Delegate DeepCopyExpressionCallback

A delegate for creating an expression tree expression that performs a deep-copy from one field or property to another field or property.

The library user can use this delegate via the DeepCopyExpressionCallback property, but would normally only use it indirectly via TypeColumnCopier<TFrom, TTo>.

Namespace: actionETL

Assembly: actionETL.dll

Syntax

public delegate Expression DeepCopyExpressionCallback(TypeDetail sourceTypeDetail, Expression sourceExpression, TypeDetail targetTypeDetail, Expression targetExpression);

Parameters

Type	Name	Description
TypeDetail	sourceTypeDetail	The `TypeDetail` instance for the source field or property.
Expression	sourceExpression	The expression for the source field or property.
TypeDetail	targetTypeDetail	The `TypeDetail` instance for the target field or property.
Expression	targetExpression	The expression for the target field or property.

Returns

Type	Description
Expression	An expression that performs the deep copy of a field or property.