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var
arrChar : array [0..4] of Char;
b : Byte;
s : string;
begin
s := 'Test';
Move(Pointer(s)^, arrChar, Length(s)); //string to array of char
ShowMessage(arrChar);
b := Ord(s[1]); //First byte string to one single byte
ShowMessage(Char(b));
end; ......
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DELPHI
//////////////////////////////////
Function EncrypKey (Src:String; Key:String):string;
var
idx :integer;
KeyLen :Integer;
KeyPos :Integer;
offset :Integer;
dest :string;
SrcPos :Integer;
SrcAsc :Integer;
TmpSrcAsc :Integer;
Range :Integer;
begin
KeyLen:=Length(Key);
if KeyLen = 0 then key:='Think Space';
KeyPos:=0;
SrcPos:=0;
SrcAsc:=0;
Range:=256;
Randomize;
  ......
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public function encrypt($data)
{
return base64_encode($this->_getCrypt()->encrypt((string)$data));
}
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unit Unit1;
interface
uses
Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
Dialogs, StdCtrls;
type
T3DPoint = record
X, Y, Z: Double;
class operator ADD(ALeftPoint, ARightPoint: T3DPoint): T3DPoint; {ÖØÔØ'+'ÔËËã·û}
end;
TForm1 = class(TForm)
Button1: TButton;
procedure Button1Click(Sender: TObject);
private
{ Private declarations }
public
{ Public declarations }
end;
var
Form1: TForm1;
implementation
{$R *.dfm}
{ T3DPoint }
class operator T3DPoint.ADD(ALeftPoint, ARightPoint: T3DPoint): T3DPoint;
begin
Result.X := ALeftPoint.X + ARightPoint.X;
Result.Y := ALeftPoint.Y + ARightPoint.Y;
Result.Z := ALeftPoint.Z + ARightPoint.Z;
end;
procedure T ......