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2023/07/22 08:13

投稿

TN8001

スコア10056

test CHANGED Viewed

@@ -1,201 +1,100 @@
-ViewModelで`DispatcherTimer `を使ってはダメということはないので、単に移せばいいんじゃないでしょうか。
+ViewModelで`DispatcherTimer`を使ってはダメということはないので、単に移せばいいんじゃないでしょうか。
-UIスレッドで動かす意味はないのでこちらなどでもいいでしょう。
+UIスレッドで動かす意味はないので、こちらなどでもいいでしょう。
 [Timer クラス (System.Timers) | Microsoft Docs](https://docs.microsoft.com/ja-jp/dotnet/api/system.timers.timer)
 [Timer クラス (System.Threading) | Microsoft Docs](https://docs.microsoft.com/ja-jp/dotnet/api/system.threading.timer)
 こういったのもあります。
 [Observable.Timer Method (System.Reactive.Linq) | Microsoft Docs](https://docs.microsoft.com/en-us/previous-versions/dotnet/reactive-extensions/hh211753(v=vs.103))
 ---
 追記 実装例
 後片付け省略^^;
 それぞれ同じ意味にしたつもりですが、間違ってたらすいません^^;
-```xaml
+```xml
 <Window
   x:Class="DispatcherTimerTest.MainWindow"
   xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
   xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
   xmlns:local="clr-namespace:DispatcherTimerTest"
   Width="800"
   Height="450"
   DataContext="{x:Static local:ViewModel.Instance}">
   <StackPanel>
     <Label Content="{Binding LabelContent1}" />
     <Label Content="{Binding LabelContent2}" />
     <Label Content="{Binding LabelContent3}" />
     <Label Content="{Binding LabelContent4}" />
   </StackPanel>
 </Window>
 ```
-```C#
+```cs
 using System;
 using System.ComponentModel;
 using System.Reactive.Linq;
 using System.Runtime.CompilerServices;
 namespace DispatcherTimerTest
 {
     public class ViewModel : INotifyPropertyChanged
     {
         public static ViewModel Instance { get; } = new ViewModel();
         public int LabelContent1 { get => _LabelContent1; set => Set(ref _LabelContent1, value); }
         private int _LabelContent1;
         public int LabelContent2 { get => _LabelContent2; set => Set(ref _LabelContent2, value); }
         private int _LabelContent2;
         public int LabelContent3 { get => _LabelContent3; set => Set(ref _LabelContent3, value); }
         private int _LabelContent3;
         public int LabelContent4 { get => _LabelContent4; set => Set(ref _LabelContent4, value); }
         private int _LabelContent4;
         private System.Windows.Threading.DispatcherTimer dispatcherTimer;
         private System.Timers.Timer timersTimer;
         private System.Threading.Timer threadingTimer;
         private IDisposable observableTimer;
         public ViewModel()
         {
             dispatcherTimer = new System.Windows.Threading.DispatcherTimer();
             dispatcherTimer.Interval = TimeSpan.FromMilliseconds(100);
             dispatcherTimer.Tick += (s, e) => LabelContent1 += 1;
             dispatcherTimer.Start();
             timersTimer = new System.Timers.Timer(100);
             timersTimer.Elapsed += (s, e) => LabelContent2 += 1;
             timersTimer.AutoReset = true;
             timersTimer.Enabled = true;
             threadingTimer = new System.Threading.Timer(x => LabelContent3 += 1, null, TimeSpan.FromMilliseconds(100), TimeSpan.FromMilliseconds(100));
             // NuGet System.Reactive.Linq
             observableTimer = Observable.Timer(TimeSpan.FromMilliseconds(100), TimeSpan.FromMilliseconds(100))
                .Subscribe(_ => LabelContent4 += 1);
         }
         #region INotifyPropertyChanged
         public event PropertyChangedEventHandler PropertyChanged;
         protected bool Set<T>(ref T storage, T value, [CallerMemberName] string propertyName = null)
         {
             if(Equals(storage, value)) return false;
             storage = value;
             OnPropertyChanged(propertyName);
             return true;
         }
         protected void OnPropertyChanged([CallerMemberName] string propertyName = null)
             => PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(propertyName));
         #endregion
     }
 }
 ```

追記実装例

2020/06/30 10:14

投稿

TN8001

スコア10056

test CHANGED Viewed

@@ -13,3 +13,189 @@
 こういったのもあります。
 [Observable.Timer Method (System.Reactive.Linq) | Microsoft Docs](https://docs.microsoft.com/en-us/previous-versions/dotnet/reactive-extensions/hh211753(v=vs.103))
+---
+追記 実装例
+後片付け省略^^;
+それぞれ同じ意味にしたつもりですが、間違ってたらすいません^^;
+```xaml
+<Window
+  x:Class="DispatcherTimerTest.MainWindow"
+  xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+  xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+  xmlns:local="clr-namespace:DispatcherTimerTest"
+  Width="800"
+  Height="450"
+  DataContext="{x:Static local:ViewModel.Instance}">
+  <StackPanel>
+    <Label Content="{Binding LabelContent1}" />
+    <Label Content="{Binding LabelContent2}" />
+    <Label Content="{Binding LabelContent3}" />
+    <Label Content="{Binding LabelContent4}" />
+  </StackPanel>
+</Window>
+```
+```C#
+using System;
+using System.ComponentModel;
+using System.Reactive.Linq;
+using System.Runtime.CompilerServices;
+namespace DispatcherTimerTest
+{
+    public class ViewModel : INotifyPropertyChanged
+    {
+        public static ViewModel Instance { get; } = new ViewModel();
+        public int LabelContent1 { get => _LabelContent1; set => Set(ref _LabelContent1, value); }
+        private int _LabelContent1;
+        public int LabelContent2 { get => _LabelContent2; set => Set(ref _LabelContent2, value); }
+        private int _LabelContent2;
+        public int LabelContent3 { get => _LabelContent3; set => Set(ref _LabelContent3, value); }
+        private int _LabelContent3;
+        public int LabelContent4 { get => _LabelContent4; set => Set(ref _LabelContent4, value); }
+        private int _LabelContent4;
+        private System.Windows.Threading.DispatcherTimer dispatcherTimer;
+        private System.Timers.Timer timersTimer;
+        private System.Threading.Timer threadingTimer;
+        private IDisposable observableTimer;
+        public ViewModel()
+        {
+            dispatcherTimer = new System.Windows.Threading.DispatcherTimer();
+            dispatcherTimer.Interval = TimeSpan.FromMilliseconds(100);
+            dispatcherTimer.Tick += (s, e) => LabelContent1 += 1;
+            dispatcherTimer.Start();
+            timersTimer = new System.Timers.Timer(100);
+            timersTimer.Elapsed += (s, e) => LabelContent2 += 1;
+            timersTimer.AutoReset = true;
+            timersTimer.Enabled = true;
+            threadingTimer = new System.Threading.Timer(x => LabelContent3 += 1, null, TimeSpan.FromMilliseconds(100), TimeSpan.FromMilliseconds(100));
+            // NuGet System.Reactive.Linq
+            observableTimer = Observable.Timer(TimeSpan.FromMilliseconds(100), TimeSpan.FromMilliseconds(100))
+               .Subscribe(_ => LabelContent4 += 1);
+        }
+        #region INotifyPropertyChanged
+        public event PropertyChangedEventHandler PropertyChanged;
+        protected bool Set<T>(ref T storage, T value, [CallerMemberName] string propertyName = null)
+        {
+            if(Equals(storage, value)) return false;
+            storage = value;
+            OnPropertyChanged(propertyName);
+            return true;
+        }
+        protected void OnPropertyChanged([CallerMemberName] string propertyName = null)
+            => PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(propertyName));
+        #endregion
+    }
+}
+```