11 2019 档案

C# detect latest .net framework installed on PC
摘要：static void GetNetVersionDemo() { using (RegistryKey ndpKey = RegistryKey.OpenBaseKey(RegistryHive.LocalMachine, RegistryView.Registry32).OpenSubKey(@"SOFTWARE\Microsoft\NET Fr... 阅读全文
posted @ 2019-11-28 22:35 FredGrit 阅读(303) 评论(0) 推荐(0) 编辑
C# show Environment property info name and value retrieve, Maximize the Console Window based on window resolution
摘要：using System.Reflection; static void ShowEnvironmentInfoDemo() { Type type = typeof(Environment); PropertyInfo[] pis = type.GetProperties(); if (pis != nu... 阅读全文
posted @ 2019-11-27 22:38 FredGrit 阅读(243) 评论(0) 推荐(0) 编辑
Wpf Dispatcher.BeginInvoke((Action)delegate{}));
摘要：private void ClickCmdExecuted(object obj) { ContentOb = new ObservableCollection<string>(); Task.Run(() => { while (!cts.IsCancellationRequested) { Co 阅读全文
posted @ 2019-11-27 22:21 FredGrit 阅读(972) 评论(0) 推荐(0) 编辑
C# socket
摘要：using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.Threading.Tasks; using System.Net.Sockets; using System.IO; using System.Net; namespace ConsoleApp3... 阅读全文
posted @ 2019-11-25 13:21 FredGrit 阅读(445) 评论(0) 推荐(0) 编辑
WPF customize DelegateCommand
摘要：using System; using System.Collections.Generic; using System.ComponentModel; using System.Linq; using System.Text; using System.Threading.Tasks; using System.Windows; namespace WpfApp55.ViewModel { ... 阅读全文
posted @ 2019-11-24 17:02 FredGrit 阅读(472) 评论(0) 推荐(0) 编辑
C# loop executed one by one wait the former completed
摘要：using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.Threading; using System.Threading.Tasks; namespace ConsoleApp393 { class Program { ... 阅读全文
posted @ 2019-11-24 15:51 FredGrit 阅读(263) 评论(0) 推荐(0) 编辑
C# webclient progresschanged downlodfileCompleted
摘要：using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.Threading.Tasks; using System.Diagnostics; using System.Net; using System.IO; using System.Windows.Fo 阅读全文
posted @ 2019-11-23 21:26 FredGrit 阅读(228) 评论(0) 推荐(0) 编辑
event demo
摘要：using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.Threading.Tasks; using System.Diagnostics; namespace ConsoleApp392 { class Program { static void Main 阅读全文
posted @ 2019-11-23 20:19 FredGrit 阅读(216) 评论(0) 推荐(0) 编辑
In .net 4.8,calculate the time cost of serialization in BinaryFormatter,NewtonSoft.json,and System.Text.Json.JsonSerializer.Serialize
摘要：I had validated in .net 4.8 NewtonSoft.Json's speed rank 1st,System.Text.Json.JsonSerializer.Serialize 2nd,and BinaryFormatter 3rd. 阅读全文
posted @ 2019-11-23 19:01 FredGrit 阅读(345) 评论(0) 推荐(0) 编辑
C# Serialization performance in System.Runtime.Serialization.Formatters.Binary.BinaryFormatter,Newtonsoft.Json.JsonConvert and System.Text.Json.JsonSerializer.Serialize
摘要：using System;using System.Collections.Generic;using System.Collections;using System.IO;using System.Runtime.Serialization.Formatters.Binary;using Syst 阅读全文
posted @ 2019-11-22 12:03 FredGrit 阅读(400) 评论(0) 推荐(0) 编辑
C# calculate disk size
摘要：static void Main(string[] args) { string dir = @"C:\"; string[] dirs=Directory.GetDirectories(dir); long totalSize = 0; if(dirs!=null && di... 阅读全文
posted @ 2019-11-21 20:16 FredGrit 阅读(296) 评论(0) 推荐(0) 编辑
C# rename files
摘要：static void RenameFiles() { string sourceDir = @"D:\ll"; string[] allFiles = Directory.GetFiles(sourceDir, "*.mp3", SearchOption.AllDirectories); if(allFi... 阅读全文
posted @ 2019-11-21 13:43 FredGrit 阅读(209) 评论(0) 推荐(0) 编辑
C# copy files from source directory to destination file and rename repeated files and does not override
摘要：static void CopyFiles() { string sourceDir = @"D:\C\ll"; string destDir = @"D:\LL"; if (!Directory.Exists(destDir)) { Directo... 阅读全文
posted @ 2019-11-21 12:12 FredGrit 阅读(291) 评论(0) 推荐(0) 编辑
C# event
摘要：class Program { static void Main(string[] args) { Thermostat thermostat = new Thermostat(); Heater heater = new Heater(60); Cooler cooler = ne... 阅读全文
posted @ 2019-11-20 20:02 FredGrit 阅读(163) 评论(0) 推荐(0) 编辑
C# redis StackExchange
摘要：1.Install-Package StackExchange -v 2.0.601 2.using StackExchange.Redis; 3. 阅读全文
posted @ 2019-11-19 21:32 FredGrit 阅读(214) 评论(0) 推荐(0) 编辑
C# recording audio based on audio in Console
摘要：1. Install-package naudio -v 1.9.0 2. using NAudio.Wave; 3. 阅读全文
posted @ 2019-11-19 18:43 FredGrit 阅读(219) 评论(0) 推荐(0) 编辑
C# delegate multicast single delegate
摘要：using System; using System.Collections.Generic; using System.Linq; using System.Runtime.Serialization; using System.Text; using System.Threading.Tasks; namespace ConsoleApp386 { class Program { static 阅读全文
posted @ 2019-11-19 11:29 FredGrit 阅读(270) 评论(0) 推荐(0) 编辑
C# WebClient,HttpClient,WebRequest
摘要：static void Main(string[] args) { WebRequestDemoAsync(); Console.ReadLine(); } static async void WebRequestDemoAsync() { string url = "https://docs.mi 阅读全文
posted @ 2019-11-12 17:18 FredGrit 阅读(265) 评论(0) 推荐(0) 编辑
C# Mutex to make sure only one unique application instance started
摘要：static void MutexDemo2() { string assName = Assembly.GetEntryAssembly().FullName; bool createdNew; using (var mutex = new Mutex(false, assName, out createdNew)) { if (!createdNew) { Console.WriteLine( 阅读全文
posted @ 2019-11-11 13:33 FredGrit 阅读(263) 评论(0) 推荐(0) 编辑
C# download big file
摘要：I had validated this.To download SSMS which is more than 500M+ static void Main(string[] args) { string url = "https://go.microsoft.com/fwlink/?linkid=2108895&amp;clcid=0x409"; DownloadBigFile(new Uri 阅读全文
posted @ 2019-11-10 14:02 FredGrit 阅读(432) 评论(0) 推荐(0) 编辑
C# Task ContinueWith
摘要：static void Main(string[] args) { Task firstTask = Task.Run(() => { PrintPlus(); }); Task secondTask = firstTask.C... 阅读全文
posted @ 2019-11-09 21:09 FredGrit 阅读(1108) 评论(0) 推荐(0) 编辑
C# MediaPlayer
摘要：1 using System.Windows.Media; 2 using Newtonsoft.Json; 3 using System.ComponentModel; 4 5 namespace ConsoleApp378 6 { 7 class Program:INotifyPropertyChanged 8 { 9 s... 阅读全文
posted @ 2019-11-02 20:58 FredGrit 阅读(411) 评论(0) 推荐(0) 编辑

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