vc++2010 能不能设置显示行数？？？？
rt 代码一多 找行数就难了
[解决办法]
To display line numbers in code
On the menu bar, choose Tools, Options.
In the categories list on the left side of the Options window, expand the Text Editor node.
Perform one of the following steps:
To set this option globally, expand the All Languages subfolder.
Note Note
Depending on your language or setttings, you may also need to select the Show All Settings check box in the Options window to reveal the All Languages subfolder that this procedure mentions.
To set this option for a specific language such as Basic, C#, F#, open the subfolder for that language.
Choose the General option.
In the Display section, choose Line numbers.
MSDN上面有：
http://msdn.microsoft.com/en-us/library/ms165340.aspx
