What is the meaning of the square bracket in here?

[stacker_liew 5]

Code Here

  private
    { Private declarations }
    [FrameInfo]
    FInfo: TFrameInfo<TCodeRageXFrame>;
  public
    { Public declarations }
    [BeforeShow]
    procedure MyBeforeShow;
  end;

 

[Lajos Juhász 322]

Edit. Sorry it's late.

Edited August 5, 2022 by Lajos Juhász

[FPiette 393]

Those values in square brackets are custom attributes. Have a look at the documentation : https://docwiki.embarcadero.com/RADStudio/Alexandria/en/Declaring_Custom_Attributes_(RTTI)

 

[Remy Lebeau 1613]

9 minutes ago, Lajos Juhász said:

Generic type more information at https://docwiki.embarcadero.com/RADStudio/Alexandria/en/Overview_of_Generics

The question was about the SQUARE brackets (Attribute), not the ANGLE brackets (Generic).

[Lajos Juhász 322]

10 hours ago, Remy Lebeau said:

The question was about the SQUARE brackets (Attribute), not the ANGLE brackets (Generic).

I know I was tired and english is not mother tongue that's the reason why I later removed my original post.