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IThumbnailProvider interface

Exposes a method for getting a thumbnail image.

Members

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

Methods

The IThumbnailProvider interface has these methods.

MethodDescription
GetThumbnail

Gets a thumbnail image and alpha type.

 

Remarks

The Shell calls IThumbnailProvider::GetThumbnail to obtain an image to use as a representation of the item.

An implementation of this interface for photo thumbnails is supplied in Microsoft Windows as CLSID_PhotoThumbnailProvider. Applications that use the supplied implementation must define a constant CLSID identifier using the GUID {C7657C4A-9F68-40fa-A4DF-96BC08EB3551}.


// {C7657C4A-9F68-40fa-A4DF-96BC08EB3551}
const CLSID CLSID_PhotoThumbnailProvider = {0xC7657C4A, 0x9F68, 0x40fa, {0xA4, 0xDF, 0x96, 0xBC, 0x08, 0xEB, 0x35, 0x51}} ;

The object that implements this interface must also implement one of the following interfaces.

If none of these interfaces is present, IThumbnailProvider is not called.

Requirements

Minimum supported client

Windows Vista [desktop apps only]

Minimum supported server

Windows Server 2008 [desktop apps only]

Header

Thumbcache.h

IDL

Thumbcache.idl

 

 

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