TRichView Reference | TCustomRVPrintPreview

TCustomRVPrintPreview

Properties   Methods   Events

TCustomRVPrintPreview is an ancestor of TRVPrintPreview component. This class draws a blank page, introduces mechanisms of page switching and scaling.

Unit CRVPP;

Syntax

TCustomRVPrintPreview = class(TRVScroller)

Hierarchy

TObject

TPersistent

TComponent

TControl

TWinControl

TCustomControl

TRVScroller

Cursors

Print preview uses two cursors:

▪ZoomInCursor,

▪ZoomOutCursor.

Scaling

Scaling is defined by:

▪ZoomMode property – mode of scaling;

▪ZoomPercent property – scaling percent;

▪SetZoom method changes ZoomPercent;

▪OnZoomChanged event occurs when ZoomPercent changes;

▪ClickMode property allows/disallows zooming.

Page switching

First, Last, Prev, Next methods, PageNo property.

Displaying margins

MarginsPen property

Colors and widths

▪Color – background color;

▪PageBorderColor, PageBorderWidth define border around the page;

▪ShadowColor, ShadowWidth define shadow.

Scheme

TCustomRVPrintPreview