Ra3不支持窗口画,即使强制窗口画后并且锁屏,也不能解决地图滚动问题.程序通过使用虚拟按键实现判定鼠标在边缘时自动按键盘实现滚屏.-Ra3 does not support the window painting after painting, and even force the lock screen window, scroll the map can not solve the problem. Procedures to achieve through the use of a virtual button is automatically determined by the mouse at the edge of the keyboard to achieve scrolling.