FlowDocumentReader::ZoomIncrement Property
Gets or sets the zoom increment.
Assembly: PresentationFramework (in PresentationFramework.dll)
Property Value
Type: System::DoubleThe current zoom increment, interpreted as a percentage. The default is 10.0 (zoom increment of 10%).
The zoom increment is the percentage by which the Zoom level is increased or decreased when the IncreaseZoom or DecreaseZoom commands are executed, respectively.
Default FlowDocumentReader user interface (UI) includes a zoom control that provides buttons for increasing or decreasing the zoom, as well as a slider for adjusting the zoom level. The following figure shows the zoom controls on a FlowDocumentReader with default UI.

Identifier field | |
Metadata properties set to true | None |
The following example shows how to set the ZoomIncrement attribute.
<FlowDocumentReader IsFindEnabled="True" IsPrintEnabled="True" MinZoom="50" MaxZoom="1000" Zoom="120" ZoomIncrement="5" > <FlowDocument> <Paragraph> Flow content... </Paragraph> </FlowDocument> </FlowDocumentReader>
The following example shows how to set the ZoomIncrement property programmatically.
Available since 3.0