[MVVM] 3.Asynchronous Programming\uacfc MVVM, \ube44\ub3d9\uae30 \ucee4\ub9e8\ub4dc\uc640 \ud0dc\uc2a4\ud06c(Task) \ud328\ud134 - \ub77c\uc774\ube0c\uc2a4\ub9c8\ud2b8<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/atmokpo.com\/w\/42893\/\" \/>\n<meta property=\"og:locale\" content=\"ko_KR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"[MVVM] 3.Asynchronous Programming\uacfc MVVM, \ube44\ub3d9\uae30 \ucee4\ub9e8\ub4dc\uc640 \ud0dc\uc2a4\ud06c(Task) \ud328\ud134 - \ub77c\uc774\ube0c\uc2a4\ub9c8\ud2b8\" \/>\n<meta property=\"og:description\" content=\"C# WPF(Windows Presentation Foundation)\ub294 \uac15\ub825\ud55c UI \ud504\ub808\uc784\uc6cc\ud06c\uc774\uba70, MVVM(Model-View-ViewModel) \ud328\ud134\uc740 WPF \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc758 \uc544\ud0a4\ud14d\ucc98\ub97c \uad6c\uc131\ud558\ub294 \uc8fc\uc694 \ud328\ud134 \uc911 \ud558\ub098\uc785\ub2c8\ub2e4. \uc774 \ud328\ud134\uc758 \uace0\ub824 \uc0ac\ud56d \uc911 \ud558\ub098\ub294 \ube44\ub3d9\uae30 \ud504\ub85c\uadf8\ub798\ubc0d\uc785\ub2c8\ub2e4. \ube44\ub3d9\uae30 \ud504\ub85c\uadf8\ub798\ubc0d\uc744 \ud1b5\ud574 UI\uac00 \ucc28\ub2e8\ub418\uc9c0 \uc54a\uace0 \uc0ac\uc6a9\uc790 \uce5c\ud654\uc801\uc778 \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc744 \uad6c\ucd95\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc774 \uae00\uc5d0\uc11c\ub294 \ube44\ub3d9\uae30 \ud504\ub85c\uadf8\ub798\ubc0d, MVVM \ud328\ud134 \ub0b4\uc5d0\uc11c\uc758 \ube44\ub3d9\uae30 \ucee4\ub9e8\ub4dc\uc640 \ud0dc\uc2a4\ud06c(Task) \ud328\ud134\uc5d0 \ub300\ud574 \uc124\uba85\ud558\uaca0\uc2b5\ub2c8\ub2e4. 1. \ube44\ub3d9\uae30 \ud504\ub85c\uadf8\ub798\ubc0d\uc758 \uac1c\uc694 \ube44\ub3d9\uae30 … \ub354 \ubcf4\uae30 "[MVVM] 3.Asynchronous Programming\uacfc MVVM, \ube44\ub3d9\uae30 \ucee4\ub9e8\ub4dc\uc640 \ud0dc\uc2a4\ud06c(Task) \ud328\ud134"\" \/>\n<meta property=\"og:url\" content=\"https:\/\/atmokpo.com\/w\/42893\/\" \/>\n<meta property=\"og:site_name\" content=\"\ub77c\uc774\ube0c\uc2a4\ub9c8\ud2b8\" \/>\n<meta property=\"article:published_time\" content=\"2024-11-13T22:28:06+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2024-11-26T06:34:34+00:00\" \/>\n<meta name=\"author\" content=\"root\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@bebubo4\" \/>\n<meta name=\"twitter:site\" content=\"@bebubo4\" \/>\n<meta name=\"twitter:label1\" content=\"\uae00\uc4f4\uc774\" \/>\n\t<meta name=\"twitter:data1\" content=\"root\" \/>\n\t<meta name=\"twitter:label2\" content=\"\uc608\uc0c1 \ub418\ub294 \ud310\ub3c5 \uc2dc\uac04\" \/>\n\t<meta name=\"twitter:data2\" content=\"1\ubd84\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/atmokpo.com\/w\/42893\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/atmokpo.com\/w\/42893\/\"},\"author\":{\"name\":\"root\",\"@id\":\"https:\/\/atmokpo.com\/w\/#\/schema\/person\/91b6b3b138fbba0efb4ae64b1abd81d7\"},\"headline\":\"[MVVM] 3.Asynchronous Programming\uacfc MVVM, \ube44\ub3d9\uae30 \ucee4\ub9e8\ub4dc\uc640 \ud0dc\uc2a4\ud06c(Task) \ud328\ud134\",\"datePublished\":\"2024-11-13T22:28:06+00:00\",\"dateModified\":\"2024-11-26T06:34:34+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/atmokpo.com\/w\/42893\/\"},\"wordCount\":56,\"publisher\":{\"@id\":\"https:\/\/atmokpo.com\/w\/#organization\"},\"articleSection\":[\"WPF \uac1c\ubc1c\"],\"inLanguage\":\"ko-KR\"},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/atmokpo.com\/w\/42893\/\",\"url\":\"https:\/\/atmokpo.com\/w\/42893\/\",\"name\":\"[MVVM] 3.Asynchronous Programming\uacfc MVVM, \ube44\ub3d9\uae30 \ucee4\ub9e8\ub4dc\uc640 \ud0dc\uc2a4\ud06c(Task) \ud328\ud134 - 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{"id":42893,"date":"2024-11-13T22:28:06","date_gmt":"2024-11-13T22:28:06","guid":{"rendered":"https:\/\/atmokpo.com\/w\/?p=42893"},"modified":"2024-11-26T06:34:34","modified_gmt":"2024-11-26T06:34:34","slug":"mvvm-3-asynchronous-programming%ea%b3%bc-mvvm-%eb%b9%84%eb%8f%99%ea%b8%b0-%ec%bb%a4%eb%a7%a8%eb%93%9c%ec%99%80-%ed%83%9c%ec%8a%a4%ed%81%actask-%ed%8c%a8%ed%84%b4","status":"publish","type":"post","link":"https:\/\/atmokpo.com\/w\/42893\/","title":{"rendered":"[MVVM] 3.Asynchronous Programming\uacfc MVVM, \ube44\ub3d9\uae30 \ucee4\ub9e8\ub4dc\uc640 \ud0dc\uc2a4\ud06c(Task) \ud328\ud134"},"content":{"rendered":"

<\/p>\n

\n C# WPF(Windows Presentation Foundation)\ub294 \uac15\ub825\ud55c UI \ud504\ub808\uc784\uc6cc\ud06c\uc774\uba70, MVVM(Model-View-ViewModel) \ud328\ud134\uc740 WPF \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc758 \uc544\ud0a4\ud14d\ucc98\ub97c \uad6c\uc131\ud558\ub294 \uc8fc\uc694 \ud328\ud134 \uc911 \ud558\ub098\uc785\ub2c8\ub2e4. \uc774 \ud328\ud134\uc758 \uace0\ub824 \uc0ac\ud56d \uc911 \ud558\ub098\ub294 \ube44\ub3d9\uae30 \ud504\ub85c\uadf8\ub798\ubc0d\uc785\ub2c8\ub2e4. \ube44\ub3d9\uae30 \ud504\ub85c\uadf8\ub798\ubc0d\uc744 \ud1b5\ud574 UI\uac00 \ucc28\ub2e8\ub418\uc9c0 \uc54a\uace0 \uc0ac\uc6a9\uc790 \uce5c\ud654\uc801\uc778 \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc744 \uad6c\ucd95\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc774 \uae00\uc5d0\uc11c\ub294 \ube44\ub3d9\uae30 \ud504\ub85c\uadf8\ub798\ubc0d, MVVM \ud328\ud134 \ub0b4\uc5d0\uc11c\uc758 \ube44\ub3d9\uae30 \ucee4\ub9e8\ub4dc\uc640 \ud0dc\uc2a4\ud06c(Task) \ud328\ud134\uc5d0 \ub300\ud574 \uc124\uba85\ud558\uaca0\uc2b5\ub2c8\ub2e4.\n <\/p>\n

1. \ube44\ub3d9\uae30 \ud504\ub85c\uadf8\ub798\ubc0d\uc758 \uac1c\uc694<\/h2>\n

\n \ube44\ub3d9\uae30 \ud504\ub85c\uadf8\ub798\ubc0d\uc740 \uc791\uc5c5\uc774 \uc644\ub8cc\ub418\uae30\ub97c \uae30\ub2e4\ub9ac\uc9c0 \uc54a\uace0 \ub2e4\ub978 \uc791\uc5c5\uc744 \uacc4\uc18d \uc218\ud589\ud560 \uc218 \uc788\ub3c4\ub85d \ud558\ub294 \ud504\ub85c\uadf8\ub798\ubc0d \ud328\ub7ec\ub2e4\uc784\uc785\ub2c8\ub2e4. C#\uc5d0\uc11c \ube44\ub3d9\uae30 \ud504\ub85c\uadf8\ub798\ubc0d\uc740 \uc8fc\ub85c async<\/code>\uc640 await<\/code> \ud0a4\uc6cc\ub4dc\ub97c \uc0ac\uc6a9\ud558\uc5ec \uad6c\ud604\ub429\ub2c8\ub2e4. \uc774\ub7ec\ud55c \ud0a4\uc6cc\ub4dc\ub294 \ube44\ub3d9\uae30 \ud638\ucd9c\uc774 \uc644\ub8cc\ub420 \ub54c\uae4c\uc9c0 UI \uc2a4\ub808\ub4dc\ub97c \ucc28\ub2e8\ud558\uc9c0 \uc54a\ub3c4\ub85d \ubcf4\uc7a5\ud569\ub2c8\ub2e4.\n <\/p>\n

\nAsync:<\/strong> \uba54\uc11c\ub4dc\uac00 \ube44\ub3d9\uae30\uc801\uc73c\ub85c \uc2e4\ud589\ub428\uc744 \ub098\ud0c0\ub0c5\ub2c8\ub2e4.<\/li>\n
Await:<\/strong> \ube44\ub3d9\uae30 \uc791\uc5c5\uc774 \uc644\ub8cc\ub420 \ub54c\uae4c\uc9c0 \uae30\ub2e4\ub9bd\ub2c8\ub2e4.<\/li>\n<\/ul>\n1.1 \ube44\ub3d9\uae30 \uba54\uc11c\ub4dc\uc758 \uad6c\uc870<\/h3>\n\npublic async Task FetchDataAsync(string url) {\n    using (HttpClient client = new HttpClient()) {\n        var response = await client.GetStringAsync(url);\n        return response;\n    }\n}\n    <\/string><\/code><\/pre>\n\n        \uc704\uc758 \uc608\uc81c\ub294 URL\uc5d0\uc11c \ub370\uc774\ud130\ub97c \ube44\ub3d9\uae30\uc801\uc73c\ub85c \uac00\uc838\uc624\ub294 \uba54\uc11c\ub4dc\uc785\ub2c8\ub2e4. await<\/code>\ub294 \uc791\uc5c5\uc774 \uc644\ub8cc\ub420 \ub54c\uae4c\uc9c0 \ub300\uae30\ud558\uba70, \uc774 \ub3d9\uc548 UI \uc2a4\ub808\ub4dc\ub294 \uc5ec\uc804\ud788 \uc751\ub2f5\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.\n    <\/p>\n
2. MVVM \ud328\ud134\uc758 \uc774\ud574<\/h2>\n\n        MVVM \ud328\ud134\uc740 \ub370\uc774\ud130\uc640 UI\ub97c \ubd84\ub9ac\ud574 \uc720\uc9c0\ubcf4\uc218\uc131\uc744 \ub192\uc774\uace0, \ud14c\uc2a4\ud2b8 \uac00\ub2a5\ud55c \ucf54\ub4dc\ub97c \uc791\uc131\ud560 \uc218 \uc788\ub3c4\ub85d \ud569\ub2c8\ub2e4. MVVM\uc740 Model, View, ViewModel \uc138 \uac00\uc9c0 \uad6c\uc131 \uc694\uc18c\ub85c \uc774\ub8e8\uc5b4\uc838 \uc788\uc2b5\ub2c8\ub2e4.\n    <\/p>\n
\nModel:<\/strong> \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc758 \ub370\uc774\ud130\uc640 \ube44\uc988\ub2c8\uc2a4 \ub85c\uc9c1\uc744 \uc815\uc758\ud569\ub2c8\ub2e4.<\/li>\n
View:<\/strong> \uc0ac\uc6a9\uc790 \uc778\ud130\ud398\uc774\uc2a4\ub97c \uad6c\uc131\ud558\uba70, \ub370\uc774\ud130 \ubc14\uc778\ub529\uc744 \ud1b5\ud574 ViewModel\uacfc \uc0c1\ud638\uc791\uc6a9\ud569\ub2c8\ub2e4.<\/li>\n
ViewModel:<\/strong> View\uc640 Model\uc744 \uc5f0\uacb0\ud558\ub294 \uc5ed\ud560\uc744 \ud558\uba70, \uba85\ub839\uacfc \uc785\ub825\uc744 \ucc98\ub9ac\ud569\ub2c8\ub2e4.<\/li>\n<\/ul>\n2.1 MVVM\uc758 \ucf54\ub4dc \uc608\uc2dc<\/h3>\n\npublic class UserViewModel : INotifyPropertyChanged {\n    private string userName;\n    \n    public string UserName {\n        get => userName;\n        set {\n            userName = value;\n            OnPropertyChanged(nameof(UserName));\n        }\n    }\n    \n    public event PropertyChangedEventHandler PropertyChanged;\n    \n    protected void OnPropertyChanged(string propertyName) {\n        PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(propertyName));\n    }\n}\n    <\/code><\/pre>\n3. \ube44\ub3d9\uae30 \ucee4\ub9e8\ub4dc\uc640 \ud0dc\uc2a4\ud06c(Task) \ud328\ud134<\/h2>\n\n        MVVM \ud328\ud134 \ub0b4\uc5d0\uc11c \ube44\ub3d9\uae30 \uc791\uc5c5\uc744 \uad6c\ud604\ud558\uae30 \uc704\ud574 \ucee4\ub9e8\ub4dc(Command) \ud328\ud134\uc744 \ud65c\uc6a9\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ube44\ub3d9\uae30 \ucee4\ub9e8\ub4dc\ub294 \uc0ac\uc6a9\uc790 \uc778\ud130\ud398\uc774\uc2a4\uc758 \uba85\ub839\uc744 \ube44\ub3d9\uae30\uc801\uc73c\ub85c \ucc98\ub9ac\ud560 \uc218 \uc788\ub3c4\ub85d \ud574\uc90d\ub2c8\ub2e4. \uc77c\ubc18\uc801\uc73c\ub85c, ICommand<\/code> \uc778\ud130\ud398\uc774\uc2a4\ub97c \uad6c\ud604\ud558\uc5ec \ucee4\ub9e8\ub4dc\ub97c \uc815\uc758\ud558\uba70, \uc774 \ucee4\ub9e8\ub4dc \ub0b4\uc5d0\uc11c \ube44\ub3d9\uae30 \uba54\uc11c\ub4dc\ub97c \ud638\ucd9c\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.\n    <\/p>\n
3.1 IAsyncCommand \uc778\ud130\ud398\uc774\uc2a4 \uc0dd\uc131<\/h3>\n\npublic interface IAsyncCommand : ICommand {\n    Task ExecuteAsync(object parameter);\n    bool CanExecute(object parameter);\n}\n    <\/code><\/pre>\n\nIAsyncCommand<\/code> \uc778\ud130\ud398\uc774\uc2a4\ub294 \ube44\ub3d9\uae30\uc801\uc73c\ub85c \uc791\uc5c5\uc744 \uc218\ud589\ud560 \uc218 \uc788\ub294 \ucee4\ub9e8\ub4dc\ub97c \uc815\uc758\ud569\ub2c8\ub2e4. \uc774 \uc778\ud130\ud398\uc774\uc2a4\ub294 \uae30\uc874\uc758 ICommand<\/code>\ub97c \ud655\uc7a5\ud558\uc5ec ExecuteAsync<\/code> \uba54\uc11c\ub4dc\ub97c \ucd94\uac00\ud569\ub2c8\ub2e4.\n    <\/p>\n
3.2 AsyncCommand \uad6c\ud604<\/h3>\n\npublic class AsyncCommand : IAsyncCommand {\n    private readonly Func execute;\n    private readonly Predicate

`3.2 AsyncCommand \uad6c\ud604<\/h3>\n\npublic class AsyncCommand : IAsyncCommand {\n private readonly Func execute;\n private readonly Predicate`

`3.4 View\uc5d0\uc11c ICommand \ubc14\uc778\ub529<\/h3>\n\n WPF\uc5d0\uc11c\ub294 XAML\uc744 \uc0ac\uc6a9\ud558\uc5ec ViewModel\uc758 \ucee4\ub9e8\ub4dc\uc5d0 \ubc14\uc778\ub529\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.\n <\/p>\n \n`