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IAccessible interface

Exposes methods and properties that make a user interface element and its children accessible to client applications.

When to implement

Servers implement this interface on controls to make them accessible to client applications.

Members

The IAccessible interface inherits from the IDispatch interface. IAccessible also has these types of members:

Methods

The IAccessible interface has these methods.

MethodDescription
accDoDefaultAction

Performs the specified object's default action. Not all objects have a default action.

accHitTest

Retrieves the child element or child object at a given point on the screen. All visual objects support this method.

accLocation

Retrieves the specified object's current screen location. All visual objects support this method.

accNavigate

Note  The accNavigate method is deprecated and should not be used. Clients should use other methods and properties such as AccessibleChildren, get_accChild, get_accParent, and IEnumVARIANT.

Traverses to another user interface element within a container and retrieves the object. All visual objects support this method.

accSelect

Modifies the selection or moves the keyboard focus of the specified object. All objects that support selection or receive the keyboard focus must support this method.

 

Properties

The IAccessible interface has these properties.

PropertyAccess typeDescription

accChild

Read-only

An IDispatch interface for the specified child, if one exists. All objects must support this property. See get_accChild.

accChildCount

Read-only

The number of children that belong to this object. All objects must support this property. See get_accChildCount.

accDefaultAction

Read-only

A string that describes the object's default action. Not all objects have a default action. See get_accDefaultAction.

accDescription

Read-only

Note  The accDescription property is not supported in the transition to UI Automation. Microsoft Active Accessibility servers and applications should not use it.

A string that describes the visual appearance of the specified object. Not all objects have a description.

accFocus

Read-only

The object that has the keyboard focus. All objects that receive the keyboard focus must support this property. See get_accFocus.

accHelp

Read-only

A help string. Not all objects support this property. See get_accHelp.

accHelpTopic

Read-only

Note  The accHelpTopic property is deprecated and should not be used.

The full path of the help file associated with the specified object and the identifier of the appropriate topic within that file. Not all objects support this property.

accKeyboardShortcut

Read-only

The object's shortcut key or access key, also known as the mnemonic. All objects that have a shortcut key or an access key support this property. See get_accKeyboardShortcut.

accName

Read-only

The name of the object. All objects support this property. See get_accName.

accParent

Read-only

The IDispatch interface of the object's parent. All objects support this property. See get_accParent.

accRole

Read-only

Information that describes the role of the specified object. All objects support this property. See get_accRole.

accSelection

Read-only

The selected children of this object. All objects that support selection must support this property. See get_accSelection.

accState

Read-only

The current state of the object. All objects support this property. See get_accState.

accValue

Read/write

The value of the object. Not all objects have a value. See get_accValue, put_accValue.

 

Requirements

Minimum supported client

Windows 2000 Professional [desktop apps only]

Minimum supported server

Windows 2000 Server [desktop apps only]

 

 

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