ICameraControl::getRange_IrisRelative

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Microsoft DirectShow 9.0

ICameraControl::getRange_IrisRelative

This topic applies only to Windows XP Service Pack 2 and later.

The getRange_IrisRelative method returns the range of relative aperture settings supported by the camera. The relative aperture is expressed as a number of steps, where the size of each step depends on the camera model.

Syntax

  HRESULT getRange_IrisRelative(
  long*  pMin,
  long*  pMax,
  long*  pSteppingDelta,
  long*  pDefault,
  long*  pCapsFlag
);

Parameters

pMin

[out]  Receives the minimum relative aperture setting.

pMax

[out]  Receives the maximum relative aperture setting.

pSteppingDelta

[out]  Receives the smallest step between settings.

pDefault

[out]  Receives the default relative aperture setting.

pCapsFlag

[out]  Receives one or more flags. See CameraControlFlags.

Return Values

Returns an HRESULT value.

Requirements

Header: Include Vidcap.h.

Library: Use Strmiids.lib.

See Also