Early Preview

This is currently very much a preview. Please feel free to try things out, but don't be upset if anything is not yet working. Feedback is welcome over on our GitHub Dicussions page.

enum System.Runtime.InteropServices.CustomQueryInterfaceResult

Assembly: System.Runtime.InteropServices

Provides return values for the <see cref="M:System.Runtime.InteropServices.ICustomQueryInterface.GetInterface(System.Guid@,System.IntPtr@)" /> method.

Values

Handled

The interface pointer that is returned from the <see cref="M:System.Runtime.InteropServices.ICustomQueryInterface.GetInterface(System.Guid@,System.IntPtr@)" /> method can be used as the result of IUnknown::QueryInterface.

NotHandled

The custom <see langword="QueryInterface" /> was not used. Instead, the default implementation of IUnknown::QueryInterface should be used.

Failed

The interface for a specific interface ID is not available. In this case, the returned interface is <see langword="null" /> . E_NOINTERFACE is returned to the caller of IUnknown::QueryInterface.