wpf - 随笔分类 - FredGrit

WPF WeakReference

摘要：Install-Package MessagePack Install-Package Newtonsoft.json public class ImgUrlToImgSourceConverter : IValueConverter { Dictionary<string, WeakReferen 阅读全文

posted @ 2026-03-29 22:19 FredGrit 阅读(3) 评论(0) 推荐(0)

WPF implement ICommand with async execute

摘要：public class DelCommand : ICommand { private Action<object?>? syncExecute; private readonly Func<object?, Task> asyncExecute; private Predicate<object 阅读全文

posted @ 2026-03-17 22:42 FredGrit 阅读(4) 评论(0) 推荐(0)

WPF ListBox control virtualization in mvvm

摘要：<Window x:Class="WpfApp6.MainWindow" xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/200 阅读全文

posted @ 2026-03-17 21:40 FredGrit 阅读(6) 评论(0) 推荐(0)

WPF Data Source invoke from web api

摘要：Install-Package Newtonsoft.json public async Task GetServiceDataAsync() { string bookUrl = "https://localhost:7205/api/book"; using (HttpClient hclien 阅读全文

posted @ 2026-03-15 00:42 FredGrit 阅读(5) 评论(0) 推荐(0)

WPF custom VirtualizingGridPanel inherited from VirtualizingPanel and IScrollInfo,MeasureOverride and ArrangeOverride

摘要：public class VirtualizingGridPanel : VirtualizingPanel, IScrollInfo { public double ColumnWidth { get; set; } = 200; public double ItemHeight { get; s 阅读全文

posted @ 2026-03-03 22:13 FredGrit 阅读(6) 评论(0) 推荐(0)

WPF implement DelCommand inherited from ICommand from scratch

摘要：public class DelCommand : ICommand { private Action<object?> execute; private Predicate<object?> canExecute; public DelCommand(Action<object?> execute 阅读全文

posted @ 2026-02-25 23:25 FredGrit 阅读(13) 评论(0) 推荐(0)

WPF CommunityToolkit.mvvm implement dependency injection via ServiceBuilder and ServiceCollection

摘要：Install-Package communitytoolkit.mvvm Install-Package Microsoft.Extensions.DependencyInjection <Application x:Class="WpfApp3.App" xmlns="http://schema 阅读全文

posted @ 2026-02-08 18:56 FredGrit 阅读(5) 评论(0) 推荐(0)

WPF DataGrid SelectionMode="Extended" and ContextMenu MenuItem command pass parameters as PlacementTarget.SelectedItems and convert SelectedItemsCollection to List

摘要：<DataGrid.ContextMenu> <ContextMenu> <MenuItem Header="Export Selected" Command="{Binding ExportSelectedCommand}" CommandParameter="{Binding RelativeS 阅读全文

posted @ 2026-02-08 10:55 FredGrit 阅读(5) 评论(0) 推荐(0)

WPF，C# generate QRCode via ZXing

摘要：Install-Package ZXing.Net Install-Package Newtonsoft.Json public static class QrCodeGenerator { public static BitmapImage GeneratorBookQrCode(Book bk, 阅读全文

posted @ 2026-01-12 23:02 FredGrit 阅读(13) 评论(0) 推荐(0)

WPF IModule, IRegionManage,ContentRegion, MVVM, LiveCharts,PieChart,CartesianChart

摘要：Get-Project -All|Install-Package livecharts.wpf Get-Project -All|Install-Package Prism.DryIoc -version 8.1.97 Get-Project -All|Install-Package Prism.W 阅读全文

posted @ 2026-01-11 18:49 FredGrit 阅读(20) 评论(0) 推荐(0)

WPF .net 10 DelCommand implements ICommand, mvvm,

摘要：//MainWindow.xaml <Window x:Class="WpfApp49.MainWindow" xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.micr 阅读全文

posted @ 2026-01-09 22:39 FredGrit 阅读(14) 评论(0) 推荐(0)

WPF Prism.Wpf, Prsim.DryIOC integrate sub module/project into main module via IRegionManager

摘要：Get-Project -All| Install-Package Prism.Wpf -v 8.1.97; Get-Project -All| Install-Package Prism.DryIOC -v 8.1.97; //MainWindow.xaml <Window x:Class="Wp 阅读全文

posted @ 2026-01-03 22:01 FredGrit 阅读(17) 评论(0) 推荐(0)

WPF sub module/project retrieve its own folder' image via Assembly GetManifestResourceStream ResourceReader

摘要：private void LoadImagesFromResources() { // 1. Get the CarProject assembly Assembly carAssembly = Assembly.GetExecutingAssembly(); string assemblyName 阅读全文

posted @ 2026-01-03 21:46 FredGrit 阅读(14) 评论(0) 推荐(0)

WPF Prism.Wpf and Prism.DryIOC are both -v 8.1.97,implement mvvm,ioc,auto wire viewmodel ,MemoryCache,listbox loaded 10M pictures

摘要：Install-Package Prism.Wpf -v 8.1.97; Install-Package Prism.DryIOC -v 8.1.97;Install-Package System.Runtime.Caching; //memory cache CacheItemPolicy cac 阅读全文

posted @ 2025-12-30 23:45 FredGrit 阅读(21) 评论(0) 推荐(0)

WPF mvvm via Prism.Wpf,dependency injection via Prism.DryIOC

摘要：Install-Package Prism.Wpf Install-Package Prism.DryIOC //App.xaml <prism:PrismApplication x:Class="WpfApp46.App" xmlns="http://schemas.microsoft.com/w 阅读全文

posted @ 2025-12-23 22:08 FredGrit 阅读(22) 评论(0) 推荐(0)

WPF Datagrid, add new blank row via contextmenu command not perfect but can resolve the issue concisely

摘要：private void AddRowCommandExecuted(object? obj) { var dg = obj as DataGrid; if (dg != null) { if (dg.ItemsSource is IList list) { var itemType = list. 阅读全文

posted @ 2025-12-12 20:11 FredGrit 阅读(22) 评论(0) 推荐(0)

WPF populate BooksCollection via Dispatcher.InvokeAsync,DispatcherPriority.Background in mvvm

摘要：Install-Package Prism.Wpf; Install-Package Prism.DryIOC; using System.Configuration; using System.Data; using System.Windows; namespace WpfApp26 { /// 阅读全文

posted @ 2025-11-27 22:51 FredGrit 阅读(6) 评论(0) 推荐(0)

WPF Prism.Wpf implements mvvm,Prism.DryIOC implements IOC,IEventAggregator pub and sub message

摘要：Install-Package Prism.Wpf; Install-Package Prism.DryIOC; using System.Configuration; using System.Data; using System.Windows; namespace WpfApp42 { /// 阅读全文

posted @ 2025-11-19 21:50 FredGrit 阅读(14) 评论(0) 推荐(0)

WPF datagrid mvvm loaded 100M items,prism.wpf,prism.dryioc

摘要：Install-Package Prism.Wpf Install-Package Prism.DryIOC #region Interfaces public interface IIDService { int GetID(); } public class IDService : IIDSer 阅读全文

posted @ 2025-10-27 22:18 FredGrit 阅读(18) 评论(0) 推荐(0)

WPF loading data asynchronously and contextmenu save as json in mvvm

摘要：Install-Package Prism.Wpf; Install-Package Prism.DryIOC; Install-Package System.Text.Json; <prism:PrismApplication x:Class="WpfApp36.App" xmlns="http: 阅读全文

posted @ 2025-10-20 22:22 FredGrit 阅读(14) 评论(0) 推荐(0)

FredGrit

随笔分类 - wpf

公告