2024年4月7日
WPF display image and can scroll both in horizontally and vertically in the ScrollViewer
摘要： //xaml <Window x:Class="WpfApp44.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 23:56 FredGrit 阅读(7) 评论(0) 推荐(0) 编辑
WPF GroupBox Expander ExpandDirection="Down" Expander.HeaderTemplate Expander.ContentTemplate
摘要： //xaml <Window x:Class="WpfApp43.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 23:44 FredGrit 阅读(8) 评论(0) 推荐(0) 编辑
WPF instantiate class instance as resource
摘要： //xaml <Window x:Class="WpfApp42.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 23:27 FredGrit 阅读(1) 评论(0) 推荐(0) 编辑
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