■ 날짜 계산하기

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TestProject.zip


MainWindow.cs

 

 

using System;

using System.Windows;

using System.Windows.Controls;

using System.Windows.Media;

 

namespace TestProject

{

    /// <summary>

    /// 메인 윈도우

    /// </summary>

    public class MainWindow : Window

    {

        //////////////////////////////////////////////////////////////////////////////////////////////////// Field

        ////////////////////////////////////////////////////////////////////////////////////////// Private

 

        #region Field

 

        /// <summary>

        /// FROM 텍스트 상자

        /// </summary>

        private TextBox fromTextBox;

 

        /// <summary>

        /// TO 텍스트 상자

        /// </summary>

        private TextBox toTextBox;

 

        /// <summary>

        /// 결과 레이블

        /// </summary>

        private Label resultLabel;

 

        #endregion

 

        //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor

        ////////////////////////////////////////////////////////////////////////////////////////// Public

 

        #region 생성자 - MainWindow()

 

        /// <summary>

        /// 생성자

        /// </summary>

        public MainWindow()

        {

            Title         = "날짜 계산하기";

            SizeToContent = SizeToContent.WidthAndHeight;

            ResizeMode    = ResizeMode.CanMinimize;

            FontFamily    = new FontFamily("나눔고딕코딩");

            FontSize      = 16;

 

            Grid grid = new Grid();

 

            Content = grid;

 

            for(int i = 0; i < 3; i++)

            {

                RowDefinition rowDefinition = new RowDefinition();

 

                rowDefinition.Height = GridLength.Auto;

 

                grid.RowDefinitions.Add(rowDefinition);

            }

 

            for(int i = 0; i < 2; i++)

            {

                ColumnDefinition columnDefinition = new ColumnDefinition();

 

                columnDefinition.Width = GridLength.Auto;

 

                grid.ColumnDefinitions.Add(columnDefinition);

            }

 

            Label captionLabel = new Label();

 

            captionLabel.Content = "시작일 : ";

 

            grid.Children.Add(captionLabel);

 

            Grid.SetRow   (captionLabel, 0);

            Grid.SetColumn(captionLabel, 0);

 

            this.fromTextBox = new TextBox();

 

            this.fromTextBox.Text = new DateTime(1980, 1, 1).ToShortDateString();

 

            this.fromTextBox.TextChanged += textBox_TextChanged;

 

            grid.Children.Add(this.fromTextBox);

 

            Grid.SetRow   (this.fromTextBox, 0);

            Grid.SetColumn(this.fromTextBox, 1);

 

            captionLabel = new Label();

 

            captionLabel.Content = "종료일 : ";

 

            grid.Children.Add(captionLabel);

 

            Grid.SetRow   (captionLabel, 1);

            Grid.SetColumn(captionLabel, 0);

 

            this.toTextBox = new TextBox();

 

            this.toTextBox.TextChanged += textBox_TextChanged;

 

            grid.Children.Add(this.toTextBox);

 

            Grid.SetRow   (this.toTextBox, 1);

            Grid.SetColumn(this.toTextBox, 1);

 

            captionLabel = new Label();

 

            captionLabel.Content = "계산 결과 : ";

 

            grid.Children.Add(captionLabel);

 

            Grid.SetRow   (captionLabel, 2);

            Grid.SetColumn(captionLabel, 0);

 

            this.resultLabel = new Label();

 

            grid.Children.Add(this.resultLabel);

 

            Grid.SetRow   (this.resultLabel, 2);

            Grid.SetColumn(this.resultLabel, 1);

 

            Thickness thickness = new Thickness(5);

 

            grid.Margin = thickness;

 

            foreach(Control control in grid.Children)

            {

                control.Margin = thickness;

            }

 

            this.fromTextBox.Focus();

 

            this.toTextBox.Text = DateTime.Now.ToShortDateString();

        }

 

        #endregion

 

        //////////////////////////////////////////////////////////////////////////////////////////////////// Method

        ////////////////////////////////////////////////////////////////////////////////////////// Static

        //////////////////////////////////////////////////////////////////////////////// Private

 

        #region 프로그램 시작하기 - Main()

 

        /// <summary>

        /// 프로그램 시작하기

        /// </summary>

        [STAThread]

        public static void Main()

        {

            Application application = new Application();

 

            application.Run(new MainWindow());

        }

 

        #endregion

 

        ////////////////////////////////////////////////////////////////////////////////////////// Instance

        //////////////////////////////////////////////////////////////////////////////// Private

 

        #region 텍스트 상자 텍스트 변경시 처리하기 - textBox_TextChanged(sender, e)

 

        /// <summary>

        /// 텍스트 상자 텍스트 변경시 처리하기

        /// </summary>

        /// <param name="sender">이벤트 발생자</param>

        /// <param name="e">이벤트 인자</param>

        private void textBox_TextChanged(object sender, TextChangedEventArgs e)

        {

            DateTime fromDate, toDate;

 

            if(DateTime.TryParse(this.fromTextBox.Text, out fromDate) && DateTime.TryParse(this.toTextBox.Text, out toDate))

            {

                int tearCount  = toDate.Year  - fromDate.Year;

                int monthCount = toDate.Month - fromDate.Month;

                int dayCount   = toDate.Day   - fromDate.Day;

 

                if(dayCount < 0)

                {

                    dayCount += DateTime.DaysInMonth(toDate.Year, 1 + (toDate.Month + 10) % 12);

 

                    monthCount -= 1;

                }

 

                if(monthCount < 0)

                {

                    monthCount += 12;

 

                    tearCount -= 1;

                }

 

                this.resultLabel.Content = string.Format("{0}년 {1}개월 {2}일", tearCount, monthCount, dayCount);

            }

            else

            {

                this.resultLabel.Content = string.Empty;

            }

        }

 

        #endregion

    }

}

 

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Posted by 사용자 icodebroker
TAG

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