This documentation describes GLG C and C++ APIs, including the Standard, Intermediate and Extended APIs.

This version of documentation presents functions inside each API as a flat list, which is convenient when searching for a function description.

A separate version of documentation that groups functions inside each API into categories based on their usage is also available and is helpful for learning GLG API functionality. Examples of the categories include:

Load, Setup and Display

Resource and Tag Access

User Interaction

Chart Functions

Error Handling

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