IDispatchImplAttribute Class

Reference

Definition

Namespace:: System.Runtime.InteropServices

Assembly:: mscorlib.dll

Source:: IDispatchImplAttribute.cs

Important

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Caution

This attribute is deprecated and will be removed in a future version.

Indicates which IDispatch implementation the common language runtime uses when exposing dual interfaces and dispinterfaces to COM.

public ref class IDispatchImplAttribute sealed : Attribute

[System.AttributeUsage(System.AttributeTargets.Assembly | System.AttributeTargets.Class, Inherited=false)]
public sealed class IDispatchImplAttribute : Attribute

[System.AttributeUsage(System.AttributeTargets.Assembly | System.AttributeTargets.Class, Inherited=false)]
[System.Obsolete("This attribute is deprecated and will be removed in a future version.", false)]
[System.Runtime.InteropServices.ComVisible(true)]
public sealed class IDispatchImplAttribute : Attribute

[<System.AttributeUsage(System.AttributeTargets.Assembly | System.AttributeTargets.Class, Inherited=false)>]
type IDispatchImplAttribute = class
    inherit Attribute

[<System.AttributeUsage(System.AttributeTargets.Assembly | System.AttributeTargets.Class, Inherited=false)>]
[<System.Obsolete("This attribute is deprecated and will be removed in a future version.", false)>]
[<System.Runtime.InteropServices.ComVisible(true)>]
type IDispatchImplAttribute = class
    inherit Attribute

Public NotInheritable Class IDispatchImplAttribute
Inherits Attribute

Inheritance: Object

Attribute
IDispatchImplAttribute

Attributes: AttributeUsageAttribute ObsoleteAttribute ComVisibleAttribute

Remarks

You can apply this attribute to classes or assemblies.

This attribute should only be set when an explicit implementation is required. When you set the attribute to CompatibleImpl, the IDispatch implementation is supplied by passing the type information for the object to COM's CreateStdDispatch API. When you set the attribute to InternalImpl, the IDispatch implementation is supplied by the common language runtime. Setting the attribute to SystemDefinedImpl allows the runtime to choose the appropriate implementation. When using the attribute on an assembly, the attribute applies to all classes defined within the assembly. When using the attribute on an individual class, the attribute applies only to the interfaces exposed by that class and overrides any assembly-level setting.

Constructors

IDispatchImplAttribute(IDispatchImplType)	Initializes a new instance of the `IDispatchImplAttribute` class with specified IDispatchImplType value.
IDispatchImplAttribute(Int16)	Initializes a new instance of the `IDispatchImplAttribute` class with specified IDispatchImplType value.

Properties

TypeId	When implemented in a derived class, gets a unique identifier for this Attribute. (Inherited from Attribute)
Value	Gets the IDispatchImplType value used by the class.

Methods

Equals(Object)	Returns a value that indicates whether this instance is equal to a specified object. (Inherited from Attribute)
GetHashCode()	Returns the hash code for this instance. (Inherited from Attribute)
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(Object)	When overridden in a derived class, returns a value that indicates whether this instance equals a specified object. (Inherited from Attribute)
MemberwiseClone()	Creates a shallow copy of the current Object. (Inherited from Object)
ToString()	Returns a string that represents the current object. (Inherited from Object)

Explicit Interface Implementations

_Attribute.GetIDsOfNames(Guid, IntPtr, UInt32, UInt32, IntPtr)	Maps a set of names to a corresponding set of dispatch identifiers. (Inherited from Attribute)
_Attribute.GetTypeInfo(UInt32, UInt32, IntPtr)	Retrieves the type information for an object, which can be used to get the type information for an interface. (Inherited from Attribute)
_Attribute.GetTypeInfoCount(UInt32)	Retrieves the number of type information interfaces that an object provides (either 0 or 1). (Inherited from Attribute)
_Attribute.Invoke(UInt32, Guid, UInt32, Int16, IntPtr, IntPtr, IntPtr, IntPtr)	Provides access to properties and methods exposed by an object. (Inherited from Attribute)

Applies to

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