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In OMNeT++, simulation models are parameterized and configured for execution using
configuration files with the .ini extension, called INI files. Ini files are text
files, which can be edited using any text editor. However, OMNeT++ 4.x introduces a
tool expressly designed for editing INI files. The INI File Editor is part of the
OMNeT++ IDE and is very effective in assisting the user to author INI files. It is a very useful feature
because it has detailed knowledge of the simulation model, the INI file syntax, and
the available configuration options.
The syntax and features of INI files have changed since OMNeT++ 3.x. These changes are summarized in the "Configuring Simulations" chapter of the "OMNeT++ 4.x. User Manual".
The INI File Editor is a dual-mode editor. The configuration can be edited using forms and dialogs, or as plain text. Forms are organized around topics like general setup, Cmdenv, Tkenv, output files, extensions and so on. The text editor provides syntax highlighting and auto completion. Several views can display information, which is useful when editing INI files. For example you can see the errors in the current INI file or all the available module parameters in one view. You can easily navigate from the module parameters to their declaration in the NED file.