Use PropertyGrid in WPF, the memory increased from 63M to 4.5G

• .NET Core Version: 5.0.202

• Have you experienced this same bug with .NET Framework?: No

Problem description: when i am use propertygrid in wpf, if set the SelectedObject, the memory increase from 63M to 4.5G

The Xaml Like this

<Window x:Class="WpfApp1.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:WpfApp1"
        xmlns:local1="clr-namespace:WpfCustomControlLibrary1;assembly=WpfCustomControlLibrary1"
        xmlns:winForms="clr-namespace:System.Windows.Forms;assembly=System.Windows.Forms"
        mc:Ignorable="d"
        Title="MainWindow" Height="450" Width="800" Loaded="Window_Loaded">
    <DockPanel>
        <ComboBox DockPanel.Dock="Top" ItemsSource="{Binding ObjectItems}" SelectedIndex="{Binding SelectedIndex}"/>
        <WindowsFormsHost>
            <winForms:PropertyGrid x:Name="propertyGrid" PropertySort="Categorized" Dock="Fill"/>
        </WindowsFormsHost>
    </DockPanel>
</Window>

The CS Code Like This:

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

        private void Window_Loaded(object sender, RoutedEventArgs e)
        {
            this.propertyGrid.SelectedObject = new System.Windows.Forms.Button();
        }
    }

Expected behavior:

Minimal repro:

[dupeng0224]

i have resolved this problem, Update the Visual Studio To 16.9.5, One Previous Version is 16.9.4,and anthor version is 16.8.2. i think this problem is because of roslyn。

[dupeng0224]

显示器：24寸，屏幕分辨率：1920*1080

------------------ 原始邮件 ------------------ 发件人: @.>; 发送时间: 2021年5月14日(星期五) 上午8:32 收件人: @.>; 抄送: @.>; @.>; 主题: Re: [dotnet/wpf] Use PropertyGrid in WPF, the memory increased from 63M to 4.5G (#4504)

@dupeng0224 what is your screen resolution?

你的屏幕有多大呢？屏幕分辨率多少呢？

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