IMFSensorGroup::SetDefaultSensorDeviceIndex method (mfidl.h)

Configures one of the devices in the sensor group as the default device.

Syntax

HRESULT SetDefaultSensorDeviceIndex(
  DWORD dwIndex
);

dwIndex

0-based index of the device to be set as default. The index must be between 0 and the value returned by GetSensorDeviceCount - 1.

The method returns an HRESULT. Possible values include, but are not limited to, those in the following table.

Return code	Description
S_OK	The method succeeded.
MF_E_INVALID_INDEX	the dwIndex parameter is not in the valid range.
MF_E_NOT_INITIALIZED	The sensor group has not been initialized.

The term "device" in this context could refer to a physical device, a custom media source, or a frame provider.

If this method is not called, the first device in the Sensor Group (i.e. the device with index 0) will be used.

Requirement	Value
Minimum supported client	Windows 10, version 1607 [desktop apps only]
Minimum supported server	None supported
Target Platform	Windows
Header	mfidl.h
Library	Mfplat.lib; Mfplat.dll