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在L392可修改注释格式 

Do you want the “select all”, “CommentBlock”, “UncommentBlock” function in source insight?
Here’re some tips:

1)       Import the macros by replacing the default utils.em with this download one.
l          Open “source insight”
l          Open base project (Menu project->open project and you'll find it)
l          Open “utils.em” file (in the right floating window) and replace its content with the attached one. 

2)       Enable the macros
l          Select Menu “Options” -> “Key assignment”
l          Scroll down the left list box to find the macros:         
                  Macro: CommentBlock         
                  Macro: SelectAll         
                  Macro: UncommentBlock
l          Assign New keys for the macros         
                 eg. “Ctrl+A” for “Select All”, “Ctrl+F11” for “CommentBlock” and “Shift+Ctrl+F11” for “UncommentBlock” 

3)       Try it.
Close the project and create a new file. Randomly enter something, press “Ctrl+A”, “Ctrl+F11”, “Ctrl+Shift+F11” to have a try.

By default, it will comment the block of lines with "//" at the beginning of each line, but if the file is a PERL file (.pl), it will use "#" instead.  And you can change it for different file types by modifying the macro definition file (utils.em).