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This command links to the parent PGC (the PGC which previously links to the current PGC containing this command) within the same domain and optionally highlights a specified menu button. A button value of 0 indicates no highlight. PGCs within a domain are numbered from 1. In the title domain, each PGC is mapped to a title number and can be accessed from the VMG or another VTS or VTSM domain via the entry PGC of the specified title. Each title has only one entry PGC and only this PGC can be accessed directly. To access other (non-entry) PGCs in the title from a different domain, virtual commands must be present in the precommand section of the entry PGC to route access requests to other PGCs in the same title.

The DVD specifications support a maximum of 999 PGCs per VTS and up to 36 highlight buttons per display menu. For practical purposes, most authoring packages limit a VTS to 256 PGCs or fewer.

LinkGoUpPGC can connect two arbitrary PGCs together so that when one PGC completes playing, the other PGC begins playing automatically. The PGC data structure has a GoUpPGC field to define any PGC in the video title set domain as the GoUp PGC. This can be used to take advantage of the functions built into the DVD remote control. The Return button on a DVD player's remote control directs playback to the GoUp PGC that is connected to the current PGC via the GoUpPGC field.

Cells having cell commands are non-seamless by default. LinkGoUpPGC can be present only in cell or button commands. LinkGoUpPGC cannot be present in the First-Play domain.

Link to calling PGC in the same domain
LinkGoUpPGC   Highlight button  



DVD Command Hex Encoding
LinkGoUpPGC,button 0 20 01 00 00 00 00 00 0C
This command can be combined with the for conditional branching. When combining, this command is executed only if the result of the comparison is true.

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