Delphi introduces very many constants, corresponding to WinAPI defines. The user has no idea which constants can be used in which place, because the argument types are almost DWORD - TCursor is a nice exception.

Can we agree to define range types or simple type alias for *all* such arguments, so that all related constants can be described together, in one single place? See the documentation on TCursor.

DoDi

I think this should be discussed on a per-API basis. Please give a concrete example.

I think this should be discussed on a per-API basis. Please give a concrete example.

I gave it already: TCursor.

The generated help links the cursor parameters to the TCursor documentation, for all procedures and methods. Now it's clear, to the user and documentation writer, where the related constants are (to be) documented.

DoDi

The problem with this concrete example is that you can easily (at least on Windows) add custom cursors. I don't know whether you have ever done that in Delphi (I haven't), but here is an example I quickly found: http://delphiforfun.org/programs/Delphi_Techniques/CustomCursors.htm

Note: I don't know whether Lazarus supports this.

Regards,
Sven