質問編集履歴
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文章修正
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###やりたかった実装
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###やりたかった実装
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疑問が解決したのでやりたかった実装を以下に載せておきます。
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```C#
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疑問が解決したためやりたかった実装のコードを追記
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（文字のズレはごめんなさい）
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###やりたかった実装（質問解決済）
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```C#
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using System.ComponentModel;
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using System.Windows;
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using System.Windows.Media.Animation;
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namespace Questions298961
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{
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public enum Period { MORNING, EVENING, NIGHT };
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public partial class MainWindow : Window
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{
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private readonly GreetingPhrase ph = new GreetingPhrase();
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public MainWindow()
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{
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InitializeComponent();
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DataContext = ph;
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}
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private void Click_Morning(object sender, RoutedEventArgs e) => ph.Now = Period.MORNING;
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private void Click_Evening(object sender, RoutedEventArgs e) => ph.Now = Period.EVENING;
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private void Click_Night(object sender, RoutedEventArgs e) => ph.Now = Period.NIGHT;
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private void Click_Greeting(object sender, RoutedEventArgs e)
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{
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ph.ChangePhrase();
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//ここにアニメーション用の条件分岐を入れました。
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switch (ph.Now)
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{
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case Period.MORNING:
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var sb = FindResource("MorningAnimation") as Storyboard;
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BeginStoryboard(sb);
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break;
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case Period.EVENING:
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sb = FindResource("EveningAnimation") as Storyboard;
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BeginStoryboard(sb);
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break;
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case Period.NIGHT:
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sb = FindResource("NightAnimation") as Storyboard;
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BeginStoryboard(sb);
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break;
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}
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}
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}
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public class GreetingPhrase : INotifyPropertyChanged
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{
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public string Phrase { get; set; }
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private Period _Now;
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public Period Now
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{
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get => _Now;
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set
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{
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_Now = value;
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RaiseProeprtyChanged(nameof(Now));
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}
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}
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public void ChangePhrase()
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{
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switch (Now)
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{
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case Period.MORNING:
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Phrase = "おはよう！";
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break;
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case Period.EVENING:
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Phrase = "こんにちは！";
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break;
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case Period.NIGHT:
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Phrase = "こんばんは！";
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break;
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}
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RaiseProeprtyChanged(nameof(Phrase));
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}
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#region INotifyPropertyChanged の実装
|
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428
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+
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429
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+
public event PropertyChangedEventHandler PropertyChanged;
|
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430
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+
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431
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+
private void RaiseProeprtyChanged(string propertyName) => PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(propertyName));
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432
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#endregion
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}
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}
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438
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+
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439
|
+
```
|
|
440
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441
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442
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+
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443
|
+
xamlの方はTN8001さんの書いてくださったものをそのまま使えると思うので割愛します。
|