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ICameraControl::put_Roll

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Microsoft DirectShow 9.0

ICameraControl::put_Roll

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

The put_Roll method sets the camera's roll angle.

Syntax

  HRESULT put_Roll(
  long  Value,
  long  Flags
);

Parameters

Value

[in]  Specifies 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.

Flags

[in]  Zero or more flags. See CameraControlFlags. If the CameraControl_Flags_Auto flag is used, the Value parameter is ignored and the camera sets the default value.

Return Values

Returns an HRESULT value.

Requirements

Header: Include Vidcap.h.

Library: Use Strmiids.lib.

See Also