Note
This function will assign evaluated expression values to properties in a newly created model.
Gemstone Expressions Library
Value
Generates a delegate that will create new instance of type T applying any specified
DefaultValueAttribute or DefaultValueExpressionAttribute instances that are
declared on the type T properties.
Definition
Namespace: Gemstone.Expressions.Model
Assembly: Gemstone.Expressions (in Gemstone.Expressions.dll) Version: 1.0.128 -- Release Build+cfed08c7efcabf54b006110ecd862a6bfcb7b819
Generated delegate that will create new T instances with default values applied.
Assembly: Gemstone.Expressions (in Gemstone.Expressions.dll) Version: 1.0.128 -- Release Build+cfed08c7efcabf54b006110ecd862a6bfcb7b819
C#
public static Func<T> CreateInstance(
IEnumerable<PropertyInfo>? properties = null,
TypeRegistry? typeRegistry = null
)VB
Public Shared Function CreateInstance (
Optional properties As IEnumerable(Of PropertyInfo) = Nothing,
Optional typeRegistry As TypeRegistry = Nothing
) As Func(Of T)C++
public:
static Func<T>^ CreateInstance(
IEnumerable<PropertyInfo^>^ properties = nullptr,
TypeRegistry^ typeRegistry = nullptr
)JavaScript
Gemstone.Expressions.Model.ValueExpressionParser.CreateInstance = 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
FuncTGenerated delegate that will create new T instances with default values applied.
Remarks
This function is useful for generating a delegate to a compiled function that will create new
objects of type T where properties of the type of have been decorated with
DefaultValueAttribute or DefaultValueExpressionAttribute attributes.
The newly created object will automatically have applied any defined default values as specified by
the encountered attributes.