1.在winform里实现 鼠标拖动 chart上的数据节点，让节点跟着鼠标移动 并动态显示数据曲线； ...

In my great big mess of "I've never done much winforms before, so let's do something difficult" code, I've run into a problem. I have several hundred user controls I need to load up at runtime, and it ...