IImageDecoder::GetThumbnail (Windows Embedded CE 6.0)
1/6/2010
This method asks the decoder for a thumbnail of the current image. If the image does not contain thumbnail data, the decoder returns an error code.
Syntax
HRESULT GetThumbnail(
OPTIONAL UINT thumbWidth,
OPTIONAL UINT thumbHeight,
IImage** thumbImage
);
Parameters
- thumbWidth
[in] An optional UINT value specifying the horizontal size, in pixels, of the thumbnail image. For more information, see the Remarks section.
- thumbHeight
[in] An optional UINT value specifying the vertical size, in pixels, of the thumbnail image. For more information, see the Remarks section.
- thumbImage
[out] A pointer to the resulting IImage interface pointer for the thumbnail image.
Return Value
If successful, this method returns S_OK.
This method may return E_NOTIMPL if it fails.
Remarks
The decoder is not required to return a thumbnail image with the exact dimensions specified by thumbWidth and thumbHeight. These values are used only as hints.
If thumbWidth and thumbHeight are set to 0, the decoder determines the thumbnail size.
Requirements
| Header | imaging.h |
| Library | Imaging.lib |
| Windows Embedded CE | Windows CE 5.0 and later |