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This algorithm shows a converting hexadecimal value to the decimal value.
function HexToDec(Str: string): Integer;
var
i, M: Integer;
begin
Result:=0;
M:=1;
Str:=AnsiUpperCase(Str);
for i:=Length(Str) downto 1 do
begin
case Str[i] of
'1'..'9': Result:=Result+(Ord(Str[i])-Ord('0'))*M;
'A'..'F': Result:=Result+(Ord(Str[i])-Ord('A')+10)*M;
end;
M:=M shl 4;
end;
end;
procedure TForm1.Button1Click(Sender: TObject);
begin
if Edit1.Text<>'' then
Label2.Caption:=IntToStr(HexToDec(Edit1.Text));
end;
- Related topics
-
Convert decimals to binary
Convert binary to decimals
Convert decimals to hexadecimals
- For more
-
Delphi Help
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