Events
Nov 19, 11 PM - Nov 21, 11 PM
Gain the competitive edge you need with powerful AI and Cloud solutions by attending Microsoft Ignite online.
Register nowThis browser is no longer supported.
Upgrade to Microsoft Edge to take advantage of the latest features, security updates, and technical support.
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.
HRESULT OnIntegerValueChanged(
[in] IUIAnimationStoryboard *storyboard,
[in] IUIAnimationVariable *variable,
[in] INT32 newValue,
[in] INT32 previousValue
);
[in] storyboard
The storyboard that is animating the animation variable specified by the variable parameter.
[in] variable
The animation variable that has been updated.
[in] newValue
The new value of the animation variable, rounded according to the variable's rounding mode.
[in] previousValue
The previous value of the animation variable, rounded according to the variable's rounding mode.
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.
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:
Requirement | Value |
---|---|
Minimum supported client | Windows 7, Windows Vista and Platform Update for Windows Vista [desktop apps | UWP apps] |
Minimum supported server | None supported |
Target Platform | Windows |
Header | uianimation.h |
DLL | UIAnimation.dll |
IUIAnimationVariable::GetIntegerValue
IUIAnimationVariable::GetPreviousIntegerValue
IUIAnimationVariable::SetRoundingMode
IUIAnimationVariable::SetVariableIntegerChangeHandler
IUIAnimationVariableChangeHandler::OnValueChanged
Events
Nov 19, 11 PM - Nov 21, 11 PM
Gain the competitive edge you need with powerful AI and Cloud solutions by attending Microsoft Ignite online.
Register now