FredGrit

2024年3月12日

wpf datagrid row background color alternatively changed based on row index,AlternationConverter,AlternationCount

摘要： <Window x:Class="WpfApp7.MainWindow" xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/200 阅读全文

posted @ 2024-03-12 17:13 FredGrit 阅读(61) 评论(0) 推荐(0)

Two autoresetevent ready and set interchangebly,CountDownEvent decrement until to 0 to triiger the singal action

摘要： class TwoWaySingaling { static EventWaitHandle ready = new AutoResetEvent(false); static EventWaitHandle go = new AutoResetEvent(false); static readon 阅读全文

posted @ 2024-03-12 11:20 FredGrit 阅读(45) 评论(0) 推荐(0)

2024年3月11日

Mutex implements singleton

摘要： using System; using System.IO; using System.Runtime.CompilerServices; using System.Reflection; using System.Diagnostics; namespace ConsoleApp19 { inte 阅读全文

posted @ 2024-03-11 17:01 FredGrit 阅读(37) 评论(0) 推荐(0)

2024年3月9日

ManualResetEvent set waitone

摘要： static void ManualResetEventFalseReset() { var signal = new ManualResetEvent(false); int x = 10; PrintLine(); new Thread(() => { PrintLine(); x++; Thr 阅读全文

posted @ 2024-03-09 20:55 FredGrit 阅读(38) 评论(0) 推荐(0)

C# lock,monitor,enter,tryenter,lockTaken

摘要： class ThreadSafe { static readonly object _locker = new object(); static int _val1 = 1, _val2 = 1; static void Go() { lock(_locker) { if(_val2!=0) { C 阅读全文

posted @ 2024-03-09 17:28 FredGrit 阅读(85) 评论(0) 推荐(0)

Attribute GetCustomAttribute via method info of type

摘要： [AttributeUsage(AttributeTargets.Method)] public sealed class TestAttribute:Attribute { public int Repetitions; public string FailureMessage; public T 阅读全文

posted @ 2024-03-09 14:21 FredGrit 阅读(44) 评论(0) 推荐(0)

Memberinfo call generic method System.InvalidOperationException: 'Late bound operations cannot be performed on types or methods for which ContainsGenericParameters is true.'

摘要： static void Main(string[] args) { GenericMethod(); LogInfo(); } static void GenericMethod() { MethodInfo mi = typeof(Program).GetMethod("Echo"); Conso 阅读全文

posted @ 2024-03-09 12:33 FredGrit 阅读(190) 评论(0) 推荐(0)

2024年3月8日

C# implement late binding via type in runtime,dynamically call method via type.GetMethod() and parameters type array

摘要： static void RuntimeGetTypeLateBinding() { object s = "Hello"; PropertyInfo pi = s.GetType().GetProperty("Length"); Console.WriteLine((int)pi.GetValue( 阅读全文

posted @ 2024-03-08 19:40 FredGrit 阅读(38) 评论(0) 推荐(0)

Windows generate uuid

摘要： //Powershell [guid]::NewGuid() 95e37b33-5219-4fc9-a794-d6a30c9e175b //Command Prompt powershell [guid]::NewGuid() 阅读全文

posted @ 2024-03-08 16:10 FredGrit 阅读(60) 评论(0) 推荐(0)

2024年3月5日

Certificate Authority

摘要： CA stands for Certificate Authority 阅读全文

posted @ 2024-03-05 23:58 FredGrit 阅读(46) 评论(0) 推荐(0)

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