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 ProEssentials v10 Help

AllowZooming

Scope

Pego, Pesgo, Pepso

Type

Int32

Default

PEAZ_NONE

.NET

PeUserInterface.Allow.Zooming

Ocx|Vcl

AllowZooming

DLL

PEP_nALLOWZOOMING

 

Purpose

This property controls the built-in zooming capabilities of the object. Related are ZoomLimits and ZoomStyle.

 

The following constants apply to this property:

 

.NET Gigasoft.Enums.

ActiveX and

 

AllowZooming.

DLL Constants

Description

None

PEAZ_NONE(0)

Disable zooming capabilities.

Horizontal

PEAZ_HORIZONTAL(1)

Enable horizontal zooming.

Vertical

PEAZ_VERTICAL(2)

Enable vertical zooming.

HorzAndVert

PEAZ_HORZANDVERT(3)

Enable horizontal and vertical zooming.

HorizontalMb

PEAZ_HORIZONTAL_MB (4)

Middle buton horizontal zooming.

VerticalMb

PEAZ_VERTICAL_MB (5)

Middle button vertical zooming.

HorzAndVertMb

PEAZ_HORZANDVERT_MB (6)

Middle button horizontal and vertical zooming.

 

VCL Graph Enumerations

eAllowZooming = (gNoZooming, gHorzZooming, gVertZooming, gHorzPlusVertZooming, gHorzZoomingMb, gVertZoomingMb, gHorzPlusVertZoomingMb);

 

VCL Scientific Graph Enumerations

eAllowZooming = (sgNoZooming, sgHorzZooming, sgVertZooming, sgHorzPlusVertZooming, sgHorzZoomingMb, sgVertZoomingMb, sgHorzPlusVertZoomingMb);

 

VCL Polar/Smith Enumerations

eAllowZooming = (psNoZooming, psHorzPlusVertZooming);

 

Comments

PeUserInterface.Allow.Zooming members of Pego.PeUserInterface.Allow, Pesgo.PeUserInterface.Allow, Pepso.PeUserInterface.Allow

 

Other related properties include ZoomMode, ZoomMaxTX, ZoomMinTX, ZoomMinX, ZoomMaxX, ZoomMinY, ZoomMaxY, ZoomMinRY, ZoomMaxRY, ZoomMinAxis, ZoomMaxAxis

 

Note that the Polar/Smith object only allows the PEAZ_HORZANDVERT zooming method.

 

See Also: ScrollingHorzZoom, ScrollingVertZoom, ZoomStyle, ZoomLimits, ZoomInterfaceOnly

 

Related events:

.NET: PeZoomIn event
ActiveX: ZoomIn event
SDK/DLL: PEWN_ZOOMIN notification message.

 

Refer to Chapter 7, Question 29 for more information on using this property.