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I'm starting a project in C++ and I want to create a graph of the CPU like found in the task manager.

Should I be looking for a graphing or display library? Should I investigate using OpenGL to display a real time graph?

I'm looking for the most elegant solution to get a graph display inside a window.

I looked around and could not even find out what the task manager uses to display it's CPU and memory graphs, and I don't want to jump in and start using and learning the wrong tool for the job.

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任务管理器之类的东西不会经常更新屏幕（大约一秒一次）。这意味着效率对它来说并不是一个大问题。GDI 可能是最简单的绘图方法，并且几乎可以肯定仍会提供完全足够的性能。

如果您想让您的生活尽可能轻松，您可能会考虑一个已经实现您想要/需要的库，例如CodeProject上的一个或另一个。

于 2013-08-07T05:34:45.527 回答