To use an external editor specify the full path to the editor application and then, in the field below, any command line parameters to be passed to the editor when it is launched. To pass the file name and line number in the command line use the variables $(FILEPATH) and $(LINENUM).
Common Editor Defaults - contains the preset settings to quickly set the command line parameters for a few well known editors. To use these defaults simply select the editor from the drop down list.