質問編集履歴
1
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。
title
CHANGED
|
File without changes
|
body
CHANGED
|
@@ -10,8 +10,130 @@
|
|
|
10
10
|
UriクラスのSoundSourceプロパティをViewModelに定義し、バインディングしているのですが、ボタンを押しても音が鳴りません。
|
|
11
11
|
|
|
12
12
|
### 該当のソース
|
|
13
|
+
※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。
|
|
14
|
+
|
|
15
|
+
■View
|
|
16
|
+
```ここに言語を入力
|
|
17
|
+
<Window x:Class="MySoundPlayer.MainWindow"
|
|
18
|
+
xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
|
|
19
|
+
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
|
|
20
|
+
xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
|
|
21
|
+
xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
|
|
22
|
+
xmlns:vm="clr-namespace:MySoundPlayer.ViewModel"
|
|
23
|
+
mc:Ignorable="d"
|
|
24
|
+
Title="MainWindow" Height="200" Width="200">
|
|
25
|
+
|
|
26
|
+
<Window.DataContext>
|
|
27
|
+
<vm:SoundPlayerViewModel />
|
|
28
|
+
</Window.DataContext>
|
|
29
|
+
<Window.Resources>
|
|
30
|
+
<!--System Button-->
|
|
31
|
+
<Style x:Key="SoundButtonStyle" TargetType="{x:Type ToggleButton}">
|
|
32
|
+
<Setter Property="Template">
|
|
33
|
+
<Setter.Value>
|
|
34
|
+
<ControlTemplate x:Uid="SoundButtonTemplate" TargetType="{x:Type ToggleButton}">
|
|
35
|
+
<Grid x:Name="ButtonImageBrush" Opacity="1" Background="LightGray">
|
|
36
|
+
<Label Name="Caption"
|
|
37
|
+
FontSize="16"
|
|
38
|
+
Content="{Binding ButtonLabel}"
|
|
39
|
+
VerticalContentAlignment="Center"
|
|
40
|
+
HorizontalContentAlignment="Center"/>
|
|
41
|
+
</Grid>
|
|
42
|
+
<ControlTemplate.Triggers>
|
|
43
|
+
<!--<EventTrigger RoutedEvent="Click">
|
|
44
|
+
<SoundPlayerAction Source="/Sounds\button.wav" />
|
|
45
|
+
</EventTrigger>-->
|
|
13
|
-
<EventTrigger RoutedEvent="
|
|
46
|
+
<EventTrigger RoutedEvent="Click">
|
|
14
|
-
<EventTrigger.Actions>
|
|
15
|
-
|
|
47
|
+
<SoundPlayerAction Source="{Binding SoundSource}" />
|
|
16
|
-
</EventTrigger.Actions>
|
|
17
|
-
</EventTrigger>
|
|
48
|
+
</EventTrigger>
|
|
49
|
+
<Trigger Property="IsFocused" Value="True"/>
|
|
50
|
+
<Trigger Property="IsMouseOver" Value="True"/>
|
|
51
|
+
<Trigger Property="IsPressed" Value="True">
|
|
52
|
+
<Setter Property="Background" TargetName="ButtonImageBrush">
|
|
53
|
+
<Setter.Value>
|
|
54
|
+
<SolidColorBrush Color="Gray" />
|
|
55
|
+
</Setter.Value>
|
|
56
|
+
</Setter>
|
|
57
|
+
</Trigger>
|
|
58
|
+
<Trigger Property="IsChecked" Value="True">
|
|
59
|
+
<Setter Property="Background" TargetName="ButtonImageBrush">
|
|
60
|
+
<Setter.Value>
|
|
61
|
+
<SolidColorBrush Color="LightCyan" />
|
|
62
|
+
</Setter.Value>
|
|
63
|
+
</Setter>
|
|
64
|
+
</Trigger>
|
|
65
|
+
</ControlTemplate.Triggers>
|
|
66
|
+
</ControlTemplate>
|
|
67
|
+
</Setter.Value>
|
|
68
|
+
</Setter>
|
|
69
|
+
</Style>
|
|
70
|
+
|
|
71
|
+
</Window.Resources>
|
|
72
|
+
<Grid>
|
|
73
|
+
<ToggleButton Name="BTN_System"
|
|
74
|
+
Width="50"
|
|
75
|
+
Height="50"
|
|
76
|
+
Style="{StaticResource SoundButtonStyle}" />
|
|
77
|
+
</Grid>
|
|
78
|
+
</Window>
|
|
79
|
+
```
|
|
80
|
+
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。
|
|
81
|
+
|
|
82
|
+
|
|
83
|
+
■ViewModel
|
|
84
|
+
```ここに言語を入力
|
|
85
|
+
using System;
|
|
86
|
+
using System.ComponentModel;
|
|
87
|
+
|
|
88
|
+
namespace MySoundPlayer.ViewModel
|
|
89
|
+
{
|
|
90
|
+
class SoundPlayerViewModel : INotifyPropertyChanged
|
|
91
|
+
{
|
|
92
|
+
|
|
93
|
+
private Uri _SoundSource;
|
|
94
|
+
public Uri SoundSource
|
|
95
|
+
{
|
|
96
|
+
get
|
|
97
|
+
{
|
|
98
|
+
return _SoundSource;
|
|
99
|
+
}
|
|
100
|
+
set
|
|
101
|
+
{
|
|
102
|
+
_SoundSource = value;
|
|
103
|
+
if (PropertyChanged != null)
|
|
104
|
+
{
|
|
105
|
+
PropertyChanged(this, new PropertyChangedEventArgs("SoundSource"));
|
|
106
|
+
|
|
107
|
+
}
|
|
108
|
+
}
|
|
109
|
+
}
|
|
110
|
+
|
|
111
|
+
private String _ButtonLabel;
|
|
112
|
+
public String ButtonLabel
|
|
113
|
+
{
|
|
114
|
+
get
|
|
115
|
+
{
|
|
116
|
+
return _ButtonLabel;
|
|
117
|
+
}
|
|
118
|
+
set
|
|
119
|
+
{
|
|
120
|
+
_ButtonLabel = value;
|
|
121
|
+
if (PropertyChanged != null)
|
|
122
|
+
{
|
|
123
|
+
PropertyChanged(this, new PropertyChangedEventArgs("ButtonLabel"));
|
|
124
|
+
|
|
125
|
+
}
|
|
126
|
+
}
|
|
127
|
+
}
|
|
128
|
+
|
|
129
|
+
public event PropertyChangedEventHandler PropertyChanged;
|
|
130
|
+
|
|
131
|
+
public SoundPlayerViewModel()
|
|
132
|
+
{
|
|
133
|
+
SoundSource = new Uri(@"/Sounds\button.wav", UriKind.Relative);
|
|
134
|
+
ButtonLabel = "Play!";
|
|
135
|
+
}
|
|
136
|
+
}
|
|
137
|
+
}
|
|
138
|
+
|
|
139
|
+
```
|