質問編集履歴
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サンプルを作成しましたので、ViewModelを含めたソースを記載します。
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### 該当のソース
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※サンプルを作成しましたので、ViewModelを含めたソースを記載します。
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■View
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```ここに言語を入力
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<Window x:Class="MySoundPlayer.MainWindow"
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xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
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xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
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xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
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xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
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xmlns:vm="clr-namespace:MySoundPlayer.ViewModel"
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mc:Ignorable="d"
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Title="MainWindow" Height="200" Width="200">
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<Window.DataContext>
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<vm:SoundPlayerViewModel />
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</Window.DataContext>
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<Window.Resources>
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<!--System Button-->
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<Style x:Key="SoundButtonStyle" TargetType="{x:Type ToggleButton}">
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<Setter Property="Template">
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<Setter.Value>
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<ControlTemplate x:Uid="SoundButtonTemplate" TargetType="{x:Type ToggleButton}">
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<Grid x:Name="ButtonImageBrush" Opacity="1" Background="LightGray">
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<Label Name="Caption"
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FontSize="16"
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Content="{Binding ButtonLabel}"
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VerticalContentAlignment="Center"
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HorizontalContentAlignment="Center"/>
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</Grid>
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<ControlTemplate.Triggers>
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<!--<EventTrigger RoutedEvent="Click">
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<SoundPlayerAction Source="/Sounds\button.wav" />
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</EventTrigger>-->
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<EventTrigger RoutedEvent="
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<EventTrigger RoutedEvent="Click">
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<SoundPlayerAction Source="{Binding SoundSource}" />
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<SoundPlayerAction Source="{Binding SoundSource}" />
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</EventTrigger>
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</EventTrigger>
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<Trigger Property="IsFocused" Value="True"/>
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<Trigger Property="IsMouseOver" Value="True"/>
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<Trigger Property="IsPressed" Value="True">
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<Setter Property="Background" TargetName="ButtonImageBrush">
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<Setter.Value>
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<SolidColorBrush Color="Gray" />
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</Setter.Value>
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</Setter>
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</Trigger>
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<Trigger Property="IsChecked" Value="True">
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<Setter Property="Background" TargetName="ButtonImageBrush">
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<Setter.Value>
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<SolidColorBrush Color="LightCyan" />
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</Setter.Value>
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</Setter>
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</Trigger>
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</ControlTemplate.Triggers>
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</ControlTemplate>
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</Setter.Value>
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</Setter>
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</Style>
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</Window.Resources>
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<Grid>
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<ToggleButton Name="BTN_System"
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Width="50"
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Height="50"
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Style="{StaticResource SoundButtonStyle}" />
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</Grid>
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</Window>
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```
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上記のコメント部分を有効にすることで、Bindingしなければ音は鳴らせることは確認しました。
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■ViewModel
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```ここに言語を入力
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using System;
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using System.ComponentModel;
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namespace MySoundPlayer.ViewModel
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{
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class SoundPlayerViewModel : INotifyPropertyChanged
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{
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private Uri _SoundSource;
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public Uri SoundSource
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{
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get
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{
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return _SoundSource;
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}
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set
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{
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_SoundSource = value;
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if (PropertyChanged != null)
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{
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PropertyChanged(this, new PropertyChangedEventArgs("SoundSource"));
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}
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}
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}
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private String _ButtonLabel;
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public String ButtonLabel
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{
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get
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{
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return _ButtonLabel;
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}
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set
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{
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_ButtonLabel = value;
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if (PropertyChanged != null)
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{
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PropertyChanged(this, new PropertyChangedEventArgs("ButtonLabel"));
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}
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}
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}
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public event PropertyChangedEventHandler PropertyChanged;
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public SoundPlayerViewModel()
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{
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SoundSource = new Uri(@"/Sounds\button.wav", UriKind.Relative);
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ButtonLabel = "Play!";
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}
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}
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}
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```
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