whats new ¦  programming tips ¦  indy articles ¦  intraweb articles ¦  informations ¦  links ¦  interviews
 misc ¦  tutorials ¦  Add&Win Game

Tips (1541)

Database (90)
Files (137)
Forms (107)
Graphic (114)
IDE (21)
Indy (5)
Internet / LAN (130)
IntraWeb (0)
Math (76)
Misc (126)
Multimedia (45)
Objects/
ActiveX (51)

OpenTools API (3)
Printing (35)
Strings (83)
System (266)
VCL (242)

Top15

Tips sort by
component


Search Tip

Add new Tip

Add&Win Game

Advertising

59 Visitors Online


 
...convert a hexadecimal number into a binary number?
Autor: Thomas Stutz
[ Print tip ]  

Tip Rating (15):  
     


function HexToBin(Hexadecimal: string): string;
const
  
BCD: array [0..15] of string =
    ('0000', '0001', '0010', '0011', '0100', '0101', '0110', '0111',
    '1000', '1001', '1010', '1011', '1100', '1101', '1110', '1111');
var
  
i: integer;
begin
  for 
i := Length(Hexadecimal) downto do
    
Result := BCD[StrToInt('$' + Hexadecimal[i])] + Result;
end;

procedure TForm1.Button1Click(Sender: TObject);
begin
  
ShowMessage(HexToBin('FFA1'));
  // Returns 1111111110100001
end;


 

Rate this tip:

poor
very good


Copyright © by SwissDelphiCenter.ch
All trademarks are the sole property of their respective owners