
            }
            check = 3;
            first = true;
        }
 
        private void Button_Click_15(object sender, RoutedEventArgs e)
        {
            switch (check)
            {
                case 4: Result = Int16.Parse(T.Text); break;
                case 0:
                    Result += Int16.Parse(T.Text);
                    T.Text = Convert.ToString(Result); break;
                case 1:
                    Result -= Int16.Parse(T.Text);
                    T.Text = Convert.ToString(Result); break;
                case 2:
                    Result *= Int16.Parse(T.Text);
                    T.Text = Convert.ToString(Result); break;
                case 3:
                    Result /= Int16.Parse(T.Text);
                    T.Text = Convert.ToString(Result); break;
            }
            check = 4;
            first = true;
        }
    }
}
 
cs


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<!-- MainWindow.xaml -->
    <Window x:Class="WpfApp1.MainWindow"
        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
        xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
        xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
        xmlns:local="clr-namespace:WpfApp1"
        mc:Ignorable="d"
        Title="Justhis" Height="350" Width="525">
    <Grid>
        <Label x:Name="_4theyouth" Content="Label" HorizontalAlignment="Left" Margin="194,68,0,0" VerticalAlignment="Top"/>
        <TextBox Name="T" HorizontalAlignment="Left" Height="23" Margin="259,72,0,0" TextWrapping="Wrap" Text="0" VerticalAlignment="Top" Width="120" TextChanged="TextBox_TextChanged"/>
        <Button Content="+" HorizontalAlignment="Left" Margin="384,54,0,0" VerticalAlignment="Top" Width="54" RenderTransformOrigin="0.138,-1.194" Height="41" Click="Button_Click_11"/>
        <Button Content="/" HorizontalAlignment="Left" Margin="384,193,0,0" VerticalAlignment="Top" Width="54" RenderTransformOrigin="0.138,-1.194" Height="41" Click="Button_Click_14"/>
        <Button Content="-" HorizontalAlignment="Left" Margin="384,101,0,0" VerticalAlignment="Top" Width="54" RenderTransformOrigin="0.138,-1.194" Height="41" Click="Button_Click_12"/>
        <Button Content="*" HorizontalAlignment="Left" Margin="384,147,0,0" VerticalAlignment="Top" Width="54" RenderTransformOrigin="0.138,-1.194" Height="41" Click="Button_Click_13"/>
        <Button Content="=" HorizontalAlignment="Left" Margin="384,239,0,0" VerticalAlignment="Top" Width="54" RenderTransformOrigin="0.138,-1.194" Height="41" Click="Button_Click_15"/>
        <Button Content="1" HorizontalAlignment="Left" Margin="207,101,0,0" VerticalAlignment="Top" Width="54" RenderTransformOrigin="0.138,-1.194" Height="41" Click="Button_Click_1"/>
        <Button Content="2" HorizontalAlignment="Left" Margin="266,101,0,0" VerticalAlignment="Top" Width="54" RenderTransformOrigin="0.138,-1.194" Height="41" Click="Button_Click_2"/>
        <Button Content="3" HorizontalAlignment="Left" Margin="325,101,0,0" VerticalAlignment="Top" Width="54" RenderTransformOrigin="0.138,-1.194" Height="41" Click="Button_Click_3"/>
        <Button Content="4" HorizontalAlignment="Left" Margin="207,147,0,0" VerticalAlignment="Top" Width="54" RenderTransformOrigin="0.138,-1.194" Height="41" Click="Button_Click_4"/>
        <Button Content="5" HorizontalAlignment="Left" Margin="266,147,0,0" VerticalAlignment="Top" Width="54" RenderTransformOrigin="0.138,-1.194" Height="41" Click="Button_Click_5"/>
        <Button Content="6" HorizontalAlignment="Left" Margin="325,147,0,0" VerticalAlignment="Top" Width="54" RenderTransformOrigin="0.138,-1.194" Height="41" Click="Button_Click_6"/>
        <Button Content="7" HorizontalAlignment="Left" Margin="207,193,0,0" VerticalAlignment="Top" Width="54" RenderTransformOrigin="0.138,-1.194" Height="41" Click="Button_Click_7"/>
        <Button Content="8" HorizontalAlignment="Left" Margin="266,193,0,0" VerticalAlignment="Top" Width="54" RenderTransformOrigin="0.138,-1.194" Height="41" Click="Button_Click_8"/>
        <Button Content="9" HorizontalAlignment="Left" Margin="325,193,0,0" VerticalAlignment="Top" Width="54" RenderTransformOrigin="0.138,-1.194" Height="41" Click="Button_Click_9"/>
        <Button Content="0" HorizontalAlignment="Left" Margin="266,239,0,0" VerticalAlignment="Top" Width="54" RenderTransformOrigin="0.138,-1.194" Height="41" Click="Button_Click_10"/>
    </Grid>
</Window>
 
cs


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