Gemstone Expressions Library
Default
Defines a C# expression attribute that when evaluated will specify the default value for a property.
Definition
Namespace: Gemstone.Expressions.Model
Assembly: Gemstone.Expressions (in Gemstone.Expressions.dll) Version: 1.0.110 -- Release Build+d9cbb49d009f536d325018112e5411c7c36b5400
Assembly: Gemstone.Expressions (in Gemstone.Expressions.dll) Version: 1.0.110 -- Release Build+d9cbb49d009f536d325018112e5411c7c36b5400
C#
[AttributeUsageAttribute(AttributeTargets.Property)]
public sealed class DefaultValueExpressionAttribute : ValueExpressionAttributeBaseVB
<AttributeUsageAttribute(AttributeTargets.Property)>
Public NotInheritable Class DefaultValueExpressionAttribute
Inherits ValueExpressionAttributeBaseC++
[AttributeUsageAttribute(AttributeTargets::Property)]
public ref class DefaultValueExpressionAttribute sealed : public ValueExpressionAttributeBaseJavaScript
Gemstone.Expressions.Model.DefaultValueExpressionAttribute = function();
Type.createClass(
'Gemstone.Expressions.Model.DefaultValueExpressionAttribute',
Gemstone.Expressions.Model.ValueExpressionAttributeBase);- Inheritance
- Object Attribute ValueExpressionAttributeBase DefaultValueExpressionAttribute
Constructors
| DefaultValueExpressionAttribute | Creates a new DefaultValueExpressionAttribute |
Properties
| Cached |
Gets or sets value that determines if value should be cached after first evaluation.
Defaults to false.
(Inherited from ValueExpressionAttributeBase) |
| EvaluationOrder |
Gets or sets the numeric evaluation order for this expression. Defaults to zero.
(Inherited from ValueExpressionAttributeBase) |
| Expression |
Gets C# expression that will evaluate to the desired value.
(Inherited from ValueExpressionAttributeBase) |
| TypeId | When implemented in a derived class, gets a unique identifier for this Attribute. (Inherited from Attribute) |
| TypeRegistry |
Gets or sets any TypeRegistry to use if the attribute
Expression needs to be pre-parsed.
(Inherited from ValueExpressionAttributeBase) |
Methods
| Equals | Returns a value that indicates whether this instance is equal to a specified object. (Inherited from Attribute) |
| GetExpressionUpdateValue |
Gets the modeled property based value used to update the Expression.
(Inherited from ValueExpressionAttributeBase) |
| GetHashCode | Returns the hash code for this instance. (Inherited from Attribute) |
| GetPropertyUpdateValue |
Gets the Expression based value used to update a modeled property.
(Inherited from ValueExpressionAttributeBase) |
| GetType | Gets the Type of the current instance. (Inherited from Object) |
| IsDefaultAttribute | When overridden in a derived class, indicates whether the value of this instance is the default value for the derived class. (Inherited from Attribute) |
| Match | When overridden in a derived class, returns a value that indicates whether this instance equals a specified object. (Inherited from Attribute) |
| ToString | Returns a string that represents the current object. (Inherited from Object) |