Returns the index of the closest character before the given index, and within the given range, that can be placed on a new line when laying out text.
Original signature is '- (NSUInteger)lineBreakBeforeIndex:(NSUInteger)index withinRange:(NSRange)aRange'
Available in Mac OS X v10.0 and later.

C# | Visual Basic | Visual C++ |
public static NSUInteger LineBreakBeforeIndexWithinRange( this NSAttributedString __target, NSUInteger index, NSRange aRange )
<ExtensionAttribute> _ Public Shared Function LineBreakBeforeIndexWithinRange ( _ __target As NSAttributedString, _ index As NSUInteger, _ aRange As NSRange _ ) As NSUInteger
[ExtensionAttribute] public: static NSUInteger LineBreakBeforeIndexWithinRange( NSAttributedString^ __target, NSUInteger index, NSRange aRange )


[Missing <returns> documentation for "M:Monobjc.AppKit.NSAttributedString_AppKitAdditions.LineBreakBeforeIndexWithinRange(Monobjc.Foundation.NSAttributedString,Monobjc.Foundation.NSUInteger,Monobjc.Foundation.NSRange)"]

In Visual Basic and C#, you can call this method as an instance method on any object of type NSAttributedString. When you use instance method syntax to call this method, omit the first parameter.

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