GrapeCity.Documents.DX.IUnknown

Interface IUnknown

Namespace

GrapeCity.Documents.DX

Assembly

GcDocs.DX.Windows.dll

Base interface for Component Object Model (COM).

[Guid("00000000-0000-0000-C000-000000000046")]
public interface IUnknown

Methods

AddReference()

Increments the reference count for an interface on this instance.

int AddReference()

Returns

int

The method returns the new reference count.

QueryInterface(ref Guid, out IntPtr)

Queries the supported COM interface on this instance.

HResult QueryInterface(ref Guid guid, out IntPtr comObject)

Parameters

guid Guid

The guid of the interface.

comObject IntPtr

The output COM object reference.

Returns

HResult

If successfull, Ok

Release()

Decrements the reference count for an interface on this instance.

int Release()

Returns

int

The method returns the new reference count.