WPF & C# - UserControl ListBoxItem ( 사용자 정의 컨트롤 / 리스트박스 아이템 )

WPF & C# - UserControl ListBoxItem ( 사용자 정의 컨트롤 / 리스트박스 아이템 )

WpfApp13.zip

UserControl 삭제하기 ( 사용자 정의 컨트롤 / 삭제하는 방법 / Close() / Dispose)

(this.Parent as Grid).Children.Remove(this);

listItem.xaml - 사용자 정의 컨트롤

<UserControl x:Class="WpfApp13.listItem"
            xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
            xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
            xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006" 
            xmlns:d="http://schemas.microsoft.com/expression/blend/2008" 
            xmlns:local="clr-namespace:WpfApp13"
            mc:Ignorable="d" 
            d:DesignHeight="28.67" d:DesignWidth="137.119">
<Grid>
    <StackPanel Orientation="Horizontal" Height="28.67">
        <Ellipse x:Name="ell" Fill="#FFF4F4F5" Height="28.67" Width="28.67"/>
        <TextBox x:Name="tbx" Height="28.67" Text="TextBox" VerticalContentAlignment="Center" HorizontalContentAlignment="Center" />
    </StackPanel>
 
</Grid>
</UserControl>

listItem.xaml.cs - 사용자 정의 컨트롤

public partial class listItem : UserControl
{
    public listItem()
    {
        InitializeComponent();
    }
 
    public string str
    {
        get { return tbx.Text; }
        set { tbx.Text = value; }
    }
 
    public Color clr
    {
        get { return (ell.Fill as SolidColorBrush).Color; }
        set { ell.Fill = new SolidColorBrush(value); }
    }
}

MainWindow.xaml.cs

<StackPanel Margin="10">
    <Button x:Name="btn" Content="Button" Height="30" Margin="5" Click="btn_Click"/>
    <ListBox x:Name="lbx" Margin="5" SelectionChanged="lbx_SelectionChanged"></ListBox>
</StackPanel>

MainWindow.xaml.cs

private Color[] circleColors =
{
    Colors.Red,
    Colors.Black,
    Colors.LawnGreen,
    Colors.Blue,
    Colors.Cyan,
    Colors.Magenta,
    Colors.Blue,
    Colors.BlueViolet,
    Colors.Brown,
    Colors.BurlyWood,
};
 
int i = 0;
private void btn_Click(object sender, RoutedEventArgs e)
{
    lll con = new lll();
    con.str = i++.ToString("000");
    con.clr = circleColors[i % circleColors.Length];
    lbx.Items.Add(con);
}
 
private void lbx_SelectionChanged(object sender, SelectionChangedEventArgs e)
{
    // 조건에 맞는 객체 찾기
    // http://insurang.tistory.com/359
    lll lstitem = lbx.SelectedItems.OfType<lll>().FirstOrDefault();
    btn.Background = new SolidColorBrush(lstitem.clr);
    btn.Content = lstitem.str;
}