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IUIAnimationTransitionLibrary::CreateLinearTransitionFromSpeed method

Creates a linear-speed transition.

Syntax

C++


HRESULT CreateLinearTransitionFromSpeed(
  [in]  DOUBLE                 speed,
  [in]  DOUBLE                 finalValue,
  [out] IUIAnimationTransition **transition
);

Parameters

speed [in]: The absolute value of the velocity.
finalValue [in]: The value of the animation variable at the end of the transition.
transition [out]: The new linear-speed transition.

Return value

If the method succeeds, it returns S_OK. Otherwise, it returns an HRESULT error code. See Windows Animation Error Codes for a list of error codes.

Remarks

During a linear-speed transition, the value of the animation variable changes at a specified rate. The duration of the transition is determined by the difference between the initial value and the specified final value.

The figure below shows the effect on an animation variable over time during a linear-speed transition.

Diagram showing the linear transition from speed

Requirements

Minimum supported client	Windows 7, Windows Vista and Platform Update for Windows Vista [desktop apps \| Windows Store apps]
Minimum supported server	None supported
Header	UIAnimation.h
IDL	UIAnimation.idl
DLL	UIAnimation.dll