ValidateValueForKeyError Method (ioValue, key, outError)

Returns a Boolean value that indicates whether the value specified by a given pointer is valid for the property identified by a given key.

Original signature is '- (BOOL)validateValue:(id *)ioValue forKey:(NSString *)key error:(NSError **)outError'

Available in Mac OS X v10.3 and later.

Declaration Syntax

Visual Basic

Visual C++

public virtual bool ValidateValueForKeyError(
	out Id ioValue,
	NSString key,
	out NSError outError
)

Public Overridable Function ValidateValueForKeyError ( _
	<OutAttribute> ByRef ioValue As Id, _
	key As NSString, _
	<OutAttribute> ByRef outError As NSError _
) As Boolean

public:
virtual bool ValidateValueForKeyError(
	[OutAttribute] Id^% ioValue, 
	NSString^ key, 
	[OutAttribute] NSError^% outError
)

Parameters

ioValue (Id%): A pointer to a new value for the property identified by key. This method may modify or replace the value in order to make it valid.

key (NSString): The name of one of the receiver's properties. The key must specify an attribute or a to-one relationship.

outError (NSError%): If validation is necessary and ioValue is not transformed into a valid value, upon return contains an NSError object that describes the reason that ioValue is not a valid value.

Return Value

YES if *ioValue is a valid value for the property identified by key, or of the method is able to modify the value to *ioValue to make it valid; otherwise NO.

Version Information

Available in Monobjc Bridge: 10.6 (For Mac OS X 10.6 and later), 10.5 (For Mac OS X 10.5 and later)

Assembly: Monobjc.Foundation (Module: Monobjc.Foundation)