List Source Command
Applies to: 
Visual Studio 
Visual Studio for Mac
Note
This article applies to Visual Studio 2017. If you're looking for the latest Visual Studio documentation, see Visual Studio documentation. We recommend upgrading to the latest version of Visual Studio. Download it here
Displays the specified lines of source code.
Syntax
Debug.ListSource [/Count:number] [/Current] [/File:filename]
[/Line:number] [/ShowLineNumbers:yes|no]
Switches
/Count:number
Optional. Specifies the number of lines to display.
/Current
Optional. Shows the current line.
/File:filename
Optional. Path of the file to show. If no filename is specified, the command shows the source code for the line of the current statement.
/Line:number
Optional. Shows a specific line number.
/ShowLineNumbers:yes|no
Optional. Specifies whether to display line numbers.
Example
This example lists the source code from line 4 of the file Form1.vb, with line numbers visible.
Debug.ListSource /File:"C:\Visual Studio Projects\Form1.vb" /Line:4 /ShowLineNumbers:yes