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Windowless Rich Edit Controls

This section contains information about the programming elements used with windowless rich edit controls. The Component Object Model (COM) defines a set of interfaces to support windowless objects. Windowless objects can enter the in-place active state without having their own window, but rather use the window of their container. Consequently, a windowless object uses fewer system resources and gives better performance through faster activation and deactivation. In addition, windowless objects can be nonrectangular and transparent.

Overviews

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About Windowless Rich Edit Controls

A windowless rich edit control, also known as a text services object, is an object that provides the functionality of a rich edit control without providing the window.

 

Functions

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CreateTextServices

The CreateTextServices function creates an instance of a text services object. The text services object supports a variety of interfaces, including ITextServices and the Text Object Model (TOM).

 

Interfaces

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ITextHost

The ITextHost interface is used by a text services object to obtain text host services.

ITextServices

Extends the TOM to provide extra functionality for windowless operation.

 

 

 

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