質問編集履歴
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追記：バインド実装
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DependencySource は、DependencyObject と同じ Thread 上で作成する必要があります。
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Backgroundに対してPropertyChangedイベントは利用できませんか？
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どのような方法でもいいので、bindingする方法をご教示いただければと思います。
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どのような方法でもいいので、bindingする方法をご教示いただければと思います。
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<追記 : バインド実装>
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xaml
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```ここに言語を入力
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<Label x:Name="lblB" Content="{Binding lbl_Context, Mode=OneWay, UpdateSourceTrigger=PropertyChanged}" Background="{Binding lbl_Background, UpdateSourceTrigger=PropertyChanged}" />
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```
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MainWindow.vb
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```ここに言語を入力
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Sub New()
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InitializeComponent()
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'データバインディング
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model = New DataModel
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Me.DataContext = modl
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'データモデルデータ更新スレッドスタート
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End Sub
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```
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-
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DataModel.vb
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```ここに言語を入力
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Public Class DataModel
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Implements INotifyPropertyChanged
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'テキスト
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Private lblcont As String
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'背景色
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Private lblBackground As Brush = New SolidColorBrush(Colors.LightGray)
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'表示更新通知イベント
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Private Event PropertyChanged As PropertyChangedEventHandler Implements INotifyPropertyChanged.PropertyChanged
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Private Sub OnPropertyChanged(propertyName As String)
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RaiseEvent PropertyChanged(Me, New PropertyChangedEventArgs(propertyName))
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End Sub
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Private Sub SetProperty(Of T)(ByRef storage As T, value As T, propertyName As String)
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Try
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If Object.Equals(storage, value) Then
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Return
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End If
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storage = value
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OnPropertyChanged(propertyName)
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Catch ex As Exception
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'エラーログ出力処理
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End Try
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End Sub
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'Content用
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Public Property lbl_Context As String
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Get
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Return lblcont
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End Get
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Set(ByVal value As String)
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SetProperty(lblcont, value, "lbl_Context")
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End Set
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End Property
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Public Property lbl_Background As Brush
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Get
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Return lblBackground
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End Get
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Set(ByVal value As Brush)
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SetProperty(lblBackground, value, "lbl_Background")
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End Set
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End Property
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```
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