Extract only the first page instead off all pages

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   Hi,I have a strange behavior with QuickPDFNet0916x64
In a snippet code i loop through pdf pages and i try to extract them, but instead of having expected pages i have x times the first one.

for( int n = 1; n < TotalPages; n++ )
				{
					int extractPageSuccess = QP.ExtractPages( n, 1 );
					if( extractPageSuccess == 0 )
					{
						log.ErrorFormat( "Unable to extract the page number {0}/{1} from the publication", n, TotalPages );
					}
					else
					{
						string pdfPageFullPath = Path.Combine( PdfLocalDirectory.FullName, index.ToString().PadLeft( 3, '0' ) + ".pdf" );
						QP.SaveToFile( pdfPageFullPath );
						log.InfoFormat( "extract the page number {0}/{1} from the publication", n, TotalPages );
						splittedPages.Add( new FileInfo( pdfPageFullPath ) );
					}
					index++;
				}

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Mimouni Members Profile Find Members Posts Beginner Joined: 10 May 16 Location: France Status: Offline Points: 9	Post Options Post Reply Quote Mimouni Report Post Thanks(0) Quote Reply Topic: Extract only the first page instead off all pages Posted: 10 May 16 at 2:06PM
	Hi, I have a strange behavior with QuickPDFNet0916x64 In a snippet code i loop through pdf pages and i try to extract them, but instead of having expected pages i have x times the first one. for( int n = 1; n < TotalPages; n++ ) { int extractPageSuccess = QP.ExtractPages( n, 1 ); if( extractPageSuccess == 0 ) { log.ErrorFormat( "Unable to extract the page number {0}/{1} from the publication", n, TotalPages ); } else { string pdfPageFullPath = Path.Combine( PdfLocalDirectory.FullName, index.ToString().PadLeft( 3, '0' ) + ".pdf" ); QP.SaveToFile( pdfPageFullPath ); log.InfoFormat( "extract the page number {0}/{1} from the publication", n, TotalPages ); splittedPages.Add( new FileInfo( pdfPageFullPath ) ); } index++; }

Mimouni Members Profile Find Members Posts Beginner Joined: 10 May 16 Location: France Status: Offline Points: 9	Post Options Post Reply Quote Mimouni Report Post Thanks(0) Quote Reply Posted: 10 May 16 at 3:32PM
	we will purchase the last version of QuickPdf(v12) and we hope that will be fine

tfrost Members Profile Find Members Posts Senior Member Joined: 06 Sep 10 Location: UK Status: Offline Points: 437	Post Options Post Reply Quote tfrost Report Post Thanks(0) Quote Reply Posted: 10 May 16 at 5:02PM
	I think you have missed this sentence in the manual for ExtractPages: "If successful, the new document will be selected and the original document will be removed from memory". So after your first extraction, does not the 'current document' become the single-page extract?

Mimouni Members Profile Find Members Posts Beginner Joined: 10 May 16 Location: France Status: Offline Points: 9	Post Options Post Reply Quote Mimouni Report Post Thanks(0) Quote Reply Posted: 10 May 16 at 5:18PM
	Hi tfrost, I'm using the documentation of QuickPdf and I don't find this sentence. The problem is that the same snippet of code worked for older version of QuickPdf and now we have trouble with him

Ingo Members Profile Find Members Posts Moderator Group Joined: 29 Oct 05 Status: Offline Points: 3524	Post Options Post Reply Quote Ingo Report Post Thanks(0) Quote Reply Posted: 10 May 16 at 5:40PM
	Hi Mimouni, please read here: http://www.debenu.com/docs/pdf_library_reference/ExtractPages.php ...and here (tfrost is right): http://www.quickpdf.org/forum/please-help-how-to-extract-pages-from-file_topic2466.html Cheers and welcome here, Ingo
	Cheers, Ingo

Mimouni Members Profile Find Members Posts Beginner Joined: 10 May 16 Location: France Status: Offline Points: 9	Post Options Post Reply Quote Mimouni Report Post Thanks(0) Quote Reply Posted: 10 May 16 at 8:59PM
	Thank you Ingo, If i understood the concept, i should re-select in momory the original pdf document so, i must add a call of selectDocument function in the beginin of each loop?

Ingo Members Profile Find Members Posts Moderator Group Joined: 29 Oct 05 Status: Offline Points: 3524	Post Options Post Reply Quote Ingo Report Post Thanks(0) Quote Reply Posted: 10 May 16 at 9:25PM
	Hi, why not use the much easier ExtractFilePages: http://www.debenu.com/docs/pdf_library_reference/ExtractFilePages.php ...or ExtractFilePageEx? Here you'll find alternatives easier to use: http://www.debenu.com/docs/pdf_library_reference/PageManipulation.php
	Cheers, Ingo

Mimouni Members Profile Find Members Posts Beginner Joined: 10 May 16 Location: France Status: Offline Points: 9	Post Options Post Reply Quote Mimouni Report Post Thanks(0) Quote Reply Posted: 11 May 16 at 7:57AM
	@Ingo: i don't use ExtractFilePages or ExtractFilePageEx because i each iteration i must extract one page and not a range of pages Anyway, i have used ExtractFilePages method and i've had the some bihavior

Mimouni Members Profile Find Members Posts Beginner Joined: 10 May 16 Location: France Status: Offline Points: 9	Post Options Post Reply Quote Mimouni Report Post Thanks(0) Quote Reply Posted: 11 May 16 at 8:30AM
	the fact of re-selecting the document inside the loop, resolve the problem but remains to be seen the memory consumption