TdxPDFViewerOptionsZoom Class

Stores the PDF Viewer control’s zoom settings.

Declaration

TdxPDFViewerOptionsZoom = class(
    TdxPDFViewerOptionsPersistent
)

This class implements a public API for the PDF Viewer control’s zooming functionality in addition to multiple zoom-related commands.

The TdxPDFViewerOptionsZoom class provides the following members that allow you to:

Zoom the PDF document view in our out (ZoomFactor).
Adjust the lower and upper bounds of the PDF Viewer’s zooming range (MinZoomFactor and MaxZoomFactor).
Switch between available zoom factor calculation modes (ZoomMode).
Adjust the zoom factor increment/decrement for all fixed zoom in/out operations (ZoomStep).