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WPF--繫結自定義資料型別

WPF作為資料繫結的目標:
使用DataContext屬性,表示當前控制元件中的每個元素都繫結此資料:
資料型別定義:

public class FamilyData
{
    private string m_familyName;
    private string m_width;
    private string m_height;

    public string FamilyName
    {
        get { return m_familyName; }
        set { m_familyName = value; }
    }

    public string Width
    {
        get { return m_width; }
        set{ m_width = value; }
    }

    public string Height
    {
        get { return m_height; }
        set { m_height = value; }
    }
}

XAML:

<Grid>
    <StackPanel Name="stackPanel" Orientation="Vertical" HorizontalAlignment="Left">
        <TextBlock Name="txtName" Text="{Binding FamilyName}"/>
       <TextBlock Name="txtWidth" Text="{Binding Width}"/>
        <TextBlock Name="txtHeight" Text="{Binding Height}"/>
    </StackPanel>
</Grid>

對應xaml.cs程式碼:

public partial class MainWindow : Window
{
    public MainWindow()
    {
        InitializeComponent();
        Init();
    }

    private FamilyData familyData;
    public void Init()
    {
        familyData = new FamilyData();
        familyData.FamilyName = "支吊架族";
        familyData.Width = "200";
        familyData.Height = "500";
        stackPanel.DataContext = familyData;
    }
}