c# - Sending Arguments To Background Worker? - Stack Overflow
网页2011年1月26日 · You can use the DoWorkEventArgs.Argument property. A full example (even using an int argument) can be found on Microsoft's site: How to: Run an Operation in the Background
DoWorkEventArgs Class (System.ComponentModel) | Microsoft …
网页The following code example demonstrates how to use the DoWorkEventArgs class to handle the DoWork event. For a full code listing, see How to: Run an Operation in the Background. // Do not access the form's BackgroundWorker reference directly.
DoWorkEventArgs 类 (System.ComponentModel) | Microsoft Learn
网页下面的代码示例演示如何使用 DoWorkEventArgs 类来处理 DoWork 事件。 有关完整代码列表，请参阅 如何：在后台运行操作。 private void backgroundWorker1_DoWork(object sender, DoWorkEventArgs e) { // Do not access the …
BackgroundWorker与DoWorkEventArgs详解 - 退退退退下吧 - 博 …
网页2023年5月29日 · private void backgroundWorker1_DoWork(object sender, DoWorkEventArgs e)：定义了一个名为 backgroundWorker1_DoWork 的方法，该方法是 BackgroundWorker 的 DoWork 事件的处理方法。DoWork 事件在后台执行长时间运行的操作。 sender：事件的发送者，通常是 BackgroundWorker 对象本身。
【c#】关于 BackGroundWorker 的用法讲解（附实例） - 知乎
网页在使用 BackgroundWorker 的时候，首先我们要做的是给 background worker 实例的三个属性添加相应的 handler，以及指明这三个 handler 被执行时运行的真正函数。. 所谓 handler 就是一个委托，满足这个委托形式的所有函数都可以被调用，由于 handler 自身的规定，真正 …
BackgroundWorker.DoWork 事件 (System.ComponentModel)
网页BackgroundWorker worker = sender as BackgroundWorker; // Assign the result of the computation // to the Result property of the DoWorkEventArgs // object. This is will be available to the // RunWorkerCompleted eventhandler.
Basic BackgroundWorker usage with parameters - Stack Overflow
网页2011年4月26日 · You can pass any object into the object argument of the RunWorkerAsync call, and then retrieve the arguments from within the DoWork event. You can also pass arguments from the DoWork event to the RunWorkerCompleted event using the Result variable in the DoWorkEventArgs.
C# BackgroundWorker 详解 - sparkdev - 博客园
网页2016年9月25日 · 用法概述. 在窗体上构建一个BackgroundWorker 实例，在它的 DoWork事件处理函数中添加耗时的运算，然后调用它的RunWorkerAsync方法就可以了。. private BackgroundWorker _demoBGWorker = new BackgroundWorker(); _demoBGWorker.DoWork += BGWorker_DoWork; _demoBGWorker.RunWorkerAsync(); private void BGWorker_DoWork ...
C# BackgroundWorker.CancelAsync () vs DoWorkEventArgs.Cancel
网页2019年10月31日 · BackgroundWorker.CancelAsync() will set the value of BackgroundWorker.CancellationPending to true, so the DoEvent code can check it. DoWorkEventArgs.Cancel is there to tell RunWorkerCompleted Event that the process was Canceled. You are not supposed to use the result of …
Guide to using BackgroundWorker in C# : Nerd Paradise
网页The event args (DoWorkEventArgs) has two properties that are used to pass parameters to the background thread and send results back to the main thread. Argument - an object. This is the argument you pass in when you start the work.