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home » api » docs » common » ref » com » sun » star » beans

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Elements' Summary

Elements' Details

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:: com :: sun :: star :: beans ::

template struct Optional<T>

Description An optional value of a given type. This structure is used as the type of interface attributes corresponding to instances of Property that have the PropertyAttribute::MAYBEVOID. It might also be useful in other situations, for example as the return type of an interface method.

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Elements' Summary
IsPresent	Marks this structure instance as having an actual value.
Value	The actual value of this structure instance.

Elements' Details

IsPresent boolean IsPresent; Description Marks this structure instance as having an actual value.

Value T Value; Description The actual value of this structure instance. If no actual value is present, a producer of such a structure instance should leave this member defaulted, and a consumer of such a structure instance should ignore the specific value stored in this member.

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