class in UnityEngine.Experimental.UIElements
切换到手册用于管理鼠标事件捕获的类。
| CaptureMouse | Assigns an event handler to capture mouse events. |
| HasMouseCapture | 检查事件处理程序是否正在捕获鼠标。 |
| IsMouseCaptured | Checks if there is a handler capturing the mouse. |
| ReleaseMouse | 停止事件处理程序捕获鼠标。 |