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IDXEffect Interface

This topic documents a feature of Visual Filters and Transitions, which is deprecated as of Windows Internet Explorer 9 and obsolete as of Internet Explorer 10.

This interface generically controls transition settings on all transform objects.

IDXEffect Members

Capabilities Retrieves a value that indicates specific capabilities of a transition.
Duration Retrieves the recommended length of time for performing a transition. Sets the suggested duration for the transition.
Progress Retrieves the setting of the transform's IDXEffect::Progress property. Sets the requested progress made on the transform.
StepResolution Retrieves the step size that corresponds to the smallest meaningful change for the IDXEffect::Progress property.

Remarks

Transitions often produce animated images from static images . There could be other animation properties that the transform needs to produce its output. In this case, you should add these properties to the transform custom interface.

There are two variables that control the development of the effect. The IDXEffect::Progress variable is a number from 0.0 to 1.0 that controls the percentage of the transition to complete. Animation effects are often produced by looping over increasing values for IDXEffect::Progress, producing transform output at each step.

The IDXEffect::get_Duration variable is a suggested time, in seconds, that such a stepwise transition should take. In general, it only provides storage of the time value, and has no control over the transform output. It is up to the transform user to see that the transition over IDXEffect::Progress values happens in the suggested time.

This interface inherits from the IDispatch interface.

Interface Information

Stock Implementation dxtrans.dll
Custom Implementation No
Inherits from IDispatch
Header and IDL files dxtrans.h, dxtrans.idl
Minimum availability Internet Explorer 4.0
Minimum operating systems Windows 95, Windows NT 4.0

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