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ICustomAggregateBrowsable Members

Allows you to define a description of a custom aggregate function that appears in the Expression Editor, and validate the number of arguments and their type.


Name Description
Description Specifies the function description that appears in the Expression Editor.
MaxOperandCount Returns the maximum number of operands (parameters) that this function can accept.
MinOperandCount Returns the minimum number of operands (parameters) that this function requires.
Name When implemented by a custom aggregate function, specifies its name. Inherited from ICustomAggregate.


Name Description
CreateEvaluationContext() An object that stores the result’s intermediate state between the Process(Object, Object[]) method calls. Inherited from ICustomAggregate.
GetResult(Object) Gets a custom aggregate function‘s result. Inherited from ICustomAggregate.
IsValidOperandCount(Int32) Determines whether the specified number of operands is acceptable.
IsValidOperandType(Int32, Int32, Type) Determines whether a function accepts an argument (operand) of the specified type.
Process(Object, Object[]) Is called to process every element of a collection supplied to a custom aggregate function. Inherited from ICustomAggregate.
ResultType(Type[]) When implememnted by a custom aggregate function, determines its return value type based on the type of aggregate function parameters. Inherited from ICustomAggregate.
See Also