Invoked to inform the receiver that the specified change is about to be executed at given indexes for a specified ordered to-many relationship.
Original signature is '- (void)willChange:(NSKeyValueChange)change valuesAtIndexes:(NSIndexSet *)indexes forKey:(NSString *)key'
Available in Mac OS X v10.3 and later.
Declaration Syntax
C# | Visual Basic | Visual C++ |
public virtual void WillChangeValuesAtIndexesForKey( NSKeyValueChange change, NSIndexSet indexes, NSString key )
Public Overridable Sub WillChangeValuesAtIndexesForKey ( _ change As NSKeyValueChange, _ indexes As NSIndexSet, _ key As NSString _ )
public: virtual void WillChangeValuesAtIndexesForKey( NSKeyValueChange change, NSIndexSet^ indexes, NSString^ key )
Parameters
- change (NSKeyValueChange)
- The type of change that is about to be made.
- indexes (NSIndexSet)
- The indexes of the to-many relationship that will be affected by the change.
- key (NSString)
- The name of a property that is an ordered to-many relationship.
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)