The PdfViewer component support three modes that determine the behavior of the document presenter when interacting with the mouse device, using left click.
The default mode is
Pan which allows you to pan the document on drag over.
TextSelection mode allows you to select text on drag over and to display a caret that can be positioned relative to the text.
None mode disables the mouse interactions and you can neither pan or select.
The available modes are part of the
FixedDocumentViewerModes enumeration and can be set to the
Mode property of
Setting the interaction mode
this.pdfViewer.Mode = FixedDocumentViewerMode.TextSelection;