PdfDocumentSourceSamples
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Demonstrates the major features of C1PdfDocumentSource for UWP.

* Viewer:

Demonstrates how to use C1FlexViewer and C1PdfDocumentSource to create
simple PDF viewer.

* Export:

Demonstrates how C1PdfDocumentSource can be used without a viewer
to export documents from code.

* Print:

Demonstrates how C1PdfDocumentSource can be used without a viewer
to print documents from code.
