IMFSensorGroup::GetDefaultSensorDeviceIndex method (mfidl.h)
Retrieves the index of the default device in the sensor group.
Syntax
HRESULT GetDefaultSensorDeviceIndex(
[out] DWORD *pdwIndex
);
Parameters
[out] pdwIndex
If the call succeeds, pdwIndex receives the index of the default device.
Return value
The method returns an HRESULT. Possible values include, but are not limited to, those in the following table.
| Return code | Description |
|---|---|
|
The method succeeded. |
|
The pdwIndex parameter is null. |
|
The sensor group has not been initialized. |
Remarks
The term "device" in this context could refer to a physical device, a custom media source, or a frame provider.
If this SetDefaultSensorDevice has not been called, the first device in the Sensor Group (i.e. index 0) will be returned.
Requirements
| 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 |