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NF:uianimation.IUIAnimationVariableIntegerChangeHandler.OnIntegerValueChanged

IUIAnimationVariableIntegerChangeHandler::OnIntegerValueChanged (uianimation.h)

Handles events that occur when the value of an animation variable changes. (IUIAnimationVariableIntegerChangeHandler.OnIntegerValueChanged)

IUIAnimationVariableIntegerChangeHandler interface [Windows Animation]

OnIntegerValueChanged method

IUIAnimationVariableIntegerChangeHandler.OnIntegerValueChanged

IUIAnimationVariableIntegerChangeHandler::OnIntegerValueChanged

OnIntegerValueChanged

OnIntegerValueChanged method [Windows Animation]

IUIAnimationVariableIntegerChangeHandler interface

uianimation.iuianimationvariableintegerchangehandler_onintegervaluechanged

uianimation/IUIAnimationVariableIntegerChangeHandler::OnIntegerValueChanged

uianimation\iuianimationvariableintegerchangehandler_onintegervaluechanged.htm

UIAnimation

e12224a2-c8f3-45eb-a254-d624de16e12d

12/05/2018

IUIAnimationVariableIntegerChangeHandler interface [Windows Animation],OnIntegerValueChanged method, IUIAnimationVariableIntegerChangeHandler.OnIntegerValueChanged, IUIAnimationVariableIntegerChangeHandler::OnIntegerValueChanged, OnIntegerValueChanged, OnIntegerValueChanged method [Windows Animation], OnIntegerValueChanged method [Windows Animation],IUIAnimationVariableIntegerChangeHandler interface, uianimation.iuianimationvariableintegerchangehandler_onintegervaluechanged, uianimation/IUIAnimationVariableIntegerChangeHandler::OnIntegerValueChanged

uianimation.h

Windows

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

None supported

UIAnimation.idl

UIAnimation.dll

Windows

19H1

IUIAnimationVariableIntegerChangeHandler::OnIntegerValueChanged

uianimation/IUIAnimationVariableIntegerChangeHandler::OnIntegerValueChanged

c++

APIRef

kbSyntax

COM

UIAnimation.dll

IUIAnimationVariableIntegerChangeHandler.OnIntegerValueChanged

IUIAnimationVariableIntegerChangeHandler::OnIntegerValueChanged

-description

Handles events that occur when the value of an animation variable changes.

This method receives updates as INT32 values. To receive updates as DOUBLE values, use the IUIAnimationVariableChangeHandler::OnValueChanged method.

-parameters

-param storyboard [in]

The storyboard that is animating the animation variable specified by the variable parameter.

-param variable [in]

The animation variable that has been updated.

-param newValue [in]

The new value of the animation variable, rounded according to the variable's rounding mode.

-param previousValue [in]

The previous value of the animation variable, rounded according to the variable's rounding mode.

-returns

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

The rounding mode for an animation variable is specified using the IUIAnimationVariable::SetRoundingMode method.

OnIntegerValueChanged events might occur less frequently than OnValueChanged events because values such as 2.2, 2.3, 2.4 would all be rounded to the same integer.

By default, a call made in a callback method to any other animation method results in the call failing and returning UI_E_ILLEGAL_REENTRANCY. However, there are exceptions to this default. The following methods can be successfully called from OnIntegerValueChanged: