FredGrit

2024年4月7日

WPF WebClient EAP async await,Task.Delay, await Task.WhenAny(params Task[] tasks) will return the first finished task

摘要： <Window x:Class="WpfApp40.MainWindow" xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/20 阅读全文

posted @ 2024-04-07 20:57 FredGrit 阅读(5) 评论(0) 推荐(0) 编辑

WPF datagrid mvvm multi select via customize datagrid

摘要： using System; using System.Collections; using System.Collections.Generic; using System.Linq; using System.Text; using System.Threading.Tasks; using Sy 阅读全文

posted @ 2024-04-07 16:31 FredGrit 阅读(5) 评论(0) 推荐(0) 编辑

Wpf datagrid mvvm multi select

摘要： //xaml <Window x:Class="WpfApp39.MainWindow" xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/w 阅读全文

posted @ 2024-04-07 15:54 FredGrit 阅读(8) 评论(0) 推荐(0) 编辑

Wpf Cast SelectedItemCollection Error CS0122 'SelectedItemCollection' is inaccessible due to its protection level,Convert System.Collections.IList to List

摘要： //the wrong demo var temp = objs as SelectedItemCollection; which will reported error, Error CS0122 'SelectedItemCollection' is inaccessible due to it 阅读全文

posted @ 2024-04-07 14:06 FredGrit 阅读(14) 评论(0) 推荐(0) 编辑

WPF DispatcherTimer update periodically

摘要： <Window x:Class="WpfApp38.MainWindow" xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/20 阅读全文

posted @ 2024-04-07 01:22 FredGrit 阅读(5) 评论(0) 推荐(0) 编辑

Wpf BackgroundWorker WorkerReportsProgress ProgressChanged

摘要： <Window x:Class="WpfApp37.MainWindow" xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/20 阅读全文

posted @ 2024-04-07 00:53 FredGrit 阅读(7) 评论(0) 推荐(0) 编辑

2024年4月6日

Wpf BackgroundWorker WorkerSupportsCancellation CancellationPending

摘要： //xaml <Window x:Class="WpfApp37.MainWindow" xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/w 阅读全文

posted @ 2024-04-06 22:03 FredGrit 阅读(11) 评论(0) 推荐(0) 编辑

Wpf BackgroundWorker DoWork RunWorkerCompleted RunWorkerAsync

摘要： //xaml <Window x:Class="WpfApp37.MainWindow" xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/w 阅读全文

posted @ 2024-04-06 21:51 FredGrit 阅读(15) 评论(0) 推荐(0) 编辑

CancellationTokenSource Cancel IsCancellationRequested

摘要： //xaml <Window x:Class="WpfApp37.MainWindow" xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/w 阅读全文

posted @ 2024-04-06 21:34 FredGrit 阅读(2) 评论(0) 推荐(0) 编辑

2024年4月3日

Wpf Combobox display multiple fields columns properties

摘要： <ComboBox Grid.Row="0" x:Name="cbx" VirtualizingPanel.VirtualizationMode="Recycling" HorizontalAlignment="Stretch" VerticalContentAlignment="Center" F 阅读全文

posted @ 2024-04-03 14:36 FredGrit 阅读(15) 评论(0) 推荐(0) 编辑

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