disable toolbar 有上角的close XX, 很实用-disable toolbar is close to the top corner XX, very practical

让窗口为整个屏幕的四分之一并显示在右上角 工具条上新增一个按钮，将光标变成圆圈-So that the window for the whole quarter of the screen and displayed in the upper right corner of the toolbar to add a button, the cursor becomes a circle

trayicon关于右下角图标，相应鼠标离开的事例，对研究做自己的任务栏图标很有帮助-TrayIcon on the lower right corner of the icon, the mouse left the case, do their own research on the taskbar icon is very helpful