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NF:uianimation.IUIAnimationVariable.SetVariableChangeHandler |
IUIAnimationVariable::SetVariableChangeHandler (uianimation.h) |
Specifies a variable change handler. This handler is notified of changes to the value of the animation variable. |
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uianimation\iuianimationvariable_setvariablechangehandler.htm |
UIAnimation |
d773a59f-10a5-41e4-92f1-af72d8d15105 |
12/05/2018 |
IUIAnimationVariable interface [Windows Animation],SetVariableChangeHandler method, IUIAnimationVariable.SetVariableChangeHandler, IUIAnimationVariable::SetVariableChangeHandler, SetVariableChangeHandler, SetVariableChangeHandler method [Windows Animation], SetVariableChangeHandler method [Windows Animation],IUIAnimationVariable interface, uianimation.iuianimationvariable_setvariablechangehandler, uianimation/IUIAnimationVariable::SetVariableChangeHandler |
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 |
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Specifies a variable change handler. This handler is notified of changes to the value of the animation variable.
A variable change handler.
The specified object must implement the IUIAnimationVariableChangeHandler interface or be NULL.
See Remarks.
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.
Passing NULL for the handler parameter causes Windows Animation to release its reference to any handler object you passed in earlier. This technique can be essential for breaking reference cycles without having to call the IUIAnimationManager::Shutdown method.