ExtractPagesMem Method

Extracts one or more pages from an in-memory PDF file without using the file system.

Function ExtractPagesMem(InputStream As Variant,
                         From As Long,
                         To As Long) As Variant

Parameters

• InputStream
  Input PDF as a byte array in (VT_ARRAY | VT_UI1) format.
• From
  Page from.
• To
  Page to.

Return Values

The extracted PDF as a byte array in (VT_ARRAY | VT_UI1) format.

Remarks

The page number uses zero-based index, meaning that page number starts from 0.

Example Usage in VB.NET

 Dim oProcessor As PDFProcessor = New PDFProcessor

 Dim inMem() As Byte = File.ReadAllBytes("C:\input.pdf")

    Dim outMem() As Byte = oProcessor.ExtractPagesMem(inMem, 0, 4)

 File.WriteAllBytes("C:\output.pdf", outMem)

Example Usage in C#

PDFProcessor oProcessor = new PDFProcessor();

byte[] inMem = File.ReadAllBytes(@"c:\input.pdf");

   byte[] outMem = (byte[])oProcessor.ExtractPagesMem(inMem, 0, 4);

File.WriteAllBytes(@"c:\output.pdf", outMem);