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XmNotebook

XmNotebook

Section: Misc. Reference Manual Pages (library call)
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NAME

XmNotebook --- The Notebook widget class  

SYNOPSIS

#include <Xm/Notebook.h>
 

DESCRIPTION

Notebook is a manager widget that organizes its children into pages, tabs, status areas, and page scrollers to simulate a real notebook. It stacks its page children so that all page children occupy the same area like real book pages. Notebook displays visuals that look like the binding of a book and the edges of other pages around the page that is shown. Tab children simulate notebook tabs. Major tabs divide Notebook into several sections, and minor tabs subdivide these sections. Status area children provide additional information about pages such as page numbers. The page scroller child allows the user to move from page to page. Notebook also provides tab scrollers for scrolling major and minor tabs if it cannot display all tabs within its edges.

The application creates pages, tabs, status areas, and page scroller as children of the Notebook widget. Notebook creates tab scrollers when the Notebook is created.

The XmNnotebookChildType constraint resource of Notebook determines whether a child widget is a page, tab, status area, or page scroller. Any Motif widget can be a page of the Notebook. When the application creates a child of the Notebook widget without setting the child type constraint, the child becomes a page by default, unless it has the XmQTactivatable, XmQTaccessTextual, or XmQTnavigator trait. Children with the XmQTactivatable, XmQTaccessTextual, or XmQTnavigator trait become major tabs, status areas, and page scrollers, respectively.

Notebook uses the XmQTaccessTextual, XmQTactivatable, XmQTjoinSide, and XmQTnavigator traits, and installs the XmQTscrollFrame trait.

The application attaches a tab to a page by creating a tab child of the Notebook and setting the XmNpageNumber constraint to the page number of the targeted page. By the same method, a status area widget can be attached to a page. The page scroller child, on the other hand, is associated with the Notebook, not with a specific page. Therefore, there is only one valid page scroller for each Notebook.  

Pages

Only one child of type XmPAGE is displayed at a time by Notebook. Other page children are hidden off-screen. When Notebook displays a particular page, it positions the previously-displayed page off-screen and puts the new page in its place. The page is resized to fit into the dimensions that Notebook has allocated to display pages.  

Page Numbers

Notebook uses the XmNcurrentPageNumber, XmNfirstPageNumber, and XmNlastPageNumber resources to determine the current page and available page number range. Only those pages whose page numbers are within the range can be displayed. Other pages cannot be displayed until the range between XmNfirstPageNumber and XmNlastPageNumber is changed to include them or their page numbers are changed to a number within the range.

If XmNfirstPageNumber and XmNlastPageNumber are not set explicitly by the application, they are set to 1 by default; Notebook sets XmNlastPageNumber to the largest page number assigned by the application thereafter by default. However, once XmNlastPageNumber is set by the application, Notebook no longer changes it even when a page with a higher page number is managed.

The XmNpageNumber constraint resource is used for specifying the page number of a page widget. It can be set to any integer. For tab and status area children, the resource is used for linking the child widget to a page. For the page scroller child, the resource has no meaning and is ignored by the Notebook.

When a page without a page number is managed, Notebook assigns it the smallest unallocated page number that is not less than the first page number and greater than the last allocated page number. When a tab or a status area without a page number is managed, the newly managed widget is assigned the page number of the most recently managed page, unless the page already has the same type of child. If the page does have the same type of child, Notebook assigns the newly managed widget a page number one greater than the most recently managed page; this new page number is now occupied. Notebook may generate a default page number greater than XmNlastPageNumber, making those pages inaccessible to the user.  

Duplicate and Empty Pages

Since an application can create or change page numbers, it is possible to have duplicate page numbers and empty pages. When two pages with the same page number are managed, only the more recently managed page can be displayed. Inserting a page with an existing page number does not cause a warning. The old page widget cannot be displayed until the new page widget is removed from the Notebook or until the page number of the old page widget is changed to some other number.

An empty page is a page slot where no page is inserted. Empty pages occur when a tab or status area is associated with a page number that has no matching page widget. Empty pages display the blank Notebook background unless the application provides visual information to this empty area while processing XmNpageChangedCallback.  

Notebook Visuals

Notebook draws lines around two sides of the top page to simulate the edges of other pages that are behind the top page. The XmNbackPagePlacement and XmNorientation resources determine which two sides have the lines drawn around them. By default, they are drawn on the bottom and right sides of the top page. The application can set resources to control how many lines are drawn and how wide the area that they are drawn in is. Applications can also choose from three styles of binding visual that simulates the binding of a Notebook. Solid or spiral bindings can be drawn by Notebook, or the application can supply a pixmap that is tiled into the binding.  

Tabs

A major or minor tab is a Motif widget with the XmQTactivatable trait. If a widget without the trait is created for a tab, Notebook does not provide the page activation callback. As a result, even though the tab is displayed, it cannot automatically move the associated page to the top.

Major tabs divide the Notebook pages into sections. Minor tabs subdivide these sections. Only minor tabs associated with the current section are displayed, where a section consists of the group of pages between the current major tab and the next major tab, including the current major tab but not including the page containing the next major tab. The exception to this is when there is no preceding major tab, in which case the section starts from the XmNfirstPageNumber value. A user in one major tab section does not see the minor tabs in other sections. However, all tabs are used in computing the size of the Notebook.

Unlike regular notebook tabs, tabs in the Notebook are not attached to a physical page (a widget). They are, instead, attached to a logical page (a page number). Therefore, it is possible to have a tab with an empty page. When a page with a tab is removed from the Notebook, the tab is not removed because it is still bound to a logical page. Destroying or unmanaging a page widget only erases the page and leaves an empty page. It does not tear the page out of the Notebook. To remove the tab, the application must explicitly destroy or unmanage it.

Notebook supports the XmQTjoinSide trait. A widget that has the XmQTjoinSide trait can be added to the Notebook as a Major or Minor tab and will appear to be attached to its associated page with no margins or shadows between them.  

Status Areas

A status area is any widget that is used for describing the associated page. For example, the Label widget as a status area child can hold a simple string or a pixmap that describes a page. A status area widget is also attached to a page by the page number constraint resource. Therefore, it is possible to have multiple status area widgets for one page. Only the most recently managed status area widget for that page can be displayed. All others for that page are not unmanaged, but their sizes are used for computing the size of the Notebook. If no status area widget is provided, the Notebook displays its blank background in the status area's reserved space. Notebook does not create any default status area widget.  

Page Scrollers

The page scroller of the Notebook is any widget that the application creates for scrolling pages. If the application does not create one when the Notebook is realized, Notebook creates a SpinBox widget as the default page scroller. If the application creates a new page scroller, the default page scroller is destroyed. If the application creates multiple page scrollers, only the most recently managed one can be displayed and used. All others are unmanaged.

The default SpinBox page scroller grays out one of the arrow visuals if the current page is a boundary page. If the current page is the first page, the previous arrow of the SpinBox is grayed. If the current page is the last page, the next arrow of the SpinBox is grayed.  

Tab Scrollers

Tab scrollers are created by the Notebook for scrolling major tabs and minor tabs. When Notebook is initialized, it creates four ArrowButtonGadgets for scrolling to the next major tab, the previous major tab, the next minor tab, and the previous minor tab. The application cannot replace these tab scrollers. The application can change all resources of these widgets except the position and the arrow direction. Tab scrollers are only visible and enabled when there is not enough space to display all the major or minor tabs appropriate to the page. Tab scrollers are also grayed out when scrolling is inappropriate. The following lists the tab scrollers that are created:
Child Widgets that XmNotebook Creates
ChildNameWidget Class



Page ScrollerPageScrollerXmSpinBox



Next Major Tab ScrollerMajorTabScrollerNextXmArrowButtonGadget



Previous Major Tab ScrollerMajorTabScrollerPreviousXmArrowButtonGadget



Next Minor Tab ScrollerMinorTabScrollerNextXmArrowButtonGadget



Previous Minor Tab ScrollerMinorTabScrollerPreviousXmArrowButtonGadget



When the user selects the page scroller, a major tab, or a minor tab, the value of XmNcurrentPageNumber is changed to the selected page number and XmNpageChangedCallback is invoked. After the application returns from the callback, the Notebook displays the last page child whose page number is equal to the current page number. It also displays the last matched status area child. All other pages and status areas are automatically hidden. Major tabs and minor tabs that can fit into the Notebook's edges are displayed and positioned appropriately. All other tabs are also hidden. The application can also cause a page change by calling XtSetValues on XmNcurrentPageNumber and then calling XtCallCallbacks on XmNpageChangedCallback.  

Orientation

The Notebook has eight different visual configurations, depending on the value of XmNbackPagePlacement and XmNorientation. These two resources determine the placement of back pages, the binding, major tabs, minor tabs, the status area, and the page scroller. The location of the binding is determined by XmNorientation. Major tabs are always placed on the back page side opposite to the binding; Minor tabs are placed on the back page display area that is visually connected to the binding. Both Major and Minor tabs are ordered so that the page numbers they access increase as they get closer to the corner where the back pages meet. The status area and the page scroller are always located on the bottom of the Notebook, inside the frame. The page scroller is always placed adjacent to a back page side. The following table shows the possible configurations and the locations of each Notebook component within the configuration. The default back page value and the default orientation are based upon XmNlayoutDirection.
Notebook Configurations
XmNbackPagePlacementXmNorientationMajor TabsStatus AreaBinding





Minor TabsPage Scroller





XmBOTTOM_RIGHTXmHORIZONTALRIGHTBOTTOM LEFTLEFT





BOTTOMBOTTOM RIGHT





XmBOTTOM_RIGHTXmVERTICALBOTTOMBOTTOM LEFTTOP





RIGHTBOTTOM RIGHT





XmBOTTOM_LEFTXmHORIZONTALLEFTBOTTOM RIGHTRIGHT





BOTTOMBOTTOM LEFT





XmBOTTOM_LEFTXmVERTICALBOTTOMBOTTOM RIGHTTOP





LEFTBOTTOM LEFT





XmTOP_RIGHTXmHORIZONTALRIGHTBOTTOM LEFTLEFT





TOPBOTTOM RIGHT





XmTOP_RIGHTXmVERTICALTOPBOTTOM LEFTBOTTOM





RIGHTBOTTOM RIGHT





XmTOP_LEFTXmHORIZONTALLEFTBOTTOM RIGHTRIGHT





TOPBOTTOM LEFT





XmTOP_LEFTXmVERTICALTOPBOTTOM RIGHTBOTTOM





LEFTBOTTOM LEFT





There are three tab groups for tab group traversal inside the Notebook: major tabs, minor tabs, and the page scroller. The application can also create additional types of tab groups within the Notebook; for example, each page added by the application is treated as a separate tab group by the traversal actions.  

Classes

Notebook inherits behavior, resources, and traits from Core, Composite, Constraint, and XmManager classes.

The class pointer is xmNotebookWidgetClass.

The class name is XmNotebook.  

New Resources

The following table defines a set of widget resources used by the programmer to specify data. The programmer can also set the resource values for the inherited classes to set attributes for this widget. To reference a resource by name or by class in a .Xdefaults file, remove the XmN or XmC prefix and use the remaining letters. To specify one of the defined values for a resource in a .Xdefaults file, remove the Xm prefix and use the remaining letters (in either lowercase or uppercase, but include any underscores between words). The codes in the access column indicate if the given resource can be set at creation time (C), set by using XtSetValues (S), retrieved by using XtGetValues (G), or is not applicable (N/A).

XmNotebook Resource Set
NameClassTypeDefaultAccess





XmNbackPageBackgroundXmCBackPageBackgroundPixeldynamicCSG





XmNbackPageForegroundXmCBackPageForegroundPixeldynamicCSG





XmNbackPageNumberXmCBackPageNumberCardinal2CSG





XmNbackPagePlacementXmCBackPagePlacementunsigned chardynamicCSG





XmNbackPageSizeXmCBackPageSizeDimension8CSG





XmNbindingPixmapXmCBindingPixmapPixmapXmUNSPECIFIED_PIXMAPCSG





XmNbindingTypeXmCBindingTypeunsigned charXmSPIRALCSG





XmNbindingWidthXmCBindingWidthDimension25CSG





XmNcurrentPageNumberXmCCurrentPageNumberintdynamicCSG





XmNfirstPageNumberXmCFirstPageNumberint1CSG





XmNframeBackgroundXmCFrameBackgroundPixeldynamicCSG





XmNframeShadowThicknessXmCShadowThicknessDimension0CSG





XmNinnerMarginHeightXmCInnerMarginHeightDimension0CSG





XmNinnerMarginWidthXmCInnerMarginWidthDimension0CSG





XmNlastPageNumberXmCLastPageNumberintdynamicCSG





XmNminorTabSpacingXmCMinorTabSpacingDimension3CSG





XmNmajorTabSpacingXmCMajorTabSpacingDimension3CSG





XmNorientationXmCOrientationunsigned charXmHORIZONTALCSG





XmNpageChangedCallbackXmCCallbackXtCallbackListNULLC





XmNbackPageBackground
Specifies the background color for drawing back pages. The default is a lower-intensity version of XmNframeBackground.
XmNbackPageForeground
Specifies the forground color for drawing back pages. The default is taken from the application's default foreground color.
XmNbackPageNumber
Specifies the number of lines to draw for back pages. The minimum value is 1, and the maximum value is (XmNbackPageSize / 2).
XmNbackPagePlacement
Specifies where to place the back pages. The default is dependent on the XmNlayoutDirection resource of the Notebook's instance parents. It can have one of the following values:
XmBOTTOM_RIGHT
Displays back pages on the Notebook's bottom and right sides.
XmBOTTOM_LEFT
Displays back pages on the Notebook's bottom and left sides.
XmTOP_RIGHT
Displays back pages on the Notebook's top and right sides.
XmTOP_LEFT
Displays back pages on the Notebook's top and left sides.
XmNbackPageSize
Specifies the thickness of the back page rendering.
XmNbindingPixmap
Specifies the pixmap or bitmap for stippling or tiling the binding when XmNbindingType is XmPIXMAP or XmPIXMAP_OVERLAP_ONLY.
XmNbindingType
Specifies the binding type. It can have one of the following values:
XmNONE
Displays no binding.
XmSOLID
Displays a solid binding in the foreground color of the Notebook within the binding area specified by XmNbindingWidth.
XmSPIRAL
Displays a spiral binding in the foreground color of the Notebook within the area specified by XmNbindingWidth and within the area outside of the frame equal to the area specified by XmNbindingWidth.
XmPIXMAP
Displays the binding with the pixmap or bitmap specified by XmNbindingPixmap as a stipple or tile. It uses the foreground color of the Notebook for stippling. The binding width is decided by the larger value of XmNbindingWidth and the width of the pixmap or bitmap.
XmPIXMAP_OVERLAP_ONLY
Displays the binding with the pixmap or bitmap specified by XmNbindingPixmap as a stipple or tile. It uses the foreground color of the Notebook for stippling. The binding is displayed only within the binding area specified by XmNbindingWidth.
XmNbindingWidth
Specifies the width of the Notebook binding. If XmNbindingType is XmPIXMAP and the width of the pixmap specified in XmNbindingPixmap is greater than XmNbindingWidth, then this resource is ignored and the width of the pixmap is used as the width of the Notebook binding instead.
XmNcurrentPageNumber
Specifies the page number of the currently displayed page. Initially, it is set to XmNfirstPageNumber. If it is set to less than XmNfirstPageNumber, then it is set to XmNfirstPageNumber. If it is set to XmNlastPageNumber, then it is set to XmNlastPageNumber.
XmNfirstPageNumber
Specifies the page number for the first page of the Notebook. The Notebook does not scroll to any page numbers below this value.
XmNframeBackground
Specifies the background color for drawing the Notebook's frame.
XmNframeShadowThickness
Specifies the shadow thickness around the Notebook's frame.
XmNinnerMarginHeight
Specifies the margin on the top and bottom sides of the page, status area, and page scroller widgets.
XmNinnerMarginWidth
Specifies the margin on the left and right sides of the page, status area, and page scroller widgets.
XmNlastPageNumber
Specifies the page number for the last page of the Notebook. The Notebook does not scroll to any page numbers above this value. The default page number is the largest page number of managed page, major tab, or minor tab widgets. If this is set to a value that is less than XmNfirstPageNumber, the behavior of the Notebook is undefined.
XmNmajorTabSpacing
Specifies the spacing distance between major tabs. If XmNframeShadowThickness is greater than XmNmajorTabSpacing, then this resource is ignored and the size of XmNframeShadowThickness is used as the spacing distance between major tabs.
XmNminorTabSpacing
Specifies the spacing distance between minor tabs. If XmNframeShadowThickness is greater than XmNminorTabSpacing, then this resource is ignored and the size of XmNframeShadowThickness is used as the spacing distance between minor tabs.
XmNorientation
Specifies the orientation of the Notebook. It can have one of the following values:
XmHORIZONTAL
Places the binding beside the pages, in the left or right side of the frame.
XmVERTICAL
Places the binding above or below the pages, in the top or the bottom of the frame.
XmNpageChangedCallback
Specifies the list of callbacks to call whenever the XmNcurrentPageNumber, representing the current page number, is changed. This includes the point when the widget is realized and the page number is initialized. The callback structure is XmNotebookCallbackStruct. The reason is XmCR_MAJOR_TAB, XmCR_MINOR_TAB, XmCR_PAGE_SCROLLER_INCREMENT, XmCR_PAGE_SCROLLER_DECREMENT, or XmCR_NONE, depending upon what action caused the Notebook to display a new page.

XmNotebook Constraint Resource Set
NameClassTypeDefaultAccess





XmNnotebookChildTypeXmCNotebookChildTypeunsigned chardynamicCG





XmNpageNumberXmCPageNumberintdynamicCSG





XmNresizableXmCResizableBooleanTrueCSG





XmNnotebookChildType
Specifies the child type of the Notebook. It can be one of the following types:
XmPAGE
The child is a page of the Notebook. This is the default when the child does not have the XmQTactivatable, XmQTaccessTextual, or XmQTnavigator trait.
XmMAJOR_TAB
The child is a major tab. This is the default when the child has the XmQTactivatable trait.
XmMINOR_TAB
The child is a minor tab.
XmSTATUS_AREA
The child is a status area. This is the default when the child has the XmQTaccessTextual trait and does not have the XmQTactivatable trait.
XmPAGE_SCROLLER
The child is the page scroller. The default page scroller is destroyed, if it exists. Any previously created page scrollers are unmanaged. This is the default when the child has the XmQTnavigator trait and does have the XmQTactivatable trait or the XmQTaccessTextual trait.
XmNpageNumber
Specifies the page number associated with the widget. If the widget is a page, the number specifies the page number of the widget. If the widget is not a page, the number specifies the page number of the associated page. If none is supplied by the application, Notebook generates the smallest unallocated page number when the child is managed. This resource is ignored for the page scroller.
XmNresizable
Specifies whether this child can request a resize.
 

Inherited Resources

Notebook inherits behavior and resources from the superclasses described in the following tables. For a complete description of each resource, refer to the reference page for that superclass.
XmManager Resource Set
NameClassTypeDefaultAccess





XmNbottomShadowColorXmCBottomShadowColorPixeldynamicCSG





XmNbottomShadowPixmapXmCBottomShadowPixmapPixmapXmUNSPECIFIED_PIXMAPCSG





XmNforegroundXmCForegroundPixeldynamicCSG





XmNhelpCallbackXmCCallbackXtCallbackListNULLC





XmNhighlightColorXmCHighlightColorPixeldynamicCSG





XmNhighlightPixmapXmCHighlightPixmapPixmapdynamicCSG





XmNinitialFocusXmCInitialFocusWidgetNULLCSG





XmNlayoutDirectionXmCLayoutDirectionXmDirectiondynamicCG





XmNnavigationTypeXmCNavigationTypeXmNavigationTypeXmTAB_GROUPCSG





XmNpopupHandlerCallbackXmCCallbackXtCallbackListNULLC





XmNshadowThicknessXmCShadowThicknessDimension0CSG





XmNstringDirectionXmCStringDirectionXmStringDirectiondynamicCG





XmNtopShadowColorXmCTopShadowColorPixeldynamicCSG





XmNtopShadowPixmapXmCTopShadowPixmapPixmapdynamicCSG





XmNtraversalOnXmCTraversalOnBooleanTrueCSG





XmNunitTypeXmCUnitTypeunsigned chardynamicCSG





XmNuserDataXmCUserDataXtPointerNULLCSG





Composite Resource Set
NameClassTypeDefaultAccess





XmNchildrenXmCReadOnlyWidgetListNULLG





XmNinsertPositionXmCInsertPositionXtOrderProcNULLCSG





XmNnumChildrenXmCReadOnlyCardinal0G





Core Resource Set
NameClassTypeDefaultAccess





XmNacceleratorsXmCAcceleratorsXtAcceleratorsdynamicCSG





XmNancestorSensitiveXmCSensitiveBooleandynamicG





XmNbackgroundXmCBackgroundPixeldynamicCSG





XmNbackgroundPixmapXmCPixmapPixmapXmUNSPECIFIED_PIXMAPCSG





XmNborderColorXmCBorderColorPixelXtDefaultForegroundCSG





XmNborderPixmapXmCPixmapPixmapXmUNSPECIFIED_PIXMAPCSG





XmNborderWidthXmCBorderWidthDimension0CSG





XmNcolormapXmCColormapColormapdynamicCG





XmNdepthXmCDepthintdynamicCG





XmNdestroyCallbackXmCCallbackXtCallbackListNULLC





XmNheightXmCHeightDimensiondynamicCSG





XmNinitialResourcesPersistentXmCInitialResourcesPersistentBooleanTrueC





XmNmappedWhenManagedXmCMappedWhenManagedBooleanTrueCSG





XmNscreenXmCScreenScreen *dynamicCG





XmNsensitiveXmCSensitiveBooleanTrueCSG





XmNtranslationsXmCTranslationsXtTranslationsdynamicCSG





XmNwidthXmCWidthDimensiondynamicCSG





XmNxXmCPositionPosition0CSG





XmNyXmCPositionPosition0CSG





 

Callback

A pointer to the following structure is passed to callbacks for XmNpageChangedCallback.

typedef struct
{
        int reason;
        XEvent *event;
        int page_number;
        Widget page_widget;
        int prev_page_number;
        Widget prev_page_widget;
} XmNotebookCallbackStruct;
reason
Specifies the reason for the callback.
event
Points to the XEvent that triggered the callback. It can be NULL.
page_number
Indicates the page number to be displayed.
page_widget
Indicates the page widget that has the new page number. It is NULL if no page widget with the page number is found.
prev_page_number
Indicates the page number of the currently displayed page. If the callback procedure is being called at widget initialization, this page number will be returned as XmUNSPECIFIED_PAGE_NUMBER.
prev_page_widget
Indicates the currently displayed page widget. If the callback procedure is being called at widget initialization, NULL will be returned.
 

Translations

Notebook inherits translations from Manager.  

Accelerators

Notebook accelerators are added to all major tab and minor tab children of XmNotebook. Notebook accelerators are listed below. These accelerators might not directly correspond to a translation table.

<osfBeginLine>:
TraverseTab(Home)
<osfEndLine>:
TraverseTab(End)
<osfLeft>:
TraverseTab(Previous)
<osfRight>:
TraverseTab(Next)
<osfUp>:
TraverseTab(Previous)
<osfDown>:
TraverseTab(Next)
 

Action Routines

Notebook action routines are described below:

TraverseTab(Home|End|Next|Previous)
Moves the focus on major or minor tabs.
 

Additional Behavior

The Notebook widget has the additional behavior described below:

<Tab>
Notebook intercepts tab group traversal when traversal is entering or leaving major or minor tabs. It does this to support major tabs and minor tabs as two separate tab groups when they are actually treated as one by traversal. If a minor tab has keyboard focus and a user or program action specifies XmTRAVERSE_PREV_TAB_GROUP, keyboard focus will go to a major tab. If a major tab has keyboard focus and a user or program action specifies XmTRAVERSE_NEXT_TAB_GROUP, keyboard focus will go to a minor tab.
 

Virtual Bindings

The bindings for virtual keys are vendor specific. For information about bindings for virtual buttons and keys, see VirtualBindings(3).  

RELATED

Composite(3), Constraint(3), Core(3), XmCreateNotebook(3), XmManager(3), XmNotebookGetPageInfo(3), XmVaCreateNotebook(3), and XmVaCreateManagedNotebook(3).


 

Index

NAME
SYNOPSIS
DESCRIPTION
Pages
Page Numbers
Duplicate and Empty Pages
Notebook Visuals
Tabs
Status Areas
Page Scrollers
Tab Scrollers
Orientation
Classes
New Resources
Inherited Resources
Callback
Translations
Accelerators
Action Routines
Additional Behavior
Virtual Bindings
RELATED

This document was created by man2html, using the manual pages.
Time: 21:58:58 GMT, April 16, 2011