IMFCameraControlDefaults::GetRangeInfo method (mfidl.h)

Gets information about the accepted range, step value, and default value for a camera control.

Syntax

HRESULT GetRangeInfo(
  MF_CAMERA_CONTROL_RANGE_INFO *rangeInfo
);

Parameters

rangeInfo

Receives a pointer to a MF_CAMERA_CONTROL_RANGE_INFO structure representing the range information for the control.

Return value

An HRESULT including the following:

| Value | Description | | S_OK | Success | | MF_E_NOT_FOUND | The control does not support basic range values. |

Remarks

The legacy PROPSETID_VIDCAP_VIDEOPROCAMP and PROPSETID_VIDCAP_CAMERACONTROL control sets provide an allowed range and step value of with which a control can be configured, as well as a default value. For other controls, the caller is responsible for knowing whether the underlying control supports the basic range information.

Requirements