ReadThumbnail(Stream,CodecsThumbnailOptions,Int32) Method

C#
Visual Basic
WinRT C#
Java
Objective-C
WinRT JavaScript
C++

public RasterImage ReadThumbnail( 
   Stream stream,
   CodecsThumbnailOptions options,
   int pageNumber
)

'Declaration

Public Overloads Function ReadThumbnail( _
   ByVal stream As Stream, _
   ByVal options As CodecsThumbnailOptions, _
   ByVal pageNumber As Integer _
) As RasterImage

'Usage

Dim instance As RasterCodecs
Dim stream As Stream
Dim options As CodecsThumbnailOptions
Dim pageNumber As Integer
Dim value As RasterImage
 
value = instance.ReadThumbnail(stream, options, pageNumber)

public RasterImage ReadThumbnail( 
   Stream stream,
   CodecsThumbnailOptions options,
   int pageNumber
)

- (nullable LTRasterImage *)readThumbnailFromStream:(LTLeadStream *)stream 
                                            options:(LTCodecsThumbnailOptions *)thumbnailOptions 
                                         pageNumber:(NSInteger)pageNumber 
                                              error:(NSError **)error

public RasterImage readThumbnail(ILeadStream stream, CodecsThumbnailOptions options, int pageNumber)

 function Leadtools.Codecs.RasterCodecs.ReadThumbnail(Stream,CodecsThumbnailOptions,Int32)( 
   stream ,
   options ,
   pageNumber 
)

public:
RasterImage^ ReadThumbnail( 
   Stream^ stream,
   CodecsThumbnailOptions options,
   int pageNumber
)

Parameters

stream: A Stream containing the image data from which the thumbnail image will be created.
options: Options for creating the thumbnail image.
pageNumber: 1-based index of the page from which the thumbnail image should be created.

Return Value

The RasterImage object that this method creates.

This method will always return a thumbnail image. Depending on the options passed, this method might read the stamp stored inside EXIF, CMP, JFIF and FlashPix files and return that. To read the file stamp only, use ReadStamp.

For an example, refer to ReadThumbnail.

Target Platforms

Reference

RasterCodecs Class
RasterCodecs Members
Overload List
Thumbnail Browser