Note
This function will assign evaluated expression values to properties in an existing model.
Gemstone Expressions Library
Value
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.
Definition
Namespace: Gemstone.Expressions.Model
Assembly: Gemstone.Expressions (in Gemstone.Expressions.dll) Version: 1.0.128 -- Release Build+cfed08c7efcabf54b006110ecd862a6bfcb7b819
Generated delegate that will update T instances with default values applied.
Assembly: Gemstone.Expressions (in Gemstone.Expressions.dll) Version: 1.0.128 -- Release Build+cfed08c7efcabf54b006110ecd862a6bfcb7b819
C#
public static Action<T> ApplyDefaults(
IEnumerable<PropertyInfo>? properties = null,
TypeRegistry? typeRegistry = null
)VB
Public Shared Function ApplyDefaults (
Optional properties As IEnumerable(Of PropertyInfo) = Nothing,
Optional typeRegistry As TypeRegistry = Nothing
) As Action(Of T)C++
public:
static Action<T>^ ApplyDefaults(
IEnumerable<PropertyInfo^>^ properties = nullptr,
TypeRegistry^ typeRegistry = nullptr
)JavaScript
Gemstone.Expressions.Model.ValueExpressionParser.ApplyDefaults = function(properties, typeRegistry);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
ActionTGenerated 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.