组件(.razor) 示例 (InvokeVoidAsync)TickerChanged 调用以下组件中的 handleTickerChanged1 方法。CallJs2.razor: razor 复制 @page "/call-js-2" @inject IJSRuntime JS <PageTitle>Call JS 2</PageTitle> Call JS Example 2 Set Stock @if (stockSymbol is not null) { @stockSymbol price: @pri...
(); } public async Task<string> CheckPermissionsCamera() { //检查权限的当前状态 PermissionStatus status = await Permissions.CheckStatusAsync<Permissions.Camera>(); //请求权限 if (status != PermissionStatus.Granted) { status = await Permissions.RequestAsync<Permissions.Camera>(); } return status....
window.exampleJsFunctions={showPrompt:function(text){returnprompt(text,'Type your name here');},displayWelcome:function(welcomeMessage){document.getElementById('welcome').innerText=welcomeMessage;},returnArrayAsyncJs:function(){DotNet.invokeMethodAsync('BlazorSample','ReturnArrayAsync').then(data=>{dat...
@page"/counter"@injectIJSRuntime JSCounter<pid="currentCount">Current count:@currentCountHandleClick(mouseEvent, "Hello")'>Click me@code {privateintcurrentCount =0;privateasyncTaskHandleClick(MouseEventArgs e,stringmsg){ if (e.CtrlKey) // Ctrl key pressed as well...
Call .NET Example From JavaScriptTrigger .NET static methodwindow.returnArrayAsync=()=>{ DotNet.invokeMethodAsync('EDT.BlazorServer.App','ReturnArrayAsync') .then(data=>{ console.log(data); }); }; Step2. 添加.NET方法并标注 JSInvokable [JSInvokable...
Call.NETExample From JavaScript-Sample2Name:Trigger.NETinstance method@resultwindow.sayHello=(dotNetHelper)=>{returndotNetHelper.invokeMethodAsync('GetHelloMessage');}; Step2. 添加.NET方法并标注 JSInvokable,还需要声明一个 DotNetObjectReference对象便于进行资源释放,以免引起内存泄露的问题; 代码语言:javascrip...
Trigger .NET static method <>window.returnArrayAsync ==>{DotNet.invokeMethodAsync('EDT.BlazorServer.App','ReturnArrayAsync').then(data=>{console.log(data);});};</> Step2. 添加.NET方法并标注 JSInvokable [JSInvokable]publicstaticTask<int[]> ReturnArrayAsync{return...
一个按钮【快快点我】,点击@onclick="IncrementCount"使变量currentCount自增,同时页面显示此变量值,相信你能看懂。 2.6 Blazor与WPF窗体关联 这是两者产生关系的关键一步,打开窗体MainWindow.xaml,修改如下: 如上代码,要点如下: 添加上面引入的Nuget包Microsoft.AspNetCore.Components.WebView.Wpf的命名空间,命名为b...
在SetParametersAsync方法内部,我们调用了我们自定义的Render方法。 其他的代码是从之前的HelloWorld组件中拷贝过来的 这里并没有OnInitialized,OnAfterRender,StateHasChanged...这些方法,这些钩子函数是ComponentBase的一部分。 (这一段作者写的太凌乱不想翻译了。。)TheRendermethod callsRenderHandle.Renderon theRender...
Trigger .NET static method ReturnArrayAsync @code { [JSInvokable] public static Task<int[]> ReturnArrayAsync() { return Task.FromResult(new int[] { 1, 2, 3 }); } } 然后在 JavaScript 代码中调用 C# 代码: window.exampleJsFunctions = { ... returnArrayAsyncJs: function () { DotNet...