HiddenClass schema property has no effect on Property Grid getContent

[Emi1yZhang]

In OS+, we have several properties with HiddenClass from CoreCustomAttributes, they are used to tell UI components not to show it but we are still seeing it in property grid.

For example:

 <ECProperty propertyName="SurfaceTypeParkingLot" typeName="SurfaceType" category="LayoutParkingArea_ParkingGrading" displayLabel="Surface Type" description="Surface type or material for parking lot." >
  <ECCustomAttributes>
    <HiddenProperty xmlns="CoreCustomAttributes.01.00.03" />
    <Deprecated xmlns="CoreCustomAttributes.01.00.03">
      <Description>SurfaceTypeParkingLot is deprecated for LayoutParkingArea. </Description>
    </Deprecated>
  </ECCustomAttributes>
</ECProperty>

But still seeing Parking Island -> Type

I saw there was a similar issue raise last year: #940, but seems like the fix is only for tree hierarchy. getData -> getContent for property grid is still returning those hidden classes.

[grigasp]

The issue description is a bit confusing, please clarify.

• Issue title says HiddenClass, but your example has a property with HiddenProperty custom attribute, there's no HiddenClass there.
• The example property is SurfaceTypeParkingLot with "Surface Type" display label, but the one you have selected in the screenshot seems to be a different one - "Type".

Either way, I'll need:

• The iModel,
• JSON of the ruleset that your property data provider uses.