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ITransformProperty::get_EvaluationFunction

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

Syntax

HRESULT get_EvaluationFunction(
  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 Values

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

Client: Windows Vista

Header: Include gputransformplugin.h and GPUPipelineTime.h.

Library: Use GPUPipelineVC7.lib (for Visual Studio .NET) or GPUPipelineVC8.lib (for Visual Studio 2005).

See Also