Winnovative PDF Next Library for .NET Documentation
Pdf
Asynchronously extracts images from the pages of a PDF document in a stream to image objects starting at a given page number through the end of the document
Definition
Namespace: Winnovative.Pdf.Next
Assembly: Winnovative.Pdf.Next.PdfProcessor (in Winnovative.Pdf.Next.PdfProcessor.dll) Version: 20.0.0
An array of arrays of ExtractedImage objects. Each element in the outer array represents a page in the PDF document and each inner array contains the images extracted from that page. For example, images[1] returns all images extracted from the second page and images[1][2] is the third image from the second page
Assembly: Winnovative.Pdf.Next.PdfProcessor (in Winnovative.Pdf.Next.PdfProcessor.dll) Version: 20.0.0
C#
public Task<ExtractedImage[][]> ExtractImagesAsync(
Stream pdfStream,
int startPageNumber,
CancellationToken ct = default
)Parameters
- pdfStream Stream
- Stream containing the PDF document from which to extract images
- startPageNumber Int32
- Start page number
- ct CancellationToken (Optional)
- A cancellation token that can be used to cancel the asynchronous operation. When cancellation is requested the task returned by this method will complete by throwing OperationCanceledException as soon as possible
Return Value
TaskExtractedImageAn array of arrays of ExtractedImage objects. Each element in the outer array represents a page in the PDF document and each inner array contains the images extracted from that page. For example, images[1] returns all images extracted from the second page and images[1][2] is the third image from the second page