External Development Guide

IDL provides ways to link to code written in other programming languages. See the available External Linking IDL routines and functions.

You can find more in-depth information in the External Development Guide found in the help\pdf directory of your IDL installation. This book covers topics such as:

Using SPAWN and Pipes
Using CALL_EXTERNAL
Remote Procedure Calls
IDL Types
Handling Keywords, Variable, File I/O, Timers, and Errors
Adding System Routines
Callable IDL
Adding External Widgets to IDL

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