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Ver: Version: 17.1
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Documentation Altium Designer Documentation ... PCB Query Functions Membership Checks

InDifferentialPairClass

Created: September 13, 2015 | Updated: August 20, 2021 | Applies to versions: 15.1, 16.0, 16.1, 17.0, 17.1, 18.0, 18.1, 19.0, 19.1, 20.0, 20.1 and 20.2
Now reading version 17.1. For the latest, read: InDifferentialPairClass for version 21
Note

The features available depend on your Altium product access level. Compare features included in the various levels of Altium Designer Software Subscription and functionality delivered through applications provided by the Altium 365 platform.

If you don’t see a discussed feature in your software, contact Altium Sales to find out more.

Parent page: PCB Query Functions - Membership Checks

Summary Copy Link Copied

Returns all differential pair objects that are members of the specified Differential Pair Class.

Syntax Copy Link Copied

InDifferentialPairClass(ClassName : String) : Boolean/Boolean_String

As you define the Query expression, a pop-up list of all existing differential pairs, by name, is presented.

Example Usage Copy Link Copied

InDifferentialPairClass('TopSide')
InDifferentialPairClass('TopSide') = True
InDifferentialPairClass('TopSide') = 'True'
Returns all differential pair objects that are members of the TopSide Differential Pair Class.

Not InDifferentialPairClass('BottomSide')
InDifferentialPairClass('BottomSide') = False
InDifferentialPairClass('BottomSide') = 'False'
Returns all objects except differential pair objects that are members of the BottomSide Differential Pair Class.

Tips Copy Link Copied

  1. The single quote characters (') at the start and end of the ClassName string are mandatory.
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Note

The features available depend on your Altium product access level. Compare features included in the various levels of Altium Designer Software Subscription and functionality delivered through applications provided by the Altium 365 platform.

If you don’t see a discussed feature in your software, contact Altium Sales to find out more.