init

.gitignore

@@ -0,0 +1,268 @@
+!*.lib
+
+## Ignore Visual Studio temporary files, build results, and
+## files generated by popular Visual Studio add-ons.
+
+# User-specific files
+*.suo
+*.user
+*.userosscache
+*.sln.docstates
+
+# User-specific files (MonoDevelop/Xamarin Studio)
+*.userprefs
+
+# Build results
+[Dd]ebug/
+[Dd]ebugPublic/
+[Rr]elease/
+[Rr]eleases/
+x64/
+x86/
+bld/
+[Bb]in/
+[Oo]bj/
+[Ll]og/
+
+# Visual Studio 2015 cache/options directory
+.vs/
+# Uncomment if you have tasks that create the project's static files in wwwroot
+#wwwroot/
+
+# MSTest test Results
+[Tt]est[Rr]esult*/
+[Bb]uild[Ll]og.*
+
+# NUNIT
+*.VisualState.xml
+TestResult.xml
+
+# Build Results of an ATL Project
+[Dd]ebugPS/
+[Rr]eleasePS/
+dlldata.c
+
+# DNX
+project.lock.json
+project.fragment.lock.json
+artifacts/
+
+*_i.c
+*_p.c
+*_i.h
+*.ilk
+*.meta
+*.obj
+*.pch
+*.pdb
+*.pgc
+*.pgd
+*.rsp
+*.sbr
+*.tlb
+*.tli
+*.tlh
+*.tmp
+*.tmp_proj
+*.log
+*.vspscc
+*.vssscc
+.builds
+*.pidb
+*.svclog
+*.scc
+
+# Chutzpah Test files
+_Chutzpah*
+
+# Visual C++ cache files
+ipch/
+*.aps
+*.ncb
+*.opendb
+*.opensdf
+*.sdf
+*.cachefile
+*.VC.db
+*.VC.VC.opendb
+
+# Visual Studio profiler
+*.psess
+*.vsp
+*.vspx
+*.sap
+
+# TFS 2012 Local Workspace
+$tf/
+
+# Guidance Automation Toolkit
+*.gpState
+
+# ReSharper is a .NET coding add-in
+_ReSharper*/
+*.[Rr]e[Ss]harper
+*.DotSettings.user
+
+# JustCode is a .NET coding add-in
+.JustCode
+
+# TeamCity is a build add-in
+_TeamCity*
+
+# DotCover is a Code Coverage Tool
+*.dotCover
+
+# NCrunch
+_NCrunch_*
+.*crunch*.local.xml
+nCrunchTemp_*
+
+# MightyMoose
+*.mm.*
+AutoTest.Net/
+
+# Web workbench (sass)
+.sass-cache/
+
+# Installshield output folder
+[Ee]xpress/
+
+# DocProject is a documentation generator add-in
+DocProject/buildhelp/
+DocProject/Help/*.HxT
+DocProject/Help/*.HxC
+DocProject/Help/*.hhc
+DocProject/Help/*.hhk
+DocProject/Help/*.hhp
+DocProject/Help/Html2
+DocProject/Help/html
+
+# Click-Once directory
+publish/
+
+# Publish Web Output
+*.[Pp]ublish.xml
+*.azurePubxml
+# Comment the next line if you want to checkin your web deploy settings
+# but database connection strings (with potential passwords) will be unencrypted
+#*.pubxml
+*.publishproj
+
+# Microsoft Azure Web App publish settings. Comment the next line if you want to
+# checkin your Azure Web App publish settings, but sensitive information contained
+# in these scripts will be unencrypted
+PublishScripts/
+
+# NuGet Packages
+*.nupkg
+# The packages folder can be ignored because of Package Restore
+**/packages/*
+# except build/, which is used as an MSBuild target.
+!**/packages/build/
+# Uncomment if necessary however generally it will be regenerated when needed
+#!**/packages/repositories.config
+# NuGet v3's project.json files produces more ignoreable files
+*.nuget.props
+*.nuget.targets
+
+# Microsoft Azure Build Output
+csx/
+*.build.csdef
+
+# Microsoft Azure Emulator
+ecf/
+rcf/
+
+# Windows Store app package directories and files
+AppPackages/
+BundleArtifacts/
+Package.StoreAssociation.xml
+_pkginfo.txt
+
+# Visual Studio cache files
+# files ending in .cache can be ignored
+*.[Cc]ache
+# but keep track of directories ending in .cache
+!*.[Cc]ache/
+
+# Others
+ClientBin/
+~$*
+*~
+*.dbmdl
+*.dbproj.schemaview
+*.jfm
+*.pfx
+*.publishsettings
+node_modules/
+orleans.codegen.cs
+
+# Since there are multiple workflows, uncomment next line to ignore bower_components
+# (https://github.com/github/gitignore/pull/1529#issuecomment-104372622)
+#bower_components/
+
+# RIA/Silverlight projects
+Generated_Code/
+
+# Backup & report files from converting an old project file
+# to a newer Visual Studio version. Backup files are not needed,
+# because we have git ;-)
+_UpgradeReport_Files/
+Backup*/
+UpgradeLog*.XML
+UpgradeLog*.htm
+
+# SQL Server files
+*.mdf
+*.ldf
+
+# Business Intelligence projects
+*.rdl.data
+*.bim.layout
+*.bim_*.settings
+
+# Microsoft Fakes
+FakesAssemblies/
+
+# GhostDoc plugin setting file
+*.GhostDoc.xml
+
+# Node.js Tools for Visual Studio
+.ntvs_analysis.dat
+
+# Visual Studio 6 build log
+*.plg
+
+# Visual Studio 6 workspace options file
+*.opt
+
+# Visual Studio LightSwitch build output
+**/*.HTMLClient/GeneratedArtifacts
+**/*.DesktopClient/GeneratedArtifacts
+**/*.DesktopClient/ModelManifest.xml
+**/*.Server/GeneratedArtifacts
+**/*.Server/ModelManifest.xml
+_Pvt_Extensions
+
+# Paket dependency manager
+.paket/paket.exe
+paket-files/
+
+# FAKE - F# Make
+.fake/
+
+# JetBrains Rider
+.idea/
+*.sln.iml
+
+# CodeRush
+.cr/
+
+# Python Tools for Visual Studio (PTVS)
+__pycache__/
+*.pyc
+
+!hasp*.exe
+!hasp*.dll
+!HiLock.dll
+!Aladdin*.dll

AssemblyInfo.cs

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+using System.Windows;
+
+[assembly: ThemeInfo(
+    ResourceDictionaryLocation.None,            //where theme specific resource dictionaries are located
+                                                //(used if a resource is not found in the page,
+                                                // or application resource dictionaries)
+    ResourceDictionaryLocation.SourceAssembly   //where the generic resource dictionary is located
+                                                //(used if a resource is not found in the page,
+                                                // app, or any theme specific resource dictionaries)
+)]

Disp/RenderingCanvas.cs

@@ -0,0 +1,394 @@
+using Hi.Disp;
+using Hi.Native;
+using Hi.PanelModels;
+using System;
+using System.Windows;
+using System.Windows.Controls;
+using System.Windows.Input;
+using System.Windows.Media;
+using System.Windows.Media.Imaging;
+using System.Collections.Generic;
+using Hi.Geom;
+
+namespace Hi.Wpf.Disp
+{
+    #region WPF Rendering Canvas
+    public class RenderingCanvas : UserControl, IDisposable
+    {
+        #region Core_Properties
+        /// <summary>
+        /// The DispEngine instance that handles rendering and user interactions
+        /// </summary>
+        public DispEngine DispEngine { get; } = new DispEngine();
+        
+        /// <summary>
+        /// Internal container for rendering content
+        /// </summary>
+        private UserControl DisplayerPane { get; }
+        
+        /// <summary>
+        /// Dictionary to store touch point information
+        /// </summary>
+        private Dictionary<int, Point> TouchingPointsMap { get; } = new Dictionary<int, Point>();
+        
+        /// <summary>
+        /// Dictionary to store previous positions of touch points
+        /// </summary>
+        private Dictionary<int, Point> PreviousTouchingPointsMap { get; } = new Dictionary<int, Point>();
+        #endregion
+        
+        #region Initialization
+        /// <summary>
+        /// Initializes a new instance of the RenderingCanvas
+        /// </summary>
+        public RenderingCanvas()
+        {
+            DispEngine.BackgroundColor = new Vec3d(0.1, 0.1, 0.5);
+            DispEngine.BackgroundOpacity = 0.1;
+
+            // Configure the main control properties
+            HorizontalAlignment = HorizontalAlignment.Stretch;
+            VerticalAlignment = VerticalAlignment.Stretch;
+            Focusable = true;
+            KeyboardNavigation.SetDirectionalNavigation(this, KeyboardNavigationMode.Cycle);
+            DataContextChanged += CanvasDataContextChanged;
+
+            // Create and configure the display pane
+            DisplayerPane = new UserControl();
+            DisplayerPane.HorizontalAlignment = HorizontalAlignment.Stretch;
+            DisplayerPane.VerticalAlignment = VerticalAlignment.Stretch;
+            DisplayerPane.Focusable = true;
+            DisplayerPane.IsTabStop = true;
+
+            // Connect event handlers for user input and window events
+            DisplayerPane.SizeChanged += RenderingCanvas_SizeChanged;
+            DisplayerPane.MouseMove += RenderingCanvas_MouseMove;
+            DisplayerPane.MouseDown += RenderingCanvas_MouseDown;
+            DisplayerPane.MouseUp += RenderingCanvas_MouseUp;
+            DisplayerPane.MouseWheel += RenderingCanvas_MouseWheel;
+            DisplayerPane.KeyDown += RenderingCanvas_KeyDown;
+            DisplayerPane.KeyUp += RenderingCanvas_KeyUp;
+            DisplayerPane.Loaded += RenderingCanvas_Loaded;
+            DisplayerPane.Unloaded += RenderingCanvas_Unloaded;
+            DisplayerPane.IsVisibleChanged += DisplayerPane_IsVisibleChanged;
+
+            // Add touch event handlers
+            DisplayerPane.TouchDown += RenderingCanvas_TouchDown;
+            DisplayerPane.TouchMove += RenderingCanvas_TouchMove;
+            DisplayerPane.TouchUp += RenderingCanvas_TouchUp;
+            
+            // Enable touch support
+            this.IsManipulationEnabled = true;
+
+            // Add the display pane to this control's content
+            Content = DisplayerPane;
+        }
+        #endregion
+        
+        #region Touch_Events
+        /// <summary>
+        /// Handles the touch down event
+        /// </summary>
+        private void RenderingCanvas_TouchDown(object sender, TouchEventArgs e)
+        {
+            // Add touch point to dictionary
+            Point touchPoint = e.GetTouchPoint(DisplayerPane).Position;
+            DispEngine.TouchDown(e.TouchDevice.Id,
+                (int)touchPoint.X, (int)touchPoint.Y);
+
+            // Ensure control gets focus
+            DisplayerPane.Focus();
+            e.TouchDevice.Capture(DisplayerPane);
+            
+            e.Handled = true;
+        }
+        
+        /// <summary>
+        /// Handles the touch move event
+        /// </summary>
+        private void RenderingCanvas_TouchMove(object sender, TouchEventArgs e)
+        {
+            Point touchPoint = e.GetTouchPoint(DisplayerPane).Position;
+            DispEngine.TouchMove(e.TouchDevice.Id,
+                (int)touchPoint.X, (int)touchPoint.Y);
+            e.Handled = true;
+        }
+        
+        /// <summary>
+        /// Handles the touch up event
+        /// </summary>
+        private void RenderingCanvas_TouchUp(object sender, TouchEventArgs e)
+        {
+            DispEngine.TouchUp(e.TouchDevice.Id);
+            e.Handled = true;
+        }
+        #endregion
+        
+        #region Window_Events
+        /// <summary>
+        /// Handles window state changes (maximize, minimize, etc.)
+        /// </summary>
+        private unsafe void RenderingCanvas_StateChanged(object sender, EventArgs e)
+        {
+            switch ((sender as Window).WindowState)
+            {
+                case WindowState.Maximized:
+                    DispEngine.IsVisible = true;
+                    break;
+                case WindowState.Minimized:
+                    DispEngine.IsVisible = false;
+                    break;
+                case WindowState.Normal:
+                    DispEngine.IsVisible = true;
+                    break;
+            }
+        }
+
+        /// <summary>
+        /// Handles data context changes
+        /// </summary>
+        private unsafe void CanvasDataContextChanged(object sender, DependencyPropertyChangedEventArgs e)
+        {
+            DispEngine pre = e.OldValue as DispEngine;
+            DispEngine cur = e.NewValue as DispEngine;
+
+            //child's binding event is triggered after IsVisible event and Load event.
+            if (pre != null)    //this section will never occur if the datacontext not set twice.
+            {
+                pre.Terminate();
+                pre.ImageRequestAfterBufferSwapped -= RenderingCanvas_BufferSwapped;
+            }
+            if (cur != null)
+            {
+                cur.ImageRequestAfterBufferSwapped += RenderingCanvas_BufferSwapped;
+                cur.Start((int)DisplayerPane.RenderSize.Width, (int)DisplayerPane.RenderSize.Height);
+
+                cur.IsVisible = IsVisible;
+            }
+        }
+        
+        /// <summary>
+        /// Reference to the current window containing this control
+        /// </summary>
+        private Window currentWindow;
+        
+        /// <summary>
+        /// Gets or sets the current window, connecting or disconnecting state change events
+        /// </summary>
+        Window CurrentWindow
+        {
+            get => currentWindow; set
+            {
+                if (currentWindow != null)
+                    currentWindow.StateChanged -= RenderingCanvas_StateChanged;
+                currentWindow = value;
+                if (currentWindow != null)
+                    currentWindow.StateChanged += RenderingCanvas_StateChanged;
+            }
+        }
+        
+        /// <summary>
+        /// Handles the loaded event
+        /// </summary>
+        private unsafe void RenderingCanvas_Loaded(object sender, RoutedEventArgs e)
+        {
+            // Get the window containing this control
+            CurrentWindow = Window.GetWindow(this);
+            
+            // Set up DispEngine rendering
+            DispEngine.ImageRequestAfterBufferSwapped -= RenderingCanvas_BufferSwapped;
+            DispEngine.ImageRequestAfterBufferSwapped += RenderingCanvas_BufferSwapped;
+            DispEngine.Start((int)DisplayerPane.RenderSize.Width, (int)DisplayerPane.RenderSize.Height);
+            DispEngine.IsVisible = IsVisible;
+        }
+        
+        /// <summary>
+        /// Handles the unloaded event
+        /// </summary>
+        private unsafe void RenderingCanvas_Unloaded(object sender, RoutedEventArgs e)
+        {
+            DispEngine.IsVisible = IsVisible;
+            DispEngine.ImageRequestAfterBufferSwapped -= RenderingCanvas_BufferSwapped;
+            CurrentWindow = null;
+        }
+        #endregion
+        
+        #region DispEngine_Rendering
+        /// <summary>
+        /// Handles the buffer swapped event from DispEngine
+        /// </summary>
+        private unsafe void RenderingCanvas_BufferSwapped(byte* data, int w, int h)
+        {
+            if (data == null)
+                return;
+                
+            // Copy pixel data from DispEngine
+            int n = w * h * 4;
+            byte[] arr = new byte[n];
+            for (int i = 0; i < n; i++)
+                arr[i] = data[i];
+                
+            // Update UI on the UI thread
+            DisplayerPane.Dispatcher.InvokeAsync(() =>
+            {
+                BitmapSource bitmap = BitmapSource.Create(w, h, 1, 1, PixelFormats.Bgra32, null, arr, w * 4);
+                DisplayerPane.Background = new ImageBrush(bitmap);
+            });
+        }
+        
+        /// <summary>
+        /// Handles the size changed event
+        /// </summary>
+        private void RenderingCanvas_SizeChanged(object sender, SizeChangedEventArgs e)
+        {
+            // Notify DispEngine of size changes
+            DispEngine.Resize((int)DisplayerPane.RenderSize.Width, (int)DisplayerPane.RenderSize.Height);
+        }
+        
+        /// <summary>
+        /// Handles visibility changes
+        /// </summary>
+        private unsafe void DisplayerPane_IsVisibleChanged(object sender, DependencyPropertyChangedEventArgs e)
+        {
+            // Update visibility state in DispEngine
+            DispEngine.IsVisible = IsVisible;
+        }
+        #endregion
+        
+        #region Keyboard_Events
+        /// <summary>
+        /// Handles the key up event
+        /// </summary>
+        private void RenderingCanvas_KeyUp(object sender, KeyEventArgs e)
+        {
+            DispEngine.KeyUp((long)e.Key);
+        }
+        
+        /// <summary>
+        /// Handles the key down event
+        /// </summary>
+        private void RenderingCanvas_KeyDown(object sender, KeyEventArgs e)
+        {
+            DispEngine.KeyDown((long)e.Key);
+
+            // Map specific keys for view transformation
+            long key = (long)e.Key;
+            if (key == (long)Key.RightShift)
+                key = (long)Key.LeftShift;
+                
+            DispEngine.KeyDownTransform(key, new key_table__transform_view_by_key_pressing_t()
+            {
+                HOME = (long)Key.Home,
+                PAGE_UP = (long)Key.PageUp,
+                PAGE_DOWN = (long)Key.PageDown,
+                F1 = (long)Key.F1,
+                F2 = (long)Key.F2,
+                F3 = (long)Key.F3,
+                F4 = (long)Key.F4,
+                SHIFT = (long)Key.LeftShift,
+                ARROW_LEFT = (long)Key.Left,
+                ARROW_RIGHT = (long)Key.Right,
+                ARROW_DOWN = (long)Key.Down,
+                ARROW_UP = (long)Key.Up
+            });
+        }
+        #endregion
+        
+        #region Mouse_Events
+        /// <summary>
+        /// Helper method to get mouse button mask
+        /// </summary>
+        internal static HiMouseButtonMask GetMouseButtonMask(MouseDevice device)
+        {
+            HiMouseButtonMask mouseButtonMask = 0;
+            mouseButtonMask.SetLeftPressed(device.LeftButton == MouseButtonState.Pressed);
+            mouseButtonMask.SetMiddlePressed(device.MiddleButton == MouseButtonState.Pressed);
+            mouseButtonMask.SetRightPressed(device.RightButton == MouseButtonState.Pressed);
+            mouseButtonMask.SetXButton1Pressed(device.XButton1 == MouseButtonState.Pressed);
+            mouseButtonMask.SetXButton2Pressed(device.XButton2 == MouseButtonState.Pressed);
+            return mouseButtonMask;
+        }
+
+        /// <summary>
+        /// Handles the mouse wheel event
+        /// </summary>
+        private void RenderingCanvas_MouseWheel(object sender, MouseWheelEventArgs e)
+        {
+            // Handle mouse wheel for zoom operations
+            DispEngine.MouseWheel(0, e.Delta / 120);
+            DispEngine.MouseWheelTransform(0, e.Delta / 120);
+        }
+        
+        /// <summary>
+        /// Handles the mouse up event
+        /// </summary>
+        private void RenderingCanvas_MouseUp(object sender, MouseButtonEventArgs e)
+        {
+            // Handle mouse button release
+            DispEngine.MouseButtonUp((long)e.ChangedButton);
+            (sender as UIElement)?.ReleaseMouseCapture();
+        }
+        
+        /// <summary>
+        /// Handles the mouse down event
+        /// </summary>
+        private void RenderingCanvas_MouseDown(object sender, MouseButtonEventArgs e)
+        {
+            // Handle mouse button press
+            DispEngine.MouseButtonDown((long)e.ChangedButton);
+            DisplayerPane.Focus();
+            (sender as UIElement)?.CaptureMouse();
+        }
+        
+        /// <summary>
+        /// Handles the mouse move event
+        /// </summary>
+        private void RenderingCanvas_MouseMove(object sender, MouseEventArgs e)
+        {
+            // Update mouse position and handle drag transforms
+            Point p = e.GetPosition(DisplayerPane);
+            DispEngine.MouseMove((int)p.X, (int)p.Y);
+            DispEngine.MouseDragTransform((int)p.X, (int)p.Y,
+                new mouse_button_table__transform_view_by_mouse_drag_t()
+                {
+                    LEFT_BUTTON = (long)MouseButton.Left,
+                    RIGHT_BUTTON = (long)MouseButton.Right
+                });
+        }
+        #endregion
+        
+        #region Cleanup
+        /// <summary>
+        /// Flag to track disposed state
+        /// </summary>
+        private bool disposedValue;
+        
+        /// <summary>
+        /// Disposes managed resources
+        /// </summary>
+        protected virtual void Dispose(bool disposing)
+        {
+            if (!disposedValue)
+            {
+                if (disposing)
+                {
+                    // Dispose the DispEngine to free resources
+                    DispEngine.Dispose();
+                }
+                disposedValue = true;
+            }
+        }
+        
+        /// <summary>
+        /// Public dispose method to free resources
+        /// </summary>
+        public void Dispose()
+        {
+            // Do not change this code. Put cleanup code in 'Dispose(bool disposing)' method
+            Dispose(disposing: true);
+            GC.SuppressFinalize(this);
+        }
+        #endregion
+    }
+    #endregion
+}

Disp/RenderingWindow.cs

@@ -0,0 +1,63 @@
+using Hi.Disp;
+using Hi.Licenses;
+using System;
+using System.Windows;
+using System.Windows.Media;
+
+namespace Hi.Wpf.Disp
+{
+    /// <summary>
+    /// Window for 3D rendering.
+    /// </summary>
+    public class RenderingWindow : Window, IGetDispEngine
+    {
+        public RenderingCanvas RenderingCanvas => Content as RenderingCanvas;
+
+        /// <summary>
+        /// Ctor.
+        /// </summary>
+        public RenderingWindow()
+        {
+            Title = nameof(RenderingWindow);
+            Height = 450;
+            Width = 800;
+            StateChanged += RenderingWind_StateChanged;
+            Content = new RenderingCanvas()
+            {
+                BorderThickness = new Thickness(1),
+                BorderBrush = Brushes.Black
+            };
+        }
+        private void RenderingWind_StateChanged(object sender, EventArgs e)
+        {
+            RenderingCanvas.DispEngine.IsVisible = WindowState != WindowState.Minimized;
+        }
+        /// <inheritdoc/>
+        public DispEngine GetDispEngine() => RenderingCanvas.DispEngine;
+        /// <summary>
+        /// Run a simple <see cref="RenderingWindow"/> application with given <paramref name="displayees"/>.
+        /// </summary>
+        /// <param name="title">Title</param>
+        /// <param name="displayees">displayees</param>
+        /// <returns>return value of <see cref="Application"/>.<see cref="Application.Run(Window)"/></returns>
+        public static int RunApplication(string title, params IDisplayee[] displayees)
+        {
+            License.LogInAll();
+            DispEngine.Init();
+
+            Application app = new Application
+            {
+                ShutdownMode = ShutdownMode.OnMainWindowClose
+            };
+            app.Exit += (o, e) =>
+            {
+                DispEngine.FinishDisp();
+                License.LogOutAll();
+            };
+            RenderingWindow window = new RenderingWindow() { Title = title };
+            window.RenderingCanvas.DispEngine.Displayee = new DispList(displayees);
+            window.RenderingCanvas.DispEngine.SetViewToHomeView();
+            return app.Run(window);
+        }
+    }
+}

Hi.Wpf.csproj

@@ -0,0 +1,40 @@
+<Project Sdk="Microsoft.NET.Sdk">
+  <PropertyGroup>
+    <UseWPF>true</UseWPF>
+    <UseWindowsForms>true</UseWindowsForms>
+    <OutputType>Exe</OutputType>
+    <TargetFramework>net9.0-windows</TargetFramework>
+    <Platforms>x64</Platforms>
+    <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
+    <AssemblyName>Hi.Wpf</AssemblyName>
+    <RootNamespace>$(AssemblyName)</RootNamespace>
+    <Description>
+			HiAPI samples for windows platform.
+		</Description>
+    <Configurations>Debug;Release</Configurations>
+    <VersionBuild>3</VersionBuild>
+    <VersionPrefix>1.4.$(VersionBuild)</VersionPrefix>
+    <Product>$(AssemblyName)</Product>
+    <ApplicationIcon>techcoordinate.ico</ApplicationIcon>
+    <Copyright>Copyright 2022 Tech Coordinate Co., Ltd.</Copyright>
+    <Company>Tech Coordinate Co., Ltd.</Company>
+    <Authors>Tech Coordinate Co., Ltd.</Authors>
+    <OutputPath>bin\$(Platform).$(Configuration)\</OutputPath>
+    <StartupObject>Hi.Wpf.Program</StartupObject>
+  </PropertyGroup>
+  <ItemGroup Condition="'$(Configuration)'=='Debug'">
+    <ProjectReference Include="..\HiDisp\HiDisp.csproj" />
+  </ItemGroup>
+  <ItemGroup Condition="'$(Configuration)'=='Release'">
+    <PackageReference Include="HiDisp" Version="1.4.*" />
+  </ItemGroup>
+  <PropertyGroup Condition="'$(Configuration)'=='Release'">
+    <IsIgnoreObfuscar>true</IsIgnoreObfuscar>
+    <Optimize>true</Optimize>
+    <GeneratePackageOnBuild>true</GeneratePackageOnBuild>
+    <CopyLocalLockFileAssemblies>true</CopyLocalLockFileAssemblies>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)'=='Debug'">
+    <DefineConstants>DEBUG;TRACE</DefineConstants>
+  </PropertyGroup>
+</Project>

Program.cs

@@ -0,0 +1,19 @@
+using Hi.Disp;
+using Hi.Disp.Flag;
+using Hi.Geom;
+using Hi.Wpf.Disp;
+using System;
+
+namespace Hi.Wpf
+{
+    static class Program
+    {
+        [STAThread]
+        public static void Main(string[] args)
+        {
+            DispEngine.Init();
+            RenderingWindow.RunApplication("test",
+                new CoordinateDrawing(), new Stl(Box3d.CenterUnitBox).ToFaceDrawing());
+        }
+    }
+}

Properties/launchSettings.json

@@ -0,0 +1,10 @@
+{
+  "profiles": {
+    "HiAPI-Demo-WPF": {
+      "commandName": "Project",
+      "environmentVariables": {
+        "ASPNETCORE_ENVIRONMENT": "Development"
+      }
+    }
+  }
+}