8501. IsEnabledEffective
8502. IsEqual
8503. IsEqualGUID
8504. IsEqualIID
8505. IsEquivalent
8506. IsError
8507. IsErrorRspInfo
8508. IsErrorTexture
8509. IsEventLogging
8510. IsFeatureLevelSupported
8511. IsFile
8512. IsFileSep
8513. IsFinite
8514. IsFlagOn
8515. IsFlagPickedup
8516. IsFlagSet
8517. IsFloodDone
8518. IsFocus
8519. IsFocused
8520. IsFullScreen
8521. IsGameObjectValid
8522. IsGameTypeSingle
8523. IsHeroic
8524. IsHordeFlagPickedup
8525. IsHorzDocked
8526. IsIconic
8527. IsInBag
8528. IsInEffectHook
8529. IsInGameThread
8530. IsInHitPhase
8531. IsInRenderingThread
8532. IsInTargetHook
8533. IsInUpdateQueue
8534. IsInWorld
8535. IsInitialized
8536. IsInside
8537. IsInt
8538. IsItemIn
8539. IsKeyDown
8540. IsKeyPressed
8541. IsLeaf
8542. IsLeapYear
8543. IsLinked
8544. IsListEmpty
8545. IsLocked
8546. IsLookonMode
8547. IsMainThread
8548. IsMember
8549. IsMine
8550. IsModal
8551. IsMouseEnabled
8552. IsMoving
8553. IsMyAddress
8554. IsNaN
8555. IsNetworkGame
8556. IsNode
8557. IsNonCombatSpell
8558. IsNull
8559. IsNullOrEmptyString
8560. IsNumber
8561. IsOK
8562. IsObj
8563. IsObject
8564. IsOfClass
8565. IsOk
8566. IsOn
8567. IsOnFire
8568. IsOnGMPThread
8569. IsOne
8570. IsOnline
8571. IsOpen
8572. IsOpened
8573. IsOper
8574. IsOperatorControl
8575. IsPC
8576. IsPGPError
8577. IsPassiveSpell
8578. IsPathDiv
8579. IsPathSeparator
8580. IsPaused
8581. IsPendingKill
8582. IsPerson
8583. IsPet
8584. IsPlaying
8585. IsPortActive
8586. IsPositionValid
8587. IsRegistered
8588. IsSelected
8589. IsServer
8590. IsSet
8591. IsShown
8592. IsSizeDecode
8593. IsSnapshotting
8594. IsSoulBound
8595. IsSpawned
8596. IsStopped
8597. IsSummaryAvailable
8598. IsSupported
8599. IsSwitchChar
8600. IsTeamplay