TQWordHelper helper

Declaration

Descends from it: TQwordSysHelper

Description

TQWordHelper contains some auxiliary routines for a QWord-typed ordinal value. It consists mainly of conversion routines to and from other types.

See also

• TStringHelper
• TShortIntHelper
• TSmallIntHelper
• TWordHelper
• TCardinalHelper
• TIntegerHelper
• TInt64Helper
• TByteHelper
• TNativeIntHelper
• TNativeUIntHelper

Properties

Bits	public	Read or write a bit.
Nibbles	public	Read or write a nibble.
Bytes	public	Read or write a byte.
Words	public	Read or write a word.
DWords	public	Read or write a dword.

Methods

Parse	public	Convert from a string.
Size	public	Size, in bytes, of the QWord value.
ToString	public	Convert the value to string.
TryParse	public	Try to convert a string to a QWord, report success or failure.
GetBit	protected
PutBit	protected
GetNibble	protected
PutNibble	protected
GetByte	protected
PutByte	protected
GetWord	protected
PutWord	protected
GetDword	protected
PutDword	protected
ToBoolean	public	Convert to a boolean value.
ToDouble	public	Convert to a double-sized floating point value.
ToExtended	public	Convert to an extended-sized floating point value.
ToBinString	public	Convert to a binary string representation.
ToHexString	public	Convert to a hexadecimal string representation.
ToSingle	public	Convert to an single-sized floating point value.
SetBit	public	Set bit to 1.
ClearBit	public	Set bit to 0.
ToggleBit	public	Invert bit.
TestBit	public	Check bit.
Clear	public	Set value to 0.
HighestSetBitPos	public	Return the position of the leftmost bit set.
LowestSetBitPos	public	Return the position of the rightmost bit set.
SetBitsCount	public	Count number of bits set.

Types and constants

MaxValue		Maximum value for a QWord.
MinValue		Minimum value for a QWord.
MaxBit		Maximum value for a bit.
MinBit		Minimum value for a bit.
MaxNibble		Maximum value for a nibble.
MinNibble		Minimum value for a nibble.
MaxByte		Maximum value for a byte.
MinByte		Minimum value for a byte.
MaxWord		Maximum value for a word.
MinWord		Minimum value for a word.
MaxDword		Maximum value for a dword.
MinDword		Minimum value for a dword.