free_pascal_free_component_library.pdf

FreeComponentLibrary(FCL):

Referenceguide.

ReferenceguideforFCLunits.

Documentversion2.1

August2006

MichaëlVanCanneyt

Contents

0.1Overview ........................................ 12

1Referenceforunit’base64’ 13

1.1Usedunits ........................................ 13

1.2Overview ........................................ 13

1.3TBase64DecodingStream ................................ 13

1.3.1Description ................................... 13

1.3.2Methodoverview ................................ 13

1.3.3Propertyoverview ............................... 14

1.3.4TBase64DecodingStream.Create ........................ 14

1.3.5TBase64DecodingStream.Reset ........................ 14

1.3.6TBase64DecodingStream.Read ........................ 14

1.3.7TBase64DecodingStream.Write ........................ 14

1.3.8TBase64DecodingStream.Seek ......................... 15

1.3.9TBase64DecodingStream.EOF ......................... 15

1.4TBase64EncodingStream ................................ 15

1.4.1Description ................................... 15

1.4.2Methodoverview ................................ 15

1.4.3TBase64EncodingStream.Create ........................ 16

1.4.4TBase64EncodingStream.Destroy ....................... 16

1.4.5TBase64EncodingStream.Read ........................ 16

1.4.6TBase64EncodingStream.Write ........................ 16

1.4.7TBase64EncodingStream.Seek ......................... 17

2Referenceforunit’bufstream’ 18

2.1Usedunits ........................................ 18

2.2Overview ........................................ 18

2.3Constants,typesandvariables ............................. 18

2.3.1Constants .................................... 18

2.4TBufStream ....................................... 18

2.4.1Description ................................... 18

2.4.2Methodoverview ................................ 19

CONTENTS

2.4.3Propertyoverview ............................... 19

2.4.4TBufStream.Create ............................... 19

2.4.5TBufStream.Destroy .............................. 19

2.4.6TBufStream.Buffer ............................... 19

2.4.7TBufStream.Capacity .............................. 20

2.4.8TBufStream.BufferPos ............................. 20

2.4.9TBufStream.BufferSize ............................ 20

2.5TReadBufStream .................................... 21

2.5.1Description ................................... 21

2.5.2Methodoverview ................................ 21

2.5.3TReadBufStream.Seek ............................. 21

2.5.4TReadBufStream.Read ............................. 21

2.5.5TReadBufStream.Write ............................ 21

2.6TWriteBufStream .................................... 22

2.6.1Description ................................... 22

2.6.2Methodoverview ................................ 22

2.6.3TWriteBufStream.Destroy ........................... 22

2.6.4TWriteBufStream.Seek ............................. 22

2.6.5TWriteBufStream.Read ............................ 23

2.6.6TWriteBufStream.Write ............................ 23

3Referenceforunit’contnrs’ 24

3.1Usedunits ........................................ 24

3.2Overview ........................................ 24

3.3Constants,typesandvariables ............................. 24

3.3.1Types ...................................... 24

3.4Proceduresandfunctions ................................ 25

3.4.1RSHash ..................................... 25

3.5EDuplicate ....................................... 25

3.5.1Description ................................... 25

3.6EKeyNotFound ..................................... 25

3.6.1Description ................................... 25

3.7TClassList ........................................ 25

3.7.1Description ................................... 25

3.7.2Methodoverview ................................ 26

3.7.3Propertyoverview ............................... 26

3.7.4TClassList.Add ................................. 26

3.7.5TClassList.Extract ............................... 26

3.7.6TClassList.Remove ............................... 27

3.7.7TClassList.IndexOf ............................... 27

CONTENTS

3.7.8TClassList.First ................................. 27

3.7.9TClassList.Last ................................. 27

3.7.10TClassList.Insert ................................ 28

3.7.11TClassList.Items ................................ 28

3.8TComponentList .................................... 28

3.8.1Description ................................... 28

3.8.2Methodoverview ................................ 28

3.8.3Propertyoverview ............................... 28

3.8.4TComponentList.Destroy ............................ 29

3.8.5TComponentList.Add ............................. 29

3.8.6TComponentList.Extract ............................ 29

3.8.7TComponentList.Remove ........................... 29

3.8.8TComponentList.IndexOf ........................... 30

3.8.9TComponentList.First ............................. 30

3.8.10TComponentList.Last ............................. 30

3.8.11TComponentList.Insert ............................. 31

3.8.12TComponentList.Items ............................. 31

3.9TFPHashTable ..................................... 31

3.9.1Description ................................... 31

3.9.2Methodoverview ................................ 31

3.9.3Propertyoverview ............................... 32

3.9.4TFPHashTable.Create ............................. 32

3.9.5TFPHashTable.CreateWith ........................... 32

3.9.6TFPHashTable.Destroy ............................. 32

3.9.7TFPHashTable.ChangeTableSize ........................ 33

3.9.8TFPHashTable.Clear .............................. 33

3.9.9TFPHashTable.Add ............................... 33

3.9.10TFPHashTable.Delete ............................. 33

3.9.11TFPHashTable.Find .............................. 34

3.9.12TFPHashTable.IsEmpty ............................ 34

3.9.13TFPHashTable.HashFunction ......................... 34

3.9.14TFPHashTable.Count .............................. 35

3.9.15TFPHashTable.HashTableSize ......................... 35

3.9.16TFPHashTable.Items .............................. 35

3.9.17TFPHashTable.HashTable ........................... 35

3.9.18TFPHashTable.VoidSlots ............................ 36

3.9.19TFPHashTable.LoadFactor ........................... 36

3.9.20TFPHashTable.AVGChainLen ......................... 36

3.9.21TFPHashTable.MaxChainLength ....................... 36

3.9.22TFPHashTable.NumberOfCollisions ...................... 37

CONTENTS

3.9.23TFPHashTable.Density ............................. 37

3.10TFPObjectList ...................................... 37

3.10.1Description ................................... 37

3.10.2Methodoverview ................................ 38

3.10.3Propertyoverview ............................... 38

3.10.4TFPObjectList.Create ............................. 38

3.10.5TFPObjectList.Destroy ............................. 38

3.10.6TFPObjectList.Clear .............................. 39

3.10.7TFPObjectList.Add ............................... 39

3.10.8TFPObjectList.Delete ............................. 39

3.10.9TFPObjectList.Exchange ............................ 40

3.10.10TFPObjectList.Expand ............................. 40

3.10.11TFPObjectList.Extract ............................. 40

3.10.12TFPObjectList.Remove ............................. 40

3.10.13TFPObjectList.IndexOf ............................ 41

3.10.14TFPObjectList.FindInstanceOf ......................... 41

3.10.15TFPObjectList.Insert .............................. 41

3.10.16TFPObjectList.First .............................. 42

3.10.17TFPObjectList.Last ............................... 42

3.10.18TFPObjectList.Move .............................. 42

3.10.19TFPObjectList.Assign ............................. 42

3.10.20TFPObjectList.Pack .............................. 43

3.10.21TFPObjectList.Sort ............................... 43

3.10.22TFPObjectList.ForEachCall .......................... 43

3.10.23TFPObjectList.Capacity ............................ 44

3.10.24TFPObjectList.Count .............................. 44

3.10.25TFPObjectList.OwnsObjects .......................... 44

3.10.26TFPObjectList.Items .............................. 44

3.10.27TFPObjectList.List ............................... 45

3.11THTNode ........................................ 45

3.11.1Description ................................... 45

3.11.2Methodoverview ................................ 45

3.11.3Propertyoverview ............................... 45

3.11.4THTNode.CreateWith ............................. 45

3.11.5THTNode.HasKey ............................... 45

3.11.6THTNode.Key ................................. 46

3.11.7THTNode.Data ................................. 46

3.12TObjectList ....................................... 46

3.12.1Description ................................... 46

3.12.2Methodoverview ................................ 47

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