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IUIAnimationVariableChangeHandler interface

Defines a method for handling events related to animation variable updates.

When to implement

Client applications implement an IUIAnimationVariableChangeHandler handler to receive notifications when the value of an animation variable changes. To set this handler for an animation variable, use IUIAnimationVariable::SetVariableChangeHandler.

Members

The IUIAnimationVariableChangeHandler interface inherits from the IUnknown interface. IUIAnimationVariableChangeHandler also has these types of members:

Methods

The IUIAnimationVariableChangeHandler interface has these methods.

MethodDescription
OnValueChanged

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

 

Remarks

OnValueChanged receives animation variable value updates as DOUBLE values. To receive value updates as INT32 values, use IUIAnimationVariableIntegerChangeHandler::OnIntegerValueChanged.

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

IID

IID_IUIAnimationVariableChangeHandler is defined as 6358B7BA-87D2-42d5-BF71-82E919DD5862

See also

IUIAnimationVariable::GetValue
IUIAnimationVariable::SetVariableChangeHandler

 

 

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