scroll lock on laptop

The way the Win7 system laptop locks the screen is as follows: Method one: On your own Win7 system computer desktop, select Click to Start menu options, click the menu options after the column we find the Control Panel tool options, click Open, Pop-up Control Panel window options, select the keyboard icon options inside, click on the open after we select the hardware settings, the option to close can be selected. Method Two: There is anothe

Do you know what the scroll Lock key is for on the keyboard? Most people may not know the key, but I'm afraid it only serves to light up a lamp on the keyboard. However, since the original dos, it is estimated that this key is used for Rolling locking. What is the specific issue? See the following: [Original article link] http://www.straightdope.com/mailbag/mscrolllock.htmlDear straight dope: Why does m

Original address: http://blog.csdn.net/wcs542882916Main points of attention:Attrs.xml under the 1.values folderThe custom attributes required for the control are defined in this fileUpdownscrollview.java under the 2.src folderThe implementation principle is expressed in this file using annotations.Updown_scroll_layout.xml under the 3.layout folderThis file is the layout of the custom controlDoes not customize the control's reference post http://blog.csdn.net/xiaanming/article/details/10298163The