Hints on Firemonkey not displaying in Delphi Seattle


It is nice that Firemonkey got again the Hint property for controls, at least in Delphi Berlin and Seattle.
However, the implementation seems to be a bit flawed yet.

One weird issue is that the displaying of the Hint seems related to the form’s BorderIcons property. If the BorderIcons are left with the default values (Maximize, Minimize, SystemMenu), the hint shows. But if I change some of the border icons, the hints don’t show any more. I don’t see any logic for it, so it looks like a bug. I traced some code in the FMX.Forms unit, but couldn’t find any relation to the border icons. The hints in TriggerControlHint and other methods seem to be set correctly.

Has anyone had such an issue and have you solved it somehow?

There are other issue, like hints not working on a XE8 project converted to Seattle on Windows. It was mentioned in this question Firemonkey Hints don't work in Delphi Seattle, for a project converted from XE7. I fixed that by recreating the dproj file and it probably has something to do with the default manifests/themes.

Also hints for controls placed on a TLayout don’t show, because the layout doesn’t have the ShowHint property. Doesn’t sound very logical to me, but at least it can be overcome by setting each control’s ShowHint property manually.

The issue is reported on QC as RSP-13218

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