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Documentation Altium Designer 文档 ... ((PCB Query Functions))_AD PCB Query((Membership Checks))_AD

Query_Lang-PCBFunctions_MembershipChecks_InDifferentialPairClassInDifferentialPairClass_AD

Created: 九月 13, 2015 | Updated: 八月 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
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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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注

软件的功能取决于您购买的Altium产品级别。您可以比较Altium Designer软件订阅的各个级别中包含的功能，以及通过Altium 365平台提供的应用程序所能实现的功能。

如果您在软件中找不到某个讨论过的功能，请联系Altium销售团队以获取更多信息。