{"id":31329,"date":"2024-10-28T11:19:15","date_gmt":"2024-10-28T11:19:15","guid":{"rendered":"http:\/\/atmokpo.com\/w\/?p=31329"},"modified":"2024-11-26T06:45:29","modified_gmt":"2024-11-26T06:45:29","slug":"wpf-%ea%b0%95%ec%a2%8c-one-way-two-way-%eb%b0%94%ec%9d%b8%eb%94%a9","status":"publish","type":"post","link":"https:\/\/atmokpo.com\/w\/31329\/","title":{"rendered":"WPF \uac15\uc88c, One-way, Two-way \ubc14\uc778\ub529"},"content":{"rendered":"<p>Windows Presentation Foundation(WPF)\ub294 \ub9c8\uc774\ud06c\ub85c\uc18c\ud504\ud2b8\uc758 .NET Framework\uc5d0\uc11c \uc81c\uacf5\ud558\ub294 \uc0ac\uc6a9\uc790 \uc778\ud130\ud398\uc774\uc2a4(UI) \ud504\ub808\uc784\uc6cc\ud06c\uc785\ub2c8\ub2e4. WPF\ub97c \uc0ac\uc6a9\ud558\uba74 \ub370\uc2a4\ud06c\ud1b1 \uc560\ud50c\ub9ac\ucf00\uc774\uc158 \uac1c\ubc1c\uc744 \uc704\ud55c \uac15\ub825\ud55c \ub3c4\uad6c\ub97c \uc81c\uacf5\ud558\uba70, \ub370\uc774\ud130 \ubc14\uc778\ub529\uc740 \uc774\ub7ec\ud55c \ub3c4\uad6c \uc911 \ud558\ub098\uc785\ub2c8\ub2e4. \ub370\uc774\ud130 \ubc14\uc778\ub529\uc740 UI \uc694\uc18c\uc640 \ub370\uc774\ud130 \uc18c\uc2a4 \uac04\uc758 \uc5f0\uacb0\uc744 \uac00\ub2a5\ud558\uac8c \ud558\uc5ec, \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc758 \ubcf5\uc7a1\uc131\uc744 \ud06c\uac8c \uc904\uc5ec\uc90d\ub2c8\ub2e4. \uc774 \uac15\uc88c\uc5d0\uc11c\ub294 WPF\uc5d0\uc11c\uc758 One-way \ubc14\uc778\ub529\uacfc Two-way \ubc14\uc778\ub529\uc758 \uac1c\ub150\uacfc \uc0ac\uc6a9 \ubc29\ubc95\uc744 \uc790\uc138\ud788 \uc124\uba85\ud558\uaca0\uc2b5\ub2c8\ub2e4.<\/p>\n<h2>1. \ub370\uc774\ud130 \ubc14\uc778\ub529\uc758 \uac1c\uc694<\/h2>\n<p>\ub370\uc774\ud130 \ubc14\uc778\ub529\uc740 UI \uc694\uc18c\uac00 \ub370\uc774\ud130 \uc18c\uc2a4\uc758 \uac12\uc5d0 \uc790\ub3d9\uc73c\ub85c \uc5f0\uacb0\ub418\uc5b4 UI\uc758 \uc0c1\ud0dc\ub97c \ub370\uc774\ud130 \uc18c\uc2a4\uc758 \uc0c1\ud0dc\uc640 \ub3d9\uae30\ud654\ud558\ub294 \uacfc\uc815\uc744 \uc758\ubbf8\ud569\ub2c8\ub2e4. WPF\uc5d0\uc11c \ub370\uc774\ud130 \ubc14\uc778\ub529\uc744 \uc0ac\uc6a9\ud558\uba74 \uac1c\ubc1c\uc790\ub294 \ub370\uc774\ud130\uc5d0 \ub300\ud55c \ucf54\ub4dc\ub97c \uc9c1\uc811 \uc791\uc131\ud560 \ud544\uc694 \uc5c6\uc774 UI\uc640 \ub370\uc774\ud130\ub97c \uc5f0\uacb0\ud560 \uc218 \uc788\uc5b4, \uc720\uc9c0\ubcf4\uc218\uc131\uacfc \uc0dd\uc0b0\uc131\uc744 \ud06c\uac8c \ud5a5\uc0c1\uc2dc\ud0ac \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<p>WPF\uc5d0\uc11c \ub370\uc774\ud130 \ubc14\uc778\ub529\uc740 \ub2e4\uc591\ud55c \ubc29\uc2dd\uc73c\ub85c \uc774\ub8e8\uc5b4\uc9c8 \uc218 \uc788\uc9c0\ub9cc, \ud06c\uac8c \ub450 \uac00\uc9c0\ub85c \ub098\ub269\ub2c8\ub2e4: One-way \ubc14\uc778\ub529\uacfc Two-way \ubc14\uc778\ub529. \uc774 \ub450 \uac00\uc9c0 \uc720\ud615\uc740 \uac01\uac01 \ub2e4\ub978 \uc0c1\ud669\uc5d0\uc11c \uc720\uc6a9\ud558\uac8c \uc0ac\uc6a9\ub429\ub2c8\ub2e4.<\/p>\n<h2>2. One-way \ubc14\uc778\ub529<\/h2>\n<p>One-way \ubc14\uc778\ub529\uc740 UI \uc694\uc18c\uac00 \ub370\uc774\ud130 \uc18c\uc2a4\uc758 \uac12\uc744 \ud55c \ubc29\ud5a5\uc73c\ub85c\ub9cc \uac00\uc838\uc624\ub294 \ubc14\uc778\ub529 \ubc29\uc2dd\uc785\ub2c8\ub2e4. \uc989, \ub370\uc774\ud130 \uc18c\uc2a4\uc5d0\uc11c UI\ub85c\uc758 \ub370\uc774\ud130 \ud750\ub984\ub9cc \uac00\ub2a5\ud558\uba70, UI\uc5d0\uc11c \ub370\uc774\ud130 \uc18c\uc2a4\ub85c\uc758 \ubcc0\ud654\ub294 \ubc18\uc601\ub418\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4. \uc774 \ubc29\uc2dd\uc740 \ub370\uc774\ud130 \uc18c\uc2a4\uac00 \ubcc0\uacbd\ub418\uc5c8\uc744 \ub54c\ub9cc UI\uac00 \uc790\ub3d9\uc73c\ub85c \uc5c5\ub370\uc774\ud2b8\ub41c\ub2e4\ub294 \ud2b9\uc9d5\uc774 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<h3>2.1 One-way \ubc14\uc778\ub529\uc758 \uc0ac\uc6a9 \uc608<\/h3>\n<pre><code>&lt;TextBlock Text=\"{Binding Path=UserName}\" \/&gt;<\/code><\/pre>\n<p>\uc704\uc758 \uc608\uc2dc\ub294 TextBlock\uc758 Text \uc18d\uc131\uc744 UserName\uc774\ub77c\ub294 \ub370\uc774\ud130 \uc18c\uc2a4\uc758 \ud2b9\uc815 \uc18d\uc131\uc5d0 \ubc14\uc778\ub529\ud55c \uac83\uc785\ub2c8\ub2e4. \uc774 \uacbd\uc6b0 UserName\uc758 \uac12\uc774 \ubcc0\uacbd\ub418\uba74 TextBlock\uc758 \ub0b4\uc6a9\ub3c4 \uc790\ub3d9\uc73c\ub85c \uc5c5\ub370\uc774\ud2b8\ub429\ub2c8\ub2e4. \uadf8\ub7ec\ub098 \uc0ac\uc6a9\uc790\uac00 TextBlock\uc758 \ub0b4\uc6a9\uc744 \uc9c1\uc811 \ubcc0\uacbd\ud560 \uc218\ub294 \uc5c6\uc2b5\ub2c8\ub2e4.<\/p>\n<h3>2.2 One-way \ubc14\uc778\ub529\uc758 \uc774\uc810<\/h3>\n<ul>\n<li>UI\uac00 \ub370\uc774\ud130 \uc18c\uc2a4\ub97c \uae30\uc900\uc73c\ub85c \ud55c \ubc29\ud5a5\uc73c\ub85c\ub9cc \uc5c5\ub370\uc774\ud2b8\ub418\ubbc0\ub85c \uac04\ub2e8\ud55c \uad6c\ud604\uc774 \uac00\ub2a5\ud569\ub2c8\ub2e4.<\/li>\n<li>\ud559\uc2b5 \uace1\uc120\uc774 \ub0ae\uc544 \ube60\ub978 \uac1c\ubc1c\uc77c \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/li>\n<li>\uc0c1\ud0dc \ubcc0\uacbd\uc774 \ud544\uc694 \uc5c6\ub294 \ub370\uc774\ud130 \ub514\uc2a4\ud50c\ub808\uc774\uc5d0 \uc801\ud569\ud569\ub2c8\ub2e4.<\/li>\n<\/ul>\n<h3>2.3 One-way \ubc14\uc778\ub529\uc758 \ub2e8\uc810<\/h3>\n<ul>\n<li>\uc0ac\uc6a9\uc790\uc758 \uc785\ub825\uc744 \ubc18\uc601\ud560 \uc218 \uc5c6\uae30 \ub54c\ubb38\uc5d0 \uc785\ub825\uac12\uc744 \uae30\ubc18\uc73c\ub85c \uc81c\uc5b4\ud574\uc57c \ud558\ub294 \uacbd\uc6b0\uc5d0\ub294 \uc0ac\uc6a9\ud558\uae30 \uc5b4\ub835\uc2b5\ub2c8\ub2e4.<\/li>\n<li>UI\uc640 \ub370\uc774\ud130\uc758 \ub3d9\uae30\ud654\uac00 \ubd80\uc871\ud558\uc5ec \uc2e4\uc2dc\uac04 \uc5c5\ub370\uc774\ud2b8\uac00 \ud544\uc694\ud55c \uc0c1\ud669\uc5d0\uc11c\ub294 \uc81c\uc57d\uc774 \ub9ce\uc2b5\ub2c8\ub2e4.<\/li>\n<\/ul>\n<h2>3. Two-way \ubc14\uc778\ub529<\/h2>\n<p>Two-way \ubc14\uc778\ub529\uc740 UI \uc694\uc18c\uc640 \ub370\uc774\ud130 \uc18c\uc2a4 \uac04\uc758 \uc591\ubc29\ud5a5 \ub370\uc774\ud130 \ud750\ub984\uc744 \ud5c8\uc6a9\ud558\ub294 \ubc14\uc778\ub529 \ubc29\uc2dd\uc785\ub2c8\ub2e4. \uc774 \uacbd\uc6b0 \ub370\uc774\ud130 \uc18c\uc2a4\uc758 \uac12\uc774 \ubcc0\uacbd\ub418\uba74 UI\uac00 \uc790\ub3d9\uc73c\ub85c \uc5c5\ub370\uc774\ud2b8\ub418\uba70, \ubc18\ub300\ub85c \uc0ac\uc6a9\uc790\uac00 UI\uc5d0\uc11c \uac12\uc744 \ubcc0\uacbd\ud558\uba74 \ud574\ub2f9 \ubcc0\uacbd \uc0ac\ud56d\uc774 \ub370\uc774\ud130 \uc18c\uc2a4\ub85c \uc790\ub3d9\uc73c\ub85c \uc801\uc6a9\ub429\ub2c8\ub2e4. \uc774\ub7ec\ud55c \ud2b9\uc131\uc73c\ub85c \uc778\ud574 Two-way \ubc14\uc778\ub529\uc740 \uc0ac\uc6a9\uc790 \uc785\ub825\uc744 \ucc98\ub9ac\ud574\uc57c \ud558\ub294 \uc0c1\ud669\uc5d0\uc11c \ub9e4\uc6b0 \uc720\uc6a9\ud569\ub2c8\ub2e4.<\/p>\n<h3>3.1 Two-way \ubc14\uc778\ub529\uc758 \uc0ac\uc6a9 \uc608<\/h3>\n<pre><code>&lt;TextBox Text=\"{Binding Path=UserName, Mode=TwoWay}\" \/&gt;<\/code><\/pre>\n<p>\uc704\uc758 \uc608\uc2dc\ub294 TextBox\uc758 Text \uc18d\uc131\uc744 UserName\uc774\ub77c\ub294 \ub370\uc774\ud130 \uc18c\uc2a4\uc5d0 Two-way \ubc29\uc2dd\uc73c\ub85c \ubc14\uc778\ub529\ud55c \uac83\uc785\ub2c8\ub2e4. \uc0ac\uc6a9\uc790\uac00 TextBox\uc5d0 \uc785\ub825\ud55c \ub0b4\uc6a9\uc774 UserName \uc18d\uc131\uc5d0 \uc790\ub3d9\uc73c\ub85c \ubc18\uc601\ub429\ub2c8\ub2e4. \uc774\ucc98\ub7fc Two-way \ubc14\uc778\ub529\uc740 \uc0ac\uc6a9\uc790\uc640\uc758 \uc0c1\ud638\uc791\uc6a9\uc774 \ud544\uc694\ud55c \uacbd\uc6b0\uc5d0 \uc801\ud569\ud569\ub2c8\ub2e4.<\/p>\n<h3>3.2 Two-way \ubc14\uc778\ub529\uc758 \uc774\uc810<\/h3>\n<ul>\n<li>\uc0ac\uc6a9\uc790\uc758 \uc785\ub825 \ubcc0\uacbd\uc0ac\ud56d\uc774 \ubc14\ub85c \ub370\uc774\ud130 \uc18c\uc2a4\uc5d0 \ubc18\uc601\ub418\uc5b4 \uc2e4\uc2dc\uac04\uc73c\ub85c \ub3d9\uae30\ud654\ub429\ub2c8\ub2e4.<\/li>\n<li>\uadf8\ub9ac\ub4dc\uc640 \uac19\uc740 \ubcf5\uc7a1\ud55c \uc0ac\uc6a9\uc790 \uc785\ub825\uc744 \ucc98\ub9ac\ud558\ub294 \ub370 \uc801\ud569\ud569\ub2c8\ub2e4.<\/li>\n<li>\uc870\uae08 \ub354 \ubcf5\uc7a1\ud55c \ub85c\uc9c1\uc744 \ucc98\ub9ac\ud558\uae30 \uc704\ud55c \uae30\ub2a5\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4.<\/li>\n<\/ul>\n<h3>3.3 Two-way \ubc14\uc778\ub529\uc758 \ub2e8\uc810<\/h3>\n<ul>\n<li>\uc0c1\ud0dc \uad00\ub9ac\uac00 \ubcf5\uc7a1\ud574\uc9c8 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc0ac\uc6a9\uc790 \uc785\ub825\uc73c\ub85c \uc778\ud55c \ub370\uc774\ud130 \uc5c5\ub370\uc774\ud2b8\uc5d0 \ub300\ud55c \ucc98\ub9ac\uac00 \ud544\uc694\ud569\ub2c8\ub2e4.<\/li>\n<li>\ub370\uc774\ud130 \uc18c\uc2a4\uc758 \ubcc0\uacbd\uc774 UI\uc5d0 \ubc18\uc601\ub418\uba74 \ubb34\uc758\ubbf8\ud55c \uc5c5\ub370\uc774\ud2b8\uac00 \uc7a6\uc744 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/li>\n<\/ul>\n<h2>4. WPF\uc5d0\uc11c \ubc14\uc778\ub529 \uc124\uc815 \ubc29\ubc95<\/h2>\n<p>WPF\uc5d0\uc11c \ub370\uc774\ud130 \ubc14\uc778\ub529\uc744 \uc124\uc815\ud558\uae30 \uc704\ud574\uc11c\ub294 \uba3c\uc800 \ub370\uc774\ud130 \uc18c\uc2a4\uc640 UI \uc694\uc18c\ub97c \uc815\uc758\ud574\uc57c \ud569\ub2c8\ub2e4. \uc77c\ubc18\uc801\uc73c\ub85c ViewModel\uc774\ub098 CE(Controller Element)\ub97c \uc0ac\uc6a9\ud558\uc5ec \uc774 \uacfc\uc815\uc744 \uc218\uc6d4\ud558\uac8c \ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<h3>4.1 \ub370\uc774\ud130 \uc18c\uc2a4 \uc124\uc815<\/h3>\n<p>\ub370\uc774\ud130 \uc18c\uc2a4\ub97c \uc124\uc815\ud558\ub824\uba74, \uba3c\uc800 \ud574\ub2f9 \ub370\uc774\ud130 \uac1d\uccb4\ub97c \ub9cc\ub4e4\uc5b4\uc57c \ud569\ub2c8\ub2e4. \uc608\ub97c \ub4e4\uc5b4, \uac04\ub2e8\ud55c \uc0ac\uc6a9\uc790 \ubaa8\ub378 \ud074\ub798\uc2a4\ub97c \ub9cc\ub4e4 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<pre><code>public class User\n{\n    public string UserName { get; set; }\n}\n<\/code><\/pre>\n<p>\uc774 User \ud074\ub798\uc2a4\uc758 \uc778\uc2a4\ud134\uc2a4\ub97c \uc0dd\uc131\ud55c \ud6c4, \uc774\ub97c UI\uc5d0 \ubc14\uc778\ub529\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<h3>4.2 ViewModel \ub0b4\uc5d0\uc11c\uc758 \ubc14\uc778\ub529<\/h3>\n<p>ViewModel\uc744 \uc0ac\uc6a9\ud558\uba74 MVVM(Model-View-ViewModel) \ud328\ud134\uc744 \uc27d\uac8c \uad6c\ud604\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. ViewModel\uc740 \ub370\uc774\ud130\uc640 UI \uac04\uc758 \uc5f0\uacb0\uc744 \ucc45\uc784\uc9c0\uba70, \ub370\uc774\ud130\uc758 \ubcc0\uacbd \ub0b4\uc6a9\uc744 UI\uc5d0 \uc54c\ub9ac\ub294 \uae30\ub2a5\uc744 \uc81c\uacf5\ud574\uc57c \ud569\ub2c8\ub2e4.<\/p>\n<pre><code>public class UserViewModel : INotifyPropertyChanged\n{\n    private User _user;\n    \n    public User User\n    {\n        get =&gt; _user;\n        set\n        {\n            _user = value;\n            OnPropertyChanged(nameof(User));\n        }\n    }\n    \n    public string UserName\n    {\n        get =&gt; User.UserName;\n        set\n        {\n            User.UserName = value;\n            OnPropertyChanged(nameof(UserName));\n        }\n    }\n\n    public event PropertyChangedEventHandler PropertyChanged;\n\n    protected virtual void OnPropertyChanged(string propertyName)\n    {\n        PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(propertyName));\n    }\n}\n<\/code><\/pre>\n<h3>4.3 UI\uc5d0 \ubc14\uc778\ub529 \ucd94\uac00<\/h3>\n<p>ViewModel\uc744 \uc124\uc815\ud55c \ud6c4, XAML \ud30c\uc77c\uc5d0\uc11c UI \uc694\uc18c\uc5d0 \ubc14\uc778\ub529 \uc18d\uc131\uc744 \ucd94\uac00\ud569\ub2c8\ub2e4.<\/p>\n<pre><code>&lt;Window x:Class=\"MyApp.MainWindow\"\n        xmlns=\"http:\/\/schemas.microsoft.com\/winfx\/2006\/xaml\/presentation\"\n        xmlns:x=\"http:\/\/schemas.microsoft.com\/winfx\/2006\/xaml\"\n        Title=\"MainWindow\" Height=\"350\" Width=\"525\"&gt;\n    &lt;Grid&gt;\n        &lt;TextBox Text=\"{Binding UserName, Mode=TwoWay}\" \/&gt;\n        &lt;TextBlock Text=\"{Binding UserName}\" \/&gt;\n    &lt;\/Grid&gt;\n&lt;\/Window&gt;<\/code><\/pre>\n<p>\uc774\ub807\uac8c \uc124\uc815\ud558\uba74 TextBox\uc640 TextBlock\uc740 UserName \uc18d\uc131\uc5d0 \ubc14\uc778\ub529\ub418\uc5b4, \uc0ac\uc6a9\uc790\uac00 TextBox\uc5d0 \ub0b4\uc6a9\uc744 \uc785\ub825\ud558\uba74 TextBlock\ub3c4 \uc790\ub3d9\uc73c\ub85c \uc5c5\ub370\uc774\ud2b8\ub429\ub2c8\ub2e4.<\/p>\n<h2>5. \uacb0\ub860<\/h2>\n<p>WPF\uc5d0\uc11c\uc758 \ub370\uc774\ud130 \ubc14\uc778\ub529\uc740 UI\uc640 \ub370\uc774\ud130 \uac04\uc758 \uc5f0\uacb0\uc744 \ub9e4\ub044\ub7fd\uac8c \ucc98\ub9ac\ud560 \uc218 \uc788\ub294 \uac15\ub825\ud55c \ub3c4\uad6c\uc785\ub2c8\ub2e4. One-way \ubc14\uc778\ub529\uacfc Two-way \ubc14\uc778\ub529\uc740 \uac01\uac01\uc758 \ud544\uc694\uc5d0 \ub530\ub77c \uc801\uc808\ud788 \ud65c\uc6a9\ud560 \ud544\uc694\uac00 \uc788\uc2b5\ub2c8\ub2e4. One-way \ubc14\uc778\ub529\uc740 \ub2e8\uc21c\ud55c \uac12 \ud45c\uc2dc\ub97c \uc704\ud55c \ud655\uc2e4\ud55c \ubc29\ubc95\uc774\uba70, Two-way \ubc14\uc778\ub529\uc740 \uc0ac\uc6a9\uc790 \uc785\ub825\uc744 \uc2e4\uc2dc\uac04\uc73c\ub85c \ubc18\uc601\ud558\ub294 \ub370 \ud544\uc694\ud55c \uae30\ub2a5\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4.<\/p>\n<p>\uc774 \uac15\uc88c\ub97c \ud1b5\ud574 WPF\uc5d0\uc11c\uc758 \ub370\uc774\ud130 \ubc14\uc778\ub529\uc5d0 \ub300\ud55c \uc774\ud574\ub97c \ub354\uc6b1 \uae4a\uc774 \ud560 \uc218 \uc788\uae30\ub97c \ubc14\ub78d\ub2c8\ub2e4. \uc2e4\uc2b5\uc744 \ud1b5\ud574 \uc5ec\ub7ec\ubd84\uc758 \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc5d0\uc11c \ub2e4\uc591\ud55c \ubc14\uc778\ub529 \uae30\uc220\uc744 \uc801\uc6a9\ud574 \ubcf4\uc2dc\uae30 \ubc14\ub78d\ub2c8\ub2e4.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Windows Presentation Foundation(WPF)\ub294 \ub9c8\uc774\ud06c\ub85c\uc18c\ud504\ud2b8\uc758 .NET Framework\uc5d0\uc11c \uc81c\uacf5\ud558\ub294 \uc0ac\uc6a9\uc790 \uc778\ud130\ud398\uc774\uc2a4(UI) \ud504\ub808\uc784\uc6cc\ud06c\uc785\ub2c8\ub2e4. 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