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IUIAnimationTransitionLibrary::CreateParabolicTransitionFromAcceleration method

Creates a parabolic-acceleration transition.

Syntax


HRESULT CreateParabolicTransitionFromAcceleration(
  [in]   DOUBLE finalValue,
  [in]   DOUBLE finalVelocity,
  [in]   DOUBLE acceleration,
  [out]  IUIAnimationTransition **transition
);

Parameters

finalValue [in]

The value of the animation variable at the end of the transition.

finalVelocity [in]

The velocity at the end of the transition.

acceleration [in]

The acceleration during the transition.

transition [out]

The new parabolic-acceleration 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 parabolic-acceleration transition, the value of the animation variable changes from the initial value to the final value ending at the specified velocity. You can control how quickly the variable reaches the final value by specifying the rate of acceleration.

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

Diagram showing a parabolic-acceleration transition

Requirements

Minimum supported client

Windows 7, Windows Vista and Platform Update for Windows Vista [desktop apps | Windows Store apps]

Minimum supported server

None supported [desktop apps | Windows Store apps]

Header

UIAnimation.h

IDL

UIAnimation.idl

DLL

UIAnimation.dll

See also

IUIAnimationTransition
IUIAnimationTransitionLibrary

 

 

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