用户可以清楚地看到线程是运行中、已暂停还是已停止。 异常处理:在Task.Run中添加了try-catch块,以捕获并处理可能出现的异常,确保应用的稳定性。 用户输入验证:在Timing方法中,我们检查用户输入的时间是否为负数,并给出相应的提示,确保输入的有效性。 最大运行次数:通过_maxRuns和_currentRuns字段限制线程的最大运行...
Task.Run(() => {try{while(!_tokenSource.Token.IsCancellationRequested && _currentRuns < _maxRuns) { _manualReset.WaitOne(); Thread.Sleep(200); _message =$"线程{Environment.CurrentManagedThreadId}正在运行第{++_currentRuns}次{Environment.NewLine}"; InvokeAsync(() => { StateHasChanged();...
_status = "运行中"; Task.Run(() => { try { while (!_tokenSource.Token.IsCancellationRequested && _currentRuns < _maxRuns) { _manualReset.WaitOne(); Thread.Sleep(200); _message = $"线程{Environment.CurrentManagedThreadId}正在运行第{++_currentRuns}次{Environment.NewLine}"; InvokeAsync(...
应用程序的根组件是 App.razor,你可以看到它是如何添加到 RootComponents 集合中的。 publicclassProgram{publicstaticasyncTaskMain(string[] args){varbuilder = WebAssemblyHostBuilder.CreateDefault(args);builder.RootComponents.Add<App>("#app");builder.Services.AddScoped(sp =>newHttpClient { BaseAddress =new...
@code{privateint currentCount=0;[Parameter]publicint IncrementAmount{get;set;}=1;[Inject]publicIJSRuntime JavaScript{get;set;}privatevoidIncrementCount(){currentCount+=IncrementAmount;}privateasyncTaskIncrementCountConfirmation(){if(awaitJavaScript.InvokeAsync<bool>("confirm","Do you want to increment...
2、Blazor中的StateHasChanged()与InvokeAsync(StateHasChanged) 3、Blazor StateHasChanged和子参数(`awaitTask.Run(StateHasChanged);`vs`await InvokeAsync(StateHasChanged);`) 4、在Blazor中,`awaitTask.Run(StateHasChanged)`和`await InvokeAsync(StateHasChanged)`之间有什么区别?
publicclassProgram{publicstaticasyncTaskMain(string[]args){varbuilder=WebAssemblyHostBuilder.CreateDefault(args);builder.RootComponents.Add<app>("#app");builder.Services.AddScoped(sp=>newHttpClient{BaseAddress=newUri(builder.HostEnvironment.BaseAddress)});awaitbuilder.Build().RunAsync();}} ...
Run time-consuming operation@code {privateasyncTaskDoWork(){ // Call a method that takes a long time to run and free the current thread var data = await timeConsumingOperation(); // Omitted for brevity }} 備註 如需在 C# 中建立非同步方法...
@inject IJSRuntime JS Measure Latency @if (latency is null) { Calculating... } else { @(latency.Value.TotalMilliseconds)ms } @code { private DateTime startTime; private TimeSpan? latency; protected override async Task OnAfterRenderAsync(bool firstRender) { if (firstRender) { startTime =...
protected virtual async Task Delete(string id)//删除数据 { } //获取路由信息,显示界面地址 protected override async TaskOnInitializedAsync() { if(string.IsNullOrEmpty(IndexUrl)) { IndexUrl = NavigationManager.Uri; var uri = new Uri(IndexUrl); ...