Convert contents of a ListBoxItem to an instance of Thickness by using the BrushConverter : ListBox « Windows Presentation Foundation « C# / C Sharp

1. C# / C Sharp
2. Windows Presentation Foundation
3. ListBox

Convert contents of a ListBoxItem to an instance of Thickness by using the BrushConverter

  

<Window xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    x:Class="ThicknessConverter_Csharp.Window1"
    Title="ThicknessConverter Sample">
  <DockPanel Width="400" HorizontalAlignment="Left" VerticalAlignment="Top">
    <TextBlock DockPanel.Dock="Top" FontFamily="Verdana" FontSize="18" FontWeight="Bold" Margin="5">
      ThicknessConverter Sample</TextBlock>
    <Border Name="border1" Height="300" Width="300" Border.BorderThickness="2" Border.BorderBrush="Black" DockPanel.Dock="Top">
      <Grid Height="30" VerticalAlignment="Top">
        <Grid.RowDefinitions>
          <RowDefinition/>
          <RowDefinition/>
        </Grid.RowDefinitions>
        <TextBlock Grid.Row="0" Name="bThickness"/>
        <TextBlock Grid.Row="1" Name="bColor"/>
      </Grid>
    </Border>
    <Grid DockPanel.Dock="Top">
      <Grid.RowDefinitions>
        <RowDefinition/>
        <RowDefinition/>
        <RowDefinition/>
      </Grid.RowDefinitions>
      <Grid.ColumnDefinitions>
        <ColumnDefinition/>
        <ColumnDefinition/>
        <ColumnDefinition/>
        <ColumnDefinition/>
      </Grid.ColumnDefinitions>
      <TextBlock Grid.Row="1" Grid.Column="2" TextWrapping="Wrap">Set the BorderBrush Property:</TextBlock>
      <ListBox VerticalAlignment="Top" Grid.Column="3" Grid.Row="1" Width="60" Height="50" Margin="5" SelectionChanged="changeColor">
        <ListBoxItem>Red</ListBoxItem>
        <ListBoxItem>Green</ListBoxItem>
        <ListBoxItem>Blue</ListBoxItem>
        <ListBoxItem>Yellow</ListBoxItem>
        <ListBoxItem>Orange</ListBoxItem>
        <ListBoxItem>Purple</ListBoxItem>
        <ListBoxItem>Silver</ListBoxItem>
        <ListBoxItem>Pink</ListBoxItem>
        <ListBoxItem>Maroon</ListBoxItem>
        <ListBoxItem>Brown</ListBoxItem>
        <ListBoxItem>Black</ListBoxItem>
      </ListBox>
    </Grid>
  </DockPanel>        
</Window>

//File:Window.xaml.cs
using System;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Documents;
using System.Windows.Navigation;
using System.Windows.Media;

namespace ThicknessConverter_Csharp
{
  public partial class Window1 : Window
  {

    public void changeColor(object sender, SelectionChangedEventArgs args)
    {
      ListBoxItem li2 = ((sender as ListBox).SelectedItem as ListBoxItem);
            BrushConverter myBrushConverter = new BrushConverter();
            border1.BorderBrush = (Brush)myBrushConverter.ConvertFromString((string)li2.Content);
            bColor.Text = "Border.Borderbrush =" + li2.Content.ToString();
        }
  }
}

   
    
  

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