Release 10.1A: OpenEdge Development:
Progress 4GL Reference

> ## FIRST-BUFFER attribute

> Returns the buffer handle of the first table that has a buffer object. The table may be either a temp-table or a connected database, in that order. If no temp-table or database buffers exist in the session, it returns the Unknown value (`?`).

> Data type: WIDGET-HANDLE

> Access: Readable

> Applies to: SESSION system handle

> There is no LAST-BUFFER attribute associated with the SESSION handle since the chain is one-directional.

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