ElementTypeDescriptor Class

Artigo
07/22/2011

Provides additional run-time type information for a ModelElement object.

Inheritance Hierarchy

System.Object
  System.ComponentModel.CustomTypeDescriptor
    Microsoft.VisualStudio.Modeling.Design.ElementTypeDescriptor
      Microsoft.VisualStudio.Modeling.Diagrams.PresentationElementTypeDescriptor
      Microsoft.VisualStudio.Modeling.DslDefinition.ConnectorHasDecoratorsTypeDescriptor
      Microsoft.VisualStudio.Modeling.DslDefinition.Design.DslDefinitionModelElementTypeDescriptor
      Microsoft.VisualStudio.Modeling.DslDefinition.ExplorerBehaviorTypeDescriptor
      Microsoft.VisualStudio.Modeling.DslDefinition.ShapeHasDecoratorsTypeDescriptor
      Microsoft.VisualStudio.Modeling.DslDefinition.XmlSerializationBehaviorTypeDescriptor

Namespace: Microsoft.VisualStudio.Modeling.Design
Assembly: Microsoft.VisualStudio.Modeling.Sdk.10.0 (in Microsoft.VisualStudio.Modeling.Sdk.10.0.dll)

Syntax

'Declaração
Public Class ElementTypeDescriptor _
    Inherits CustomTypeDescriptor

public class ElementTypeDescriptor : CustomTypeDescriptor

public ref class ElementTypeDescriptor : public CustomTypeDescriptor

type ElementTypeDescriptor =  
    class
        inherit CustomTypeDescriptor
    end

public class ElementTypeDescriptor extends CustomTypeDescriptor

The ElementTypeDescriptor type exposes the following members.

Constructors

	Name	Description
	ElementTypeDescriptor(Type)	ctor for creating the wrapper class which represents the MEL type to be consumed
	ElementTypeDescriptor(ModelElement)	Initializes a new instance of the ElementTypeDescriptor class.
	ElementTypeDescriptor(ICustomTypeDescriptor, ModelElement)	Initializes a new instance of the ElementTypeDescriptor class by using a parent custom type descriptor.
	ElementTypeDescriptor(ICustomTypeDescriptor, Type)	ctor for creating the wrapper class which represents the MEL type to be consumed

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Properties

	Name	Description
	ComponentType	Gets the Type of the model element that this class is representing.
	ModelElement	Gets the model element that this class is representing.
	Store

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Methods

	Name	Description
	CollectionRolePropertiesBrowsable	For all the relationships this model element participate, return whether any PropertyDescriptor for Collection properties based on roles is Browsable
	CreateCollectionPropertyDescriptor
	CreatePropertyDescriptor	Creates a descriptor for a property of a model element.
	CreateRolePlayerPropertyDescriptor	Creates a descriptor for a role property of a model element.
	Equals	Determines whether the specified Object is equal to the current Object. (Inherited from Object.)
	Finalize	Allows an object to try to free resources and perform other cleanup operations before it is reclaimed by garbage collection. (Inherited from Object.)
	GetAttributes	Returns a collection of custom attributes for the type represented by this type descriptor. (Inherited from CustomTypeDescriptor.)
	GetCategory	Returns a localized string for the category of a domain property.
	GetClassName	Returns the name of the class this descriptor represents. (Overrides CustomTypeDescriptor.GetClassName().)
	GetComponentName	Gets the name of the model element that is represented by this class. (Overrides CustomTypeDescriptor.GetComponentName().)
	GetConverter	Returns a type converter for the type represented by this type descriptor. (Inherited from CustomTypeDescriptor.)
	GetDefaultEvent	Returns the event descriptor for the default event of the object represented by this type descriptor. (Inherited from CustomTypeDescriptor.)
	GetDefaultProperty	Returns the property descriptor for the default property of the object represented by this type descriptor. (Inherited from CustomTypeDescriptor.)
	GetDescription	Returns a localized string for the description of a domain property.
	GetDisplayProperties(ModelElement, PropertyDescriptor%)	Returns a collection of property descriptors for all the properties of a model element.
	GetDisplayProperties(ModelElement, Store, PropertyDescriptor%)	Returns a list of property descriptors corresponding to each domain property
	GetDomainClassInfo	Return the domain class info for the type of element being described.
	GetDomainPropertyAttributes	Returns an array of the custom attributes that are applied to the described property.
	GetEditor	Returns an editor of the specified type that is to be associated with the class represented by this type descriptor. (Inherited from CustomTypeDescriptor.)
	GetEvents()	Returns a collection of event descriptors for the object represented by this type descriptor. (Inherited from CustomTypeDescriptor.)
	GetEvents(array<Attribute[])	Returns a filtered collection of event descriptors for the object represented by this type descriptor. (Inherited from CustomTypeDescriptor.)
	GetExtensionProperties	Returns the property descriptors for any extension elements
	GetHashCode	Serves as a hash function for a particular type. (Inherited from Object.)
	GetProperties()	Returns a collection of domain property descriptors that contains all the properties of the described type. (Overrides CustomTypeDescriptor.GetProperties().)
	GetProperties(array<Attribute[])	Returns a collection of domain property descriptors that contains all the properties of the described type, filtered by the specified attributes. (Overrides CustomTypeDescriptor.GetProperties(array<Attribute[]).)
	GetPropertyDescriptorDisplayName	Returns a localized string for the display name of a domain property.
	GetPropertyOwner	Returns an object that contains the property described by the specified property descriptor. (Inherited from CustomTypeDescriptor.)
	GetRolePlayerPropertyAttributes	Returns an array of the custom attributes that are applied to the described role property.
	GetType	Gets the Type of the current instance. (Inherited from Object.)
	IncludeCollectionRoleProperties	For all the relationships this model element participate, return whether to provide a PropertyDescriptor for Collection properties based on roles.
	IncludeEmbeddingRelationshipProperties	For the specified model element, returns a value that indicates whether to add properties of the target element of any embedded relationships that do not allow duplicates.
	IncludeOppositeRolePlayerProperties	For the specified model element, returns a value that indicates whether to add role properties for zero-to-one and one-to-one relationships.
	IsPropertyDescriptorReadOnly	Returns a value that indicates whether the described property is read-only.
	MemberwiseClone	Creates a shallow copy of the current Object. (Inherited from Object.)
	ShouldCreateCollectionPropertyDescriptor	For the relationship and the instance level role players involved, return whether to create a property descriptor for the collections
	ShouldCreatePropertyDescriptor	Returns a value that indicates whether a descriptor should be created for the specified domain property.
	ShouldCreateRolePlayerPropertyDescriptor	Returns a value that indicates whether a descriptor should be created for the specified role property.
	ToString	Returns a string that represents the current object. (Inherited from Object.)

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Remarks

This class provides dynamic custom type information for model elements.

The Domain-Specific Language Tools (DSL Tools) use this type to represent the model elements in a domain model. This type controls how an element is handled by the property grid in the domain model and provides methods for working with the described element.

To create a customized element type descriptor, inherit from this class and override one or more of the members.

Observação

If your DSL definition specifies a domain type descriptor for a domain class, then the generated code for the definition will contain a type descriptor, derived from ElementTypeDescriptor, specifically for that domain class. For more information, see Displaying Properties of Related Elements - redirection.

Thread Safety

Any public static (Shared in Visual Basic) members of this type are thread safe. Any instance members are not guaranteed to be thread safe.

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