IErrorInfo class com

IErrorInfo is defined by Automation; the following describes how the interface is used in OLE DB. IErrorInfo returns information about an error in addition to the return code. It returns the error message, name of the component and GUID of the interface in which the error occurred, and the name and topic of the Help file that applies to the error.

Inheritance

• Object
• IUnknown
• IErrorInfo

Constructors

IErrorInfo(Pointer<COMObject> ptr)

IErrorInfo.from(IUnknown interface)

factory

Properties

hashCode → int

The hash code for this object.

no setter, inherited

ptr ↔ Pointer<COMObject>

getter/setter pair, inherited

runtimeType → Type

A representation of the runtime type of the object.

no setter, inherited

Methods

addRef() → int

Increments the reference count for an interface pointer to a COM object.

inherited

detach() → void

Detaches the object from the Finalizer.

inherited

getDescription(Pointer<Pointer<Utf16>> pBstrDescription) → int

getGUID(Pointer<GUID> pGUID) → int

getHelpContext(Pointer<Uint32> pdwHelpContext) → int

getHelpFile(Pointer<Pointer<Utf16>> pBstrHelpFile) → int

getSource(Pointer<Pointer<Utf16>> pBstrSource) → int

noSuchMethod(Invocation invocation) → dynamic

Invoked when a nonexistent method or property is accessed.

inherited

queryInterface(Pointer<GUID> riid, Pointer<Pointer<NativeType>> ppvObject) → int

Queries a COM object for a pointer to one of its interface; identifying the interface by a reference to its interface identifier (IID).

inherited

release() → int

Decrements the reference count for an interface on a COM object.

inherited

toInterface(String iid) → Pointer<COMObject>

Cast an existing COM object to a specified interface.

inherited

toString() → String

A string representation of this object.

inherited

Operators

operator ==(Object other) → bool

The equality operator.

inherited