MSAA Relations

« AT APIs Support Page

Introduction

Mapping for MSAA Relations and additional relations to Gecko relations. Use IAccessible::accNavigate method to get relations.

Relations List

MSAA Relation Description Gecko Relation
NAVRELATION_CONTROLLED_BY = 0x1000 Some attribute of this object is affected by a target object. RELATION_CONTROLLED_BY
NAVRELATION_CONTROLLER_FOR = 0x1001 This object is interactive and controls some attribute of a target object. RELATION_CONTROLLER_FOR
NAVRELATION_DESCRIBED_BY = 0x100e This object is described by the target object. RELATION_DESCRIBED_BY
NAVRELATION_DESCRIPTION_FOR = 0x100f This object is describes the target object. RELATION_DESCRIPTION_FOR
NAVRELATION_EMBEDDED_BY= 0x100a This object is embedded by a target object. RELATION_EMBEDDED_BY
NAVRELATION_EMBEDS = 0x1009 This object embeds a target object. This relation can be used on the OBJID_CLIENT accessible for a top level window to show where the content areas are. RELATION_EMBEDS
NAVRELATION_FLOWS_FROM = 0x1007 Content flows to this object from a target object. RELATION_FLOWS_FROM
NAVRELATION_FLOWS_TO = 0x1006 Content flows from this object to a target object. RELATION_FLOWS_TO
NAVRELATION_LABEL_FOR = 0x1002 This object is label for a target object. RELATION_LABEL_FOR
NAVRELATION_LABELLED_BY = 0x1003 This object is labelled by a target object. RELATION_LABELED_BY
NAVRELATION_MEMBER_OF = 0x1004 This object is a member of a group of one or more objects. When there is more than one object in the group each member may have one and the same target, e.g. a grouping object. It is also possible that each member has multiple additional targets, e.g. one for every other member in the group. RELATION_MEMBER_OF
NAVRELATION_NODE_CHILD_OF = 0x1005 This object is a child of a target object. RELATION_NODE_CHILD_OF
NAVRELATION_PARENT_WINDOW_OF = 0x100c This object is a parent window of the target object. RELATION_PARENT_WINDOW_OF
NAVRELATION_POPUP_FOR = 0x100b This object is a transient component related to the target object. When this object is activated the target object doesn't loose focus. RELATION_POPUP_FOR
NAVRELATION_SUBWINDOW_OF = 0x1008 This object is a sub window of a target object. RELATION_SUBWINDOW_OF
NAVRELATION_DEFAULT_BUTTON = 0x100d This object is a sub window of a target object. RELATION_DEFAULT_BUTTON
NAVDIR_DOWN (not currently supported) Navigate to the sibling object located below the starting object. nsIAccessible.getAccessibleBelow()
NAVDIR_FIRSTCHILD Navigate to the first child of this object. When using this flag, the lVal member of the varStart parameter must be CHILDID_SELF. nsIAccessible.firstChild
NAVDIR_LASTCHILD Navigate to the last child of this object. When using this flag, the lVal member of the varStart parameter must be CHILDID_SELF. nsIAccessible.lastChild
NAVDIR_LEFT (not currently supported) Navigate to the sibling object located to the left of the starting object. nsIAccessible.getAccessibleToLeft()
NAVDIR_NEXT Navigate to the next logical object, generally a sibling to the starting object. nsIAccessible.nextSibling
NAVDIR_PREVIOUS Navigate to the previous logical object, generally a sibling to the starting object. nsIAccessible.previousSibling
NAVDIR_RIGHT (not currently supported) Navigate to the sibling object located to the right of the starting object. nsIAccessible.getAccessibleToRight()
NAVDIR_UP (not currently supported) Navigate to the sibling object located above the starting object. nsIAccessible.getAccessibleAbove()

Document Tags and Contributors

Contributors to this page: Sheppy, Surkov.alexander, Aaronlev
Last updated by: Sheppy,