Altium Designer 文档
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PCB Query((Fields))_AD
PCB Query Fields((S to Z))_AD
Query_Lang-PCBFunctions_Fields_StartLayerStartLayer_AD
Created: 八月 02, 2022 | Updated: 八月 02, 2022
| Applies to version: 21
This document is no longer available beyond version 21. Information can now be found here: StartLayer for version 25
Parent page: PCB Query Functions - Fields
Summary
Returns all via objects whose left-hand layer in their Drill Pair property complies with the Query.
Syntax
StartLayer = Layer_String
Example Usage
StartLayer = 'Top Layer'
Returns all via objects whose Drill Pair property has a left-hand entry of Top Layer.
StartLayer <> 'Signal Layer 2'
Returns all objects except for via objects whose Drill Pair property has a left-hand entry of Signal Layer 2.
IsVia && StartLayer <> 'Internal Plane 1'
Returns all Via objects except those whose Drill Pair property has a left-hand entry of Internal Plane 1.
Tips
- The single quote characters (') at the start and end of
Layer_Stringare mandatory. - The Drill Pair property is only defined for via objects.