TdxPDFViewerOptionsZoom.ZoomStep Property

Specifies the value (as a percentage) by which the PDF Viewer control’s zoom factor increases or decreases as a result of all fixed zoom in or out operations.

Declaration

property ZoomStep: Integer read; write; default dxPDFViewerZoomStep;

Property Value

Type	Default
Integer	dxPDFViewerZoomStep

Remarks

Use this property to adjust the absolute change of the ZoomFactor property value as a result of:

• Calling the PDF Viewer control’s ZoomIn or ZoomOut procedure.

• Executing the ZoomIn or ZoomOut command.

• Rotating the mouse wheel up or down by one position while holding down the Ctrl key.

• Pressing the Ctrl+Plus Sign(+) or Ctrl+Minus Sign(-) key combination.

The default ZoomStep property value is dxPDFViewerZoomStep.