====== SetVDL ======

Sets a screen to display a specific VDL.

==== Synopsis ====

''%%Err SetVDL (Item screenItem,Item vdlItem)%%''

==== Description ====

This call associates the VDL specified by the vdlItem argument with the screen specified by the screenItem argument.

Every screen has an associated VDL. After ''%%SetVDL()%%'', when ''%%DisplayScreen()%%'' is called referring to the specified screen the new VDL is used to create the display.

==== Arguments ====

  * **screenItem** Item number of a screen structure.

  * **vdlItem** Item number of the associated VDL.

==== Return Value ====

This call returns the item number of the current VDL (the last one submitted) or an error code (a negative value) if an error occurs.

==== Implementation ====

Folio call implemented in Graphics folio V20.

==== Associated Files ====

graphics.h, graphics.lib

==== See Also ====

''%%DisplayScreen%%''(), [[:documentation:development:opera:pf25:ppgfldr:ggsfldr:gprfldr:01gpr070#xref12966|SubmitVDL]](), [[:documentation:development:opera:pf25:ppgfldr:ggsfldr:gprfldr:01gpr046#xref39861|ModifyVDL]](), [[:documentation:development:opera:pf25:ppgfldr:ggsfldr:gprfldr:01gpr014#xref24670|DeleteVDL]]()