This is a simple tool for drawing windows, which includes four separate commands: glass, glass window, window frame, and window pane. When actually drawing windows, we can combine these four commands to operate.
Frame（Frame）
激活命令后通过定位左上角、右上角、右下角来绘制带窗框的矩形玻璃窗。
Trim（Trim）
After activating the command, draw a rectangular window frame by positioning the top left corner, top right corner, and bottom right corner.
Mullions（Mullions）
After activating the command, draw a rectangular pane by positioning the top left corner, top right corner, and bottom right corner.
Glass（Glass）
After activating the command, draw rectangular glass by positioning the top left corner, top right corner, and bottom right corner.
简单的画窗工具