IntToHex (Delphi)

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Description

The following example uses an edit control, a button, and a label on a form. When the button is clicked, the hexadecimal value of each character in the edit control is displayed in the label.

Code

procedure TForm1.Button1Click(Sender: TObject);
var
  i: Integer;
begin
  Label1.Caption := '';
  for i := 1 to Length(Edit1.Text) do
  begin
    try
      Label1.Caption :=
        Label1.Caption +
        SysUtils.IntToHex(Byte(Edit1.Text[i]),2) + ' ';
    except
      Beep;
    end;
  end;
end;

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