IMFVirtualCamera::AddProperty method (mfvirtualcamera.h)

Adds custom device interface properties to the virtual camera.

Syntax

HRESULT AddProperty(
  const DEVPROPKEY *pKey,
  DEVPROPTYPE      Type,
  const BYTE       *pbData,
  ULONG            cbData
);

pKey

Pointer to a DEVPROPKEY to add to the virtual camera device interface. For more information, see Unified Device Property Model.

Type

Property type for the specified pKey. The DEVPROP_TYPE_NULL and DEVPROP_TYPE_EMPTY types are not supported.

pbData

Pointer to the property data.

cbData

Size in bytes contained in the buffer pointed to by data.

Returns an HRESULT value, including but not limited to the following values:

Error code	Description
S_OK	Succeeded
E_INVALIDARG	An input parameter is invalid.
E_ACCESSDENIED	Caller has insufficient permissions to add properties.

Callers must have administrator-level permissions to use this API. UWP and packaged apps do not have permissions to call this method.

Callers should use caution when adding known Windows device properties as this may have unintended effects.