Delphi Basics : Byte command

DelphiBasics

Byte
Type

An integer type supporting values 0 to 255

System unit

type Byte = 0..255;

Description

The Byte type is the smallest form of integer, occupying 8 bits (1 byte) of storage.

It supports only the positive integers from 0 to 255.

Related commands

Cardinal		The basic unsigned integer type
Int64		A 64 bit sized integer - the largest in Delphi
Integer		The basic Integer type
LongInt		An Integer whose size is guaranteed to be 32 bits
LongWord		A 32 bit unsigned integer
ShortInt		An integer type supporting values -128 to 127
SmallInt		An Integer type supporting values from -32768 to 32767
Word		An integer type supporting values 0 to 65535

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Example code : Showing maximum and minimum byte values

var
  min, max : Byte;
begin
  // Set the minimum and maximum values of this data type
  min := Low(Byte);
  max := High(Byte);
  ShowMessage('Min byte value = '+IntToStr(min));
  ShowMessage('Max byte value = '+IntToStr(max));
end;

Show full unit code

Min byte value = 0
Max byte value = 255