| background | HTk.Kernel.Configuration, HTk.Toplevel.HTk |
| Backward | HTk.Widgets.Editor, HTk.Toplevel.HTk |
| BackwardChars | HTk.Widgets.Editor, HTk.Toplevel.HTk |
| BackwardLines | HTk.Widgets.Editor, HTk.Toplevel.HTk |
| BaseIndex | HTk.Components.Index, HTk.Toplevel.HTk |
| Baseline | HTk.Kernel.Resources, HTk.Toplevel.HTk |
| bbeta | HTk.Toolkit.MarkupText |
| bbox | HTk.Kernel.Configuration, HTk.Toplevel.HTk |
| BCursor | |
| 1 (Type/Class) | HTk.Kernel.Cursor, HTk.Toplevel.HTk |
| 2 (Data Constructor) | HTk.Kernel.Cursor, HTk.Toplevel.HTk |
| before | HTk.Tix.PanedWindow, HTk.Toplevel.HTk |
| bell | HTk.Devices.Bell, HTk.Toplevel.HTk |
| belowItem | HTk.Canvasitems.CanvasTag, HTk.Toplevel.HTk |
| beta | HTk.Toolkit.MarkupText |
| bg | HTk.Kernel.Configuration, HTk.Toplevel.HTk |
| bgcolour | HTk.Toolkit.MarkupText |
| bgstipple | HTk.Textitems.TextTag, HTk.Toplevel.HTk |
| bigand | HTk.Toolkit.MarkupText |
| bigIncrement | HTk.Widgets.Scale, HTk.Toplevel.HTk |
| bind | HTk.Kernel.Core, HTk.Toplevel.HTk |
| bindCmd | HTk.Kernel.GUIObject, HTk.Kernel.Core |
| bindGenericBrowserEv | HTk.Toolkit.GenericBrowser |
| bindGenGUIEv | HTk.Toolkit.GenGUI |
| bindNotepadEv | HTk.Toolkit.Notepad |
| bindPath | HTk.Kernel.Core, HTk.Toplevel.HTk |
| bindPathSimple | HTk.Kernel.Core, HTk.Toplevel.HTk |
| bindSelection | HTk.Toolkit.SimpleListBox |
| bindSimple | HTk.Kernel.Core, HTk.Toplevel.HTk |
| BindTag | HTk.Kernel.Wish, HTk.Kernel.Core |
| bindTagS | HTk.Kernel.Wish, HTk.Kernel.Core |
| bindTags | HTk.Kernel.Wish, HTk.Kernel.Core |
| bindTreeListEv | HTk.Toolkit.TreeList |
| BitMap | HTk.Components.BitMap, HTk.Toplevel.HTk |
| bitmap | HTk.Components.BitMap, HTk.Toplevel.HTk |
| BitMapDesignator | HTk.Components.BitMap, HTk.Toplevel.HTk |
| BitMapFile | HTk.Components.BitMap, HTk.Toplevel.HTk |
| BitMapHandle | |
| 1 (Type/Class) | HTk.Components.BitMap, HTk.Toplevel.HTk |
| 2 (Data Constructor) | HTk.Components.BitMap, HTk.Toplevel.HTk |
| BITMAPITEM | HTk.Kernel.GUIObjectKind, HTk.Kernel.Core |
| BitMapItem | HTk.Canvasitems.BitMapItem, HTk.Toplevel.HTk |
| Blank | HTk.Toolkit.MenuType |
| Bold | HTk.Kernel.Font, HTk.Toplevel.HTk |
| bold | HTk.Toolkit.MarkupText |
| borderwidth | HTk.Kernel.Configuration, HTk.Toplevel.HTk |
| bot | HTk.Toolkit.MarkupText |
| Both | HTk.Kernel.PackOptions, HTk.Toplevel.HTk |
| BothEnds | HTk.Canvasitems.Line, HTk.Toplevel.HTk |
| Bottom | HTk.Kernel.Resources, HTk.Toplevel.HTk |
| BottomLabel | HTk.Tix.LabelFrame, HTk.Toplevel.HTk |
| BOX | HTk.Kernel.GUIObjectKind, HTk.Kernel.Core |
| Box | HTk.Containers.Box, HTk.Toplevel.HTk |
| Browse | HTk.Widgets.ListBox, HTk.Toplevel.HTk |
| bufferedCommands | HTk.Kernel.Wish, HTk.Kernel.Core |
| bullet | HTk.Toolkit.MarkupText |
| BUTTON | HTk.Kernel.GUIObjectKind, HTk.Kernel.Core |
| Button | |
| 1 (Data Constructor) | HTk.Toolkit.MenuType |
| 2 (Type/Class) | HTk.Widgets.Button, HTk.Toplevel.HTk, HTk.Toolkit.IconBar |
| button | HTk.Kernel.EventInfo, HTk.Toplevel.HTk |
| Button1 | HTk.Kernel.Wish, HTk.Kernel.Core, HTk.Toplevel.HTk |
| Button2 | HTk.Kernel.Wish, HTk.Kernel.Core, HTk.Toplevel.HTk |
| Button3 | HTk.Kernel.Wish, HTk.Kernel.Core, HTk.Toplevel.HTk |
| Button4 | HTk.Kernel.Wish, HTk.Kernel.Core, HTk.Toplevel.HTk |
| Button5 | HTk.Kernel.Wish, HTk.Kernel.Core, HTk.Toplevel.HTk |
| buttonColours | HTk.Kernel.ButtonWidget, HTk.Menuitems.MenuItem, HTk.Toplevel.HTk |
| ButtonPress | HTk.Kernel.Wish, HTk.Kernel.Core, HTk.Toplevel.HTk |
| ButtonRelease | HTk.Kernel.Wish, HTk.Kernel.Core, HTk.Toplevel.HTk |
| ButtonWidget | HTk.Kernel.ButtonWidget, HTk.Toplevel.HTk |