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ValueExpressionParserTApplyDefaults(IEnumerablePropertyInfo, TypeRegistry) Method

Generates a delegate that will update an instance of type T applying any specified DefaultValueAttribute or DefaultValueExpressionAttribute instances that are declared on the type T properties. Target T instance is accepted as the parameter to the returned delegate ActionT.

Namespace: GSF.ComponentModel
Assembly: GSF.Core (in GSF.Core.dll) Version: 2.4.218-beta+101eee949414e414795e55a6e73d88938f0177b8
Syntax
public static Action<T> ApplyDefaults(
	IEnumerable<PropertyInfo> properties = null,
	TypeRegistry typeRegistry = null
)
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Parameters

properties  IEnumerablePropertyInfo  (Optional)
Specific properties to target, or null to target all properties.
typeRegistry  TypeRegistry  (Optional)
Type registry to use when parsing DefaultValueExpressionAttribute instances, or null to use DefaultTypeRegistry.

Return Value

ActionT
Generated delegate that will update T instances with default values applied.
Remarks
This function is useful for generating a delegate to a compiled function that will update objects of type T where properties of the type of have been decorated with DefaultValueAttribute or DefaultValueExpressionAttribute attributes. The updated object will automatically have applied any defined default values as specified by the encountered attributes.
Note  Note
This function will assign evaluated expression values to properties in an existing model.
See Also