pb115磁性窗口，仿千千静听自动磁性吸附窗口，一个主窗体，然后打开从属窗体互相吸引，移动主窗体，从属窗体也跟随移动-pb115 magnetic window, imitation TTPlayer automatically magnetically window, a main form, and then open a secondary form attracted to each other, move the main form, the secondary form following moving