Package org.eclipse.swt.accessibility
Interface AccessibleValueListener
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- All Superinterfaces:
EventListener
,SWTEventListener
- All Known Implementing Classes:
AccessibleValueAdapter
public interface AccessibleValueListener extends SWTEventListener
Classes which implement this interface provide methods that handle AccessibleValue events.After creating an instance of a class that implements this interface it can be added to an accessible using the
addAccessibleValueListener
method and removed using theremoveAccessibleValueListener
method.- Since:
- 3.6
- See Also:
AccessibleValueAdapter
,AccessibleValueEvent
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Method Summary
All Methods Instance Methods Abstract Methods Modifier and Type Method Description void
getCurrentValue(AccessibleValueEvent e)
Returns the value of this object as a number.void
getMaximumValue(AccessibleValueEvent e)
Returns the maximum value that can be represented by this object.void
getMinimumValue(AccessibleValueEvent e)
Returns the minimum value that can be represented by this object.void
setCurrentValue(AccessibleValueEvent e)
Sets the value of this object to the given number.
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Method Detail
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getCurrentValue
void getCurrentValue(AccessibleValueEvent e)
Returns the value of this object as a number.- Parameters:
e
- an event object containing the following fields:- [out] value - the number that is the current value of this object
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setCurrentValue
void setCurrentValue(AccessibleValueEvent e)
Sets the value of this object to the given number. The argument is clipped to the valid interval whose upper and lower bounds are returned by getMaximumValue and getMinimumValue, i.e. if it is lower than the minimum value the new value will be the minimum, and if it is greater than the maximum then the new value will be the maximum.- Parameters:
e
- an event object containing the following fields:- [in/out] value - on input, the number that will be the new value of this object
- on output, set to null if the value cannot be set
- [in/out] value - on input, the number that will be the new value of this object
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getMaximumValue
void getMaximumValue(AccessibleValueEvent e)
Returns the maximum value that can be represented by this object.- Parameters:
e
- an event object containing the following fields:- [out] value - the number that is the maximum value that this object can represent. If this object has no upper bound then null is returned.
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getMinimumValue
void getMinimumValue(AccessibleValueEvent e)
Returns the minimum value that can be represented by this object.- Parameters:
e
- an event object containing the following fields:- [out] value - the number that is the minimum value that this object can represent. If this object has no lower bound then null is returned.
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