> Why it returns 16 instead of 15? > It is because the data is aligned to word or double-word boundaries for > faster access?
Yes, it is. > How do I get the real size then? Cancel align;ent using "packet" keyword: TSample = packed record .... end; -- [EMAIL PROTECTED] The author of the freeware multi-tier middleware MidWare The author of the freeware Internet Component Suite (ICS) http://www.overbyte.be ----- Original Message ----- From: "CubicDesign" <[EMAIL PROTECTED]> To: <[email protected]> Sent: Wednesday, May 16, 2007 5:19 PM Subject: problems with SizeOf > Hi. > Can anybody tell me what should return this function Sizeof(TSample)? > > TSample = record > SampleA: > Smallint; > SampleB: > Smallint; > SampleC: Smallint; > SampleD: Smallint; > BasePos: Integer; > Base : > char; > QV : BYTE; > Gray : Boolean; > end; {Size= 2+2+2+2+ 4+ 1+ 1+ 1} > > Why it returns 16 instead of 15? > It is because the data is aligned to word or double-word boundaries for > faster access? > How do I get the real size then? > > > > > I want to save a matrix called CromaMX (CromaMX = array of TSample ) to > disk using BlockWrite. How do I save it, without wasting disk space, > because it looks that if I use: > > SizeChroma= Length(CromaMX)* sizeof(TSample); > BlockWrite(F, CromaMX[0], SizeChroma); > > I will allocate too much space. > > > > > _______________________________________________ > Delphi mailing list -> [email protected] > http://www.elists.org/mailman/listinfo/delphi _______________________________________________ Delphi mailing list -> [email protected] http://www.elists.org/mailman/listinfo/delphi
