IMFCameraOcclusionStateReportCallback::OnOcclusionStateReport method (mfidl.h)

Called by the system when the camera occlusion state changes.

Syntax

HRESULT OnOcclusionStateReport(
  IMFCameraOcclusionStateReport *occlusionStateReport
);

Parameters

occlusionStateReport

An IMFCameraOcclusionStateReport that can be used to obtain the new camera occlusion state.

Return value

If this method succeeds, it returns S_OK. Otherwise, it returns an HRESULT error code.

Remarks

To avoid any possible circular locking situation do not call any IMFCameraOcclusionStateMonitor object methods from this callback function.

Register the callback interface by calling MFCreateCameraOcclusionStateMonitor.

Requirements

See also

MFCreateCameraOcclusionStateMonitor

IMFCameraOcclusionStateReport