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ICameraControl::get_Roll

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Microsoft DirectShow 9.0

ICameraControl::get_Roll

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

The get_Roll method returns the camera's roll angle.

Syntax

  HRESULT get_Roll(
  long*  pValue,
  long*  pFlags
);

Parameters

pValue

[out]  Receives the roll angle, in degrees. Positive values are clockwise along the image viewing axis, and negative values are counter clockwise. Theoretical values range from –180 degrees to +180 degrees, but the actual range depends on the camera. See ICameraControl::getRange_Roll.

pFlags

[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