Asks the delegate for the number of children the given item has.
Original signature is '- (NSInteger)browser:(NSBrowser *)browser numberOfChildrenOfItem:(id)item'
Available in Mac OS X v10.6 and later.

Declaration Syntax
Public Delegate Function BrowserNumberOfChildrenOfItemEventHandler ( _
browser As NSBrowser, _
item As Id _
) As NSInteger

Parameters
- browser (NSBrowser)
- The browser.
- item (Id)
- The item that has some number of children.

Return Value
The number of children.

Version Information
- Available in Monobjc Bridge: 10.6 (For Mac OS X 10.6 and later)
Assembly:
Monobjc.AppKit (Module: Monobjc.AppKit)