VintaSoft Tech Community

To be successfully deserialized the annotation code must contain constructor without params like below:

Public Class SymbolAnnotation
Inherits EmbeddedImageAnnotation
...
Public Sub New()

End Sub
...


So we've a bit modificated your code and now you'll be able to deserialize the annotation ...

The point is that there were plenty of changes in SDK architecture since version 5.

So the namespace "VSTwain" does not exist anymore in v7.

VintaSoft created the Upgrading Guide specially to make the upgrading process easier.

Please refer to SDK documentation (can be found in /Help folder ...

Please use the code below:


// Remove selected annotation.
private void RemoveSelectedAnnotation()
{
AnnotationCollection collection = annotationViewer1.Annotations.SelectedCollection;
AnnotationBase annot = collection.SelectedAnnotation;
// remove annotation
collection.SelectedAnnotation ...

Yes. You can simply realize the requested functionality.

Just refer to below FAQs for code examples:
http://www.vintasoft.com/vsbarcode-dotn ... eadFromPdf
http://www.vintasoft.com/vsbarcode-dotn ... adFromTiff

Sincerely

There can be a situation where is needed to draw a text string directly onto a PDF page and save it then to a stream.

Below is an example concept how this can be done:

private void AddTextString(Stream stream)
{
PdfDocument document = PdfDocumentController.OpenDocument(stream);
using ...

It's known that JBIG2 is the most efficient compression for archiving black-and-white multipage images and it can help save up to 90% of disk space in comparison e.g. with multipage TIFF.

But often the main point is the image quality we get after converting to JBIG2. It's also known there are two ...

Hi,

Did you mean an image taken from a metal plate with datamatrix punched on it ?

If not please send your image to VintaSoft Support team.

Regards,

The exactly date is not known at this time.

Most probably next version will be available at the beginning of the 4th quarter.

Regards

There was MaxImages Property in v6 that determines the maximum number of images in the internal images buffer.
So you can avoid memory overflow.

In v7 you should use Capacity and AutoClean Properties for that purpose. Simply read the documentation provided.
Memory usage in V7 is more better ...

You can find the example code in the documentation provided with version 6.0.

Look at Vintasoft.Twain Namespace > VSTwain Class : AcquireModal Method

Regards