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GetRasterPdfInfoAsync Method
Summary
Gets information about a page in a raster PDF file contained in a stream created with the PDF support available in the LEADTOOLS PDF Pro, Pro Suite, Document or Medical products.
Syntax
public IAsyncOperation<CodecsRasterPdfInfo> GetRasterPdfInfoAsync(ILeadStream stream,int pageNumber)
Public Function GetRasterPdfInfoAsync( _ByVal stream As ILeadStream, _ByVal pageNumber As Integer _) As IAsyncOperation(Of CodecsRasterPdfInfo)
public IAsyncOperation<CodecsRasterPdfInfo> GetRasterPdfInfoAsync(ILeadStream stream,int pageNumber)
function Leadtools.Codecs.RasterCodecs.GetRasterPdfInfoAsync(stream ,pageNumber)
public:IAsyncOperation<CodecsRasterPdfInfo>^ GetRasterPdfInfoAsync(ILeadStream^ stream,int pageNumber)
Parameters
stream
The input PDF stream.
pageNumber
The 1-based page number.
Return Value
When this method completes, it returns an instance of CodecsRasterPdfInfo containing information about the raster PDF page.
Remarks
The various RasterCodecs.GetInformation methods are used to return information about a raster image file on disk or stream. Information such as the format, size, dimension, bits per pixel are returned as members of the CodecsImageInfo object returned from RasterCodecs.GetInformation.
Raster Adobe PDF saved with the various Save methods (using any of the RasterImageFormat.RasPdfXyz flavors), contain extra information that can be obtained using RasterCodecs.GetRasterPdfInfo. This method returns an instance of CodecsRasterPdfInfo filled with this extra information. Refer to CodecsRasterPdfInfo for more information.
Requirements
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© 1991-2017 LEAD Technologies, Inc. All Rights Reserved.
Leadtools.Codecs Assembly
