Delphi ActiveX

Get the Last N Lines of a StringBuilder

Returns up to the last N lines of the contents of a Chilkat StringBuilder. Delphi ActiveX

uses
    Winapi.Windows, Winapi.Messages, System.SysUtils, System.Variants, System.Classes, Vcl.Graphics,
    Vcl.Controls, Vcl.Forms, Vcl.Dialogs, Vcl.StdCtrls, Chilkat_TLB;

...

procedure TForm1.Button1Click(Sender: TObject);
var
sb: TChilkatStringBuilder;
i: Integer;
bCrlf: Integer;

begin
sb := TChilkatStringBuilder.Create(Self);

i := 1;
while i < 100 do
  begin
    sb.Append('This is line number ');
    sb.AppendInt(i);
    sb.Append(#13#10);
    i := i + 1;
  end;

bCrlf := 1;
Memo1.Lines.Add(sb.LastNLines(12,bCrlf));

// Output is:
// 
// 	This is line number 88
// 	This is line number 89
// 	This is line number 90
// 	This is line number 91
// 	This is line number 92
// 	This is line number 93
// 	This is line number 94
// 	This is line number 95
// 	This is line number 96
// 	This is line number 97
// 	This is line number 98
// 	This is line number 99
// 
end;