ITransformProperty::get_EvaluationFunction method

The get_EvaluationFunction method retrieves the evaluation function used for a transform.

Syntax

HRESULT get_EvaluationFunction(
  [out] EVALUATION_CURVE_TYPE *peFunction
);

Parameters

peFunction [out]

A value from the EVALUATION_CURVE_TYPE enumeration describing the evaluation function used to calculate intermediary data between property points.

Return value

The method returns an HRESULT of S_OK for success, or a standard COM error code for failure.

Remarks

The default curve value, if not specified, is StepEvaluation.

Requirements

Minimum supported client	Windows Vista [desktop apps only]
Minimum supported server	Windows Server 2008 [desktop apps only]
Header	GPUPipelineTime.h
Library	GPUPipelineVC8.lib (Visual Studio 2005); GPUPipelineVC7.lib (Visual Studio .NET)

See also

ITransformProperty Interface