## Virtual Device Driver Reference for OS/2

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### VDHCloseVDD - Purpose

Context Issues: This function can be called only in the DOS session-task context.

DOS Session Terminations: If a virtual device driver has a VDD/VDD session for a particular DOS session, that session is closed when the DOS session terminates.

Notes: This service is used to close the type of VDD/VDD connections, which are temporary or are on a per-DOS session basis.