UpdateZoomFrom Method (IImGearPageDisplay)

In This Topic

Updates image zoom attributes.

Syntax

Visual Basic
C#
Managed Extensions for C++
C++/CLI

'Declaration
 
Sub UpdateZoomFrom( _
   ByVal zoomInfo As ImGearZoomInfo _
)

'Usage
 
Dim instance As IImGearPageDisplay
Dim zoomInfo As ImGearZoomInfo
 
instance.UpdateZoomFrom(zoomInfo)

void UpdateZoomFrom( 
   ImGearZoomInfo zoomInfo
)

void UpdateZoomFrom( 
   ImGearZoomInfo zoomInfo
)

void UpdateZoomFrom( 
   ImGearZoomInfo zoomInfo
)

Parameters

zoomInfo: ImGearZoomInfo object with new zoom attributes.

Example

C#
Visual Basic

// Get the current Zoom settings
ImGearZoomInfo igZoomInfo =
    imGearPageView.Display.GetZoomInfo(imGearPageView);
// Change zoom to fixed to disable any current Fit modes.
igZoomInfo.Horizontal.Fixed = true;
igZoomInfo.Vertical.Fixed = true;
// Double the current zoom level.
igZoomInfo.Horizontal.Value *= 2;
igZoomInfo.Vertical.Value *= 2;
imGearPageView.Display.UpdateZoomFrom(igZoomInfo);
// Cause a redraw with the new zoom.
imGearPageView.Invalidate();

'Get the current Zoom settings
Dim igZoomInfo As ImGearZoomInfo = _
    ImGearPageView1.Display.GetZoomInfo(ImGearPageView1)
'Change zoom to fixed to disable any current Fit modes.
igZoomInfo.Horizontal.Fixed = True
igZoomInfo.Vertical.Fixed = True
'Double the current zoom level.
igZoomInfo.Horizontal.Value *= 2
igZoomInfo.Vertical.Value *= 2
ImGearPageView1.Display.UpdateZoomFrom(igZoomInfo)
'Cause a redraw with the new zoom.
ImGearPageView1.Invalidate()

Reference

IImGearPageDisplay Interface
IImGearPageDisplay Members
ImGearZoomInfo Structure

Get Product Support