实时获取windows下的鼠标.此代码在source code网站找到的c#源代码，但是有bug.并合成到你的，修正了一些 GDI 句柄的bug. -Get real-time mouse under windows. C# source code in the source code for this website to find, but there is bug. And synthesized to you, GDI handles fixed some bug.