[Lazarus] BoxRect

[Bogusław Brandys]

Carlos German Tejero wrote:
> Hi to all!!
> I trying to port the fxds (http://sourceforge.net/projects/fxds) package 
> (aka Decision Cube) fro delphi to lazarus.
> For this i need the BoxRect function, but is missing in the LCL.
> 
> The delphi 7 helps says:
> 
> Returns the screen coordinates of a specified set of cells.
> 
> Delphi syntax:
> 
> function BoxRect(ALeft, ATop, ARight, ABottom: Longint): TRect;
> 
> C++ syntax:
> 
> TRect __fastcall BoxRect(int ALeft, int ATop, int ARight, int ABottom);
> 
> Description
> 
> Call BoxRect to obtain the screen coordinates, in pixels, of the cells 
> that run from the column with index ALeft to the column with index 
> ARight and the row with index ATop to the row with index ABottom. The 
> coordinates of cells that are not visible onscreen are not included in 
> the final rectangle
> 
> Any hints to implement BoxRect are welcome.
> 

I'm sorry to disappoint you but seems that this fxds sources are heavily 
based on Borland original decision cube sources from delphi6.
Better check it before any serious usage.

Boguslaw