Altium Designer 文档
...
PCB Query((Fields))_AD
PCB Query Fields((S to Z))_AD
Query_Lang-PCBFunctions_Fields_StartLayerStartLayer_AD
Created: 十月 31, 2018 | Updated: 六月 08, 2021
| Applies to versions: 18.0, 18.1, 19.0, 19.1, 20.0, 20.1 and 20.2
您正在阅读的是 20. 版本。关于最新版本，请前往 Query_Lang-PCBFunctions_Fields_StartLayer((StartLayer))_AD 阅读 21 版本
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.