JavaTM 2 Platform
Standard Ed. 6

java.awt
类 Canvas.AccessibleAWTCanvas

java.lang.Object
  继承者 javax.accessibility.AccessibleContext
      继承者 java.awt.Component.AccessibleAWTComponent
          继承者 java.awt.Canvas.AccessibleAWTCanvas
所有已实现的接口:
Serializable, AccessibleComponent
正在封闭类:
Canvas

protected class Canvas.AccessibleAWTCanvas
extends Component.AccessibleAWTComponent

此类实现对 Canvas 类的可访问性支持。它提供适合 canvas 用户界面元素的 Java Accessibility API 的实现。

从以下版本开始:
1.3
另请参见:
序列化表格

嵌套类摘要
 
从类 java.awt.Component.AccessibleAWTComponent 继承的嵌套类/接口
Component.AccessibleAWTComponent.AccessibleAWTComponentHandler, Component.AccessibleAWTComponent.AccessibleAWTFocusHandler
 
字段摘要
 
从类 java.awt.Component.AccessibleAWTComponent 继承的字段
accessibleAWTComponentHandler, accessibleAWTFocusHandler
 
从类 javax.accessibility.AccessibleContext 继承的字段
ACCESSIBLE_ACTION_PROPERTY, ACCESSIBLE_ACTIVE_DESCENDANT_PROPERTY, ACCESSIBLE_CARET_PROPERTY, ACCESSIBLE_CHILD_PROPERTY, ACCESSIBLE_COMPONENT_BOUNDS_CHANGED, ACCESSIBLE_DESCRIPTION_PROPERTY, ACCESSIBLE_HYPERTEXT_OFFSET, ACCESSIBLE_INVALIDATE_CHILDREN, ACCESSIBLE_NAME_PROPERTY, ACCESSIBLE_SELECTION_PROPERTY, ACCESSIBLE_STATE_PROPERTY, ACCESSIBLE_TABLE_CAPTION_CHANGED, ACCESSIBLE_TABLE_COLUMN_DESCRIPTION_CHANGED, ACCESSIBLE_TABLE_COLUMN_HEADER_CHANGED, ACCESSIBLE_TABLE_MODEL_CHANGED, ACCESSIBLE_TABLE_ROW_DESCRIPTION_CHANGED, ACCESSIBLE_TABLE_ROW_HEADER_CHANGED, ACCESSIBLE_TABLE_SUMMARY_CHANGED, ACCESSIBLE_TEXT_ATTRIBUTES_CHANGED, ACCESSIBLE_TEXT_PROPERTY, ACCESSIBLE_VALUE_PROPERTY, ACCESSIBLE_VISIBLE_DATA_PROPERTY, accessibleDescription, accessibleName, accessibleParent
 
构造方法摘要
protected Canvas.AccessibleAWTCanvas()
           
 
方法摘要
 AccessibleRole getAccessibleRole()
          获取此对象的职责。
 
从类 java.awt.Component.AccessibleAWTComponent 继承的方法
addFocusListener, addPropertyChangeListener, contains, getAccessibleAt, getAccessibleChild, getAccessibleChildrenCount, getAccessibleComponent, getAccessibleDescription, getAccessibleIndexInParent, getAccessibleName, getAccessibleParent, getAccessibleStateSet, getBackground, getBounds, getCursor, getFont, getFontMetrics, getForeground, getLocale, getLocation, getLocationOnScreen, getSize, isEnabled, isFocusTraversable, isShowing, isVisible, removeFocusListener, removePropertyChangeListener, requestFocus, setBackground, setBounds, setCursor, setEnabled, setFont, setForeground, setLocation, setSize, setVisible
 
从类 javax.accessibility.AccessibleContext 继承的方法
firePropertyChange, getAccessibleAction, getAccessibleEditableText, getAccessibleIcon, getAccessibleRelationSet, getAccessibleSelection, getAccessibleTable, getAccessibleText, getAccessibleValue, setAccessibleDescription, setAccessibleName, setAccessibleParent
 
从类 java.lang.Object 继承的方法
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

构造方法详细信息

Canvas.AccessibleAWTCanvas

protected Canvas.AccessibleAWTCanvas()
方法详细信息

getAccessibleRole

public AccessibleRole getAccessibleRole()
获取此对象的职责。

覆盖:
Component.AccessibleAWTComponent 中的 getAccessibleRole
返回:
描述对象职责的 AccessibleRole 的一个实例
另请参见:
AccessibleRole

JavaTM 2 Platform
Standard Ed. 6

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