<Window x:Class="WpfApp83.MainWindow" xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" xmlns:d="http://schemas.microsoft.com/expression/blend/2008" xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006" xmlns:local="clr-namespace:WpfApp83" mc:Ignorable="d" Title="MainWindow" Height="450" Width="800"> <Grid> <ListBox ItemsSource="{Binding}" HorizontalContentAlignment="Stretch"> <ListBox.GroupStyle> <GroupStyle> <GroupStyle.Panel> <ItemsPanelTemplate> <StackPanel Orientation="Horizontal"/> </ItemsPanelTemplate> </GroupStyle.Panel> <GroupStyle.HeaderTemplate> <DataTemplate> <Border BorderBrush="Red" BorderThickness="2" Background="White" Margin="2"> <TextBlock Text="{Binding Name,StringFormat=Priority:{0}}" FontSize="16" FontWeight="ExtraBold" Margin="4"/> </Border> </DataTemplate> </GroupStyle.HeaderTemplate> </GroupStyle> </ListBox.GroupStyle> <ListBox.ItemTemplate> <DataTemplate> <UniformGrid Rows="1" Columns="2" > <TextBlock Text="{Binding ProcessName}"/> <TextBlock Text="{Binding Id,StringFormat=ID:\{0\}}"/> <!--<TextBlock Text="{Binding PriorityClass}"/>--> </UniformGrid> </DataTemplate> </ListBox.ItemTemplate> </ListBox> </Grid> </Window> //xaml.cs using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.Threading.Tasks; using System.Windows; using System.Windows.Controls; using System.Windows.Data; using System.Windows.Documents; using System.Windows.Input; using System.Windows.Media; using System.Windows.Media.Animation; using System.Windows.Media.Imaging; using System.Windows.Navigation; using System.Windows.Shapes; using System.Diagnostics; namespace WpfApp83 { /// <summary> /// Interaction logic for MainWindow.xaml /// </summary> public partial class MainWindow : Window { public static bool CanAccess(Process proc) { try { var h = proc.Handle; return true; } catch (Exception) { return false; } } public MainWindow() { InitializeComponent(); var procs = Process.GetProcesses().Where(CanAccess); var view = CollectionViewSource.GetDefaultView(procs); view.GroupDescriptions.Add(new PropertyGroupDescription("PriorityClass")); DataContext = procs; } } }
标签:GroupDescriptions,Windows,Media,CollectionViewSource,System,using,WPF,MainWindow From: https://www.cnblogs.com/Fred1987/p/18170398