caculat(a,b,'*'));Console.WriteLine("a/b={0}",caculat(a,b,'/'));}staticdoublecaculat(double a,double b,char operate){double end=0;switch(operate){case'+':end=a+b;break;case'-
基于《C#中switch选择语句配合下拉列表控件完成季节判断与窗体颜色变化》视频讲解源代码：设计界面：季节判断与窗体背景颜色变化季节判断：private void button1_Click(object sender, EventArgs e) { switch(comboBox1.SelectedIndex+1) { case 3: case 4: case 5: textBox1.Text = "春季";...
switch (operate) { case '+': end = a + b; break; case '-': end = a - b; break; case '*': end = a * b; break; case '/': end = a / b; break; default: Console.WriteLine("has error"); break; } return end; } } } a=699.086446174926 ,b=39.3562914055569 a+b=738.44273...
随笔分类 - csharp 1 2 3 4 下一页 Quartz 任务调度 摘要:Quartz.NET 是一个功能强大的开源任务调度库,适用于 .NET 平台,用于定时执行任务。它支持简单的定时任务和复杂的调度需求,广泛应用于定时发送邮件、备份数据库、生成报表等场景。主要组件包括调度器(Scheduler)、任务(Job)、触发器(Trigger)和任务详情(...
Represents a CSharpSyntaxVisitor<TResult> which descends an entire CSharpSyntaxNode graph and may replace or remove visited SyntaxNodes in depth-first order.
Multi-threaded events are difficult to write properly to handle all situations. If it is necessary, please read and follow the guidelines outlined in CSharp Coding Conventions Appendix: Multi-threaded events[L.7] ✔️ CONSIDER Handling out of range values for enumerationsDo not assume that ...
SwitchStatementSyntax.Accept 方法 參考 意見反應 定義 命名空間: Microsoft.CodeAnalysis.CSharp.Syntax 組件: Microsoft.CodeAnalysis.CSharp.dll 套件: Microsoft.CodeAnalysis.CSharp v4.7.0 多載 展開資料表 Accept(CSharpSyntaxVisitor) Accept<TResult>(CSharpSyntaxVisitor<TResult>) Accept(CSha...
}switch(netEvent.Type){caseEventType.None:break;caseEventType.Connect:Console.WriteLine("Client connected to server");break;caseEventType.Disconnect:Console.WriteLine("Client disconnected from server");break;caseEventType.Timeout:Console.WriteLine("Client connection timeout");break;caseEventType.Receive...
Assembly: Microsoft.CodeAnalysis.CSharp.dll Package: Microsoft.CodeAnalysis.CSharp v4.7.0 Source: Syntax.xml.Main.Generated.cs Called when the visitor visits a SwitchSectionSyntax node. C# コピー public virtual TResult? VisitSwitchSection (Microsoft.CodeAnalysis.CSharp.Syntax.SwitchSec...
var reData = MessagePackSerializer.Deserialize<IUnionSample>(bin); // use type-switch of C# 7.0 switch (reData) { case FooClass x: Console.WriteLine(x.XYZ); break; case BarClass x: Console.WriteLine(x.OPQ); break; default: break; } C# 7.0 type-switch is best match for Union. Union...