Global Layer Selectability Mask

Synopsis

&LYRSEL(layer number[,IFERR,label:])

Description

Allows you to verify/change the global selectability of a layer.

If you specify the work layer, the system ignores it. The work layer must always be selectable.

NOTE: Setting a layer selectable automatically sets it visible.

Characteristics

Read/Write - Number - [1,2]

Constant Values

1 = &YES (layer is selectable)
2 = &NO (layer is not selectable)

Parameters

Parameter

Description

layer number

The layer number of which you wish to change or read the global selectability.

IFERR,label:

Specifies a label to which program execution jumps if an error occurs. Possible errors include: invalid layer number; value not within valid limits.

&YES

GPA constant indicating that the specified layer is to be made selectable.

&NO

GPA constant indicating that the specified layer is to be made not selectable.

Parameter	Description
layer number	The layer number of which you wish to change or read the global selectability.
IFERR,label:	Specifies a label to which program execution jumps if an error occurs. Possible errors include: invalid layer number; value not within valid limits.
&YES	GPA constant indicating that the specified layer is to be made selectable.
&NO	GPA constant indicating that the specified layer is to be made not selectable.