将控制台应用程序转换为使用BackgroundWorker的GUI [英] Converting a Console Application into a GUI that uses a BackgroundWorker

问题描述

我将控制台应用程序转换为Windows窗体应用程序和DLL。 Windows Forms应用程序使用BackgroundWorker来让DLL执行计算繁重的任务。

I am converting a console application into a Windows Forms Application and a DLL. The Windows Forms Application uses a BackgroundWorker to have the DLL perform a computationally heavy task.

在控制台应用程序中，DLL仍然有 Console.WriteLine（）语句。我想将以前打印到控制台的内容指向Windows窗体中的 TextBox 。理想情况下，我想在表单初始化期间从一个流挂钩到一个文本框，并完成它。我担心这可能不是线程安全的BackgroundWorker。

Left over from the console application, the DLL is still littered with Console.WriteLine() statements. I would like to direct what used to be printed to the console into a TextBox in the Windows Form. Ideally, I would like to hook a stream from the DLL up to the text box during form initialization and be done with it. I am concerned that this might not be thread safe with the BackgroundWorker.

我发现的最好的方法是更改​​ Console.WriteLine / code>到 Trace.WriteLine（），然后按照跟踪侦听器写入文本框（WPF应用程序），但我仍然对BackgroundWorker感到担忧，热衷于将文本附加到现有字符串（有很多文本和IMO字符串并不意味/优化为有大量文本串接在它们上）。

The best approach I have found is to change Console.WriteLine() to Trace.WriteLine() in the DLL and then follow the approach at Trace listener to write to a text box (WPF application) but I still have concerns with the BackgroundWorker and am not too keen on appending text to an existing string (there is a lot of text and IMO strings aren't meant/optimized to have lots of text concatenated on them).

推荐答案

以下博客帖子可能是您要查找的：

The following blog post may be what you're looking for:

http://saezndaree.wordpress.com/2009/03/29/how-to-redirect-the-consoles -output-to-a-textbox-in-c /

我想它确切地描述了你要的。基本上，它使用 Console.SetOut 将控制台输出重定向到您自己的流编写器。请阅读帖子下面的注释，了解有关处理主题问题的其他信息。

I think it describes exactly what you're asking for. Basically it uses Console.SetOut to redirect the console output to a stream writer of your own. Read the comments below the post for some additional information on handling thread issues.

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