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*
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*
* Licensed to the Apache Software Foundation ( ASF ) under one or more
* contributor license agreements . See the NOTICE file distributed
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*/
module com { module sun { module star { module form { module validation {
interface XValidityConstraintListener;
/** specifies a component able to validate (the content of) other components
< p > Validators support simple validity checks and retrieving justifications for
invalidity . < / p >
< p > Validators may additionally support dynamic validity constraints . In such a case ,
the validity of a given value may change , without the value changing itself . < br / >
To be notified about this , interested components should register as XValidityConstraintListener .
@ see XValidatable
*/
interface XValidator : com::sun::star::uno::XInterface
{
/** determines whether the given value is valid
@ param Value
the value to check for validity
@ return
` TRUE ` if and only if the value is considered valid .
*/
boolean isValid( [in] any Value );
/** retrieves a justification for the invalidity of the given value
@ param Value
the value which has been recognized as being invalid
@ return
a human - readable string , which explains why the given value is considered invalid .
*/
string explainInvalid( [in] any Value );
/** registers the given validity listener.
< p > Usually , an XValidatable instance will also add itself as validity listener ,
as soon as the validator is introduced to it . < / p >
< p > Implementations which do not support dynamic validity constraints should simply ignore this
call . < / p >
@ throws com : : sun : : star : : lang : : NullPointerException
if the given listener is ` NULL `
@ see XValidityConstraintListener
*/
void addValidityConstraintListener( [in] XValidityConstraintListener Listener )
raises( com::sun::star::lang::NullPointerException );
/** revokes the given validity listener
@ throws com : : sun : : star : : lang : : NullPointerException
if the given listener is ` NULL `
@ see XValidityConstraintListener
*/
void removeValidityConstraintListener( [in] XValidityConstraintListener Listener )
raises( com::sun::star::lang::NullPointerException );
};
}; }; }; }; };
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Messung V0.5 in Prozent C=89 H=100 G=94
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(vorverarbeitet am 2026-10-06)
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