This file is part of a Developer Studio project and contains details of the project’s source paths and propaths. 
<?xml version="1.0" encoding="UTF-8" standalone="no"?>
<propath version="12.3" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="schema/propath.xsd">
    <propathentry env="all" kind="src" path="@{ROOT}\src" platform="All"/>
    <propathentry env="gui" kind="con" path="com.openedge.pdt.text.GUI_LIBRARIES" platform="All"/> 

    <propathentry env="tty" kind="con" path="com.openedge.pdt.text.TTY_LIBRARIES" platform="All"/> 
    <propathentry env="all" kind="con" path="com.openedge.pdt.text.DLC_PATHS" platform="All"/> 

    <propathentry env="all" kind="lib" path="@{ROOT}\lib\sports2000.pl" platform="All"/> 

</propath>
Note: Refer to PROPATH properties page topic for more information about the propath file and its attributes.

The propath entries with kind=src denotes the source path for compilation. A compile task is created for each of these source entries. For more information, see Tasks.

The default location of this file is <project-root-location>/.propath. Though this file you can configure, if required, a custom propath file path by setting the property CUSTOM_PROPATH_FILE. To configure this property, check the Configure a property section in the Prerequisites topic.