Q:
How can I capture the scroll event on the PDFView .NET component?
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A:
Since you are developing using PDFNet for DotNET you can overload
OnScroll callback. PDFView is a regular WinForms control and it
inherits all properties and methods from System.Windows.Forms.Control
(please see MSDN documentation for more information on these events).
Having said this it is typically not necessary to overload OnScroll
event. Instead you can store all coordinates in PDF page or canvas
coordinates (similar to markup example) and let the PDFView control
take care of updating the transformation matrix - i.e.
pdfview.GetDeviceTransform).