ExpressionForFetchContextCountOnly Method (fetch, context, countFlag)

Returns an expression which will evaluate to the result of executing a fetch request on a context.

Original signature is '+ (NSExpression *)expressionForFetch:(NSExpression *)fetch context:(NSExpression *)context countOnly:(BOOL)countFlag'

Available in Mac OS X v10.5 and later.

Declaration Syntax

Visual Basic

Visual C++

public static NSExpression ExpressionForFetchContextCountOnly(
	NSExpression fetch,
	NSExpression context,
	bool countFlag
)

Public Shared Function ExpressionForFetchContextCountOnly ( _
	fetch As NSExpression, _
	context As NSExpression, _
	countFlag As Boolean _
) As NSExpression

public:
static NSExpression^ ExpressionForFetchContextCountOnly(
	NSExpression^ fetch, 
	NSExpression^ context, 
	bool countFlag
)

Parameters

fetch (NSExpression): An expression that evaluates to an instance of NSFetchRequest.

context (NSExpression): An expression that evaluates to an instance of NSManagedObjectContext.

countFlag (Boolean): If YES, when the new expression is evaluated the managed object context (from context) will perform countForFetchRequest:error: with the fetch request (from fetch). If NO, when the new expression is evaluated the managed object context will perform executeFetchRequest:error: with the fetch request.

Return Value

An expression which will evaluate to the result of executing a fetch request (from fetch) on a managed object context (from context).

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.AppKit (Module: Monobjc.AppKit)