ZoomTool Class

In This Topic

Represents a visual tool for zooming of image in image viewer.

Object Model

Syntax

'Declaration

Public Class ZoomTool
   Inherits VisualTool

public class ZoomTool : VisualTool

public __gc class ZoomTool : public VisualTool*

public ref class ZoomTool : public VisualTool^

Remarks

Image in image viewer can be zoomed-in as follows:

place the mouse to the desired position
press Zoom-in button (ZoomInButton) to zoom-in the image

Image in image viewer can be zoomed-out as follows:

place the mouse to the desired position
press Zoom-out button (ZoomOutButton) to zoom-out the image

Example

This C#/VB.NET code shows how to set the ZoomTool as active visual in ImageViewer.

VB.NET


Class ZoomToolExample
    Public Sub SetZoomToolAsActiveVisualToolOfImageViewer(viewer As Vintasoft.Imaging.UI.ImageViewer)
        ' create an instance of the ZoomTool class
        Dim zoomTool1 As New Vintasoft.Imaging.UI.VisualTools.ZoomTool()
        ' set the tool as the current tool of the ImageViewer
        viewer.VisualTool = zoomTool1
    End Sub
End Class


class ZoomToolExample
{
    public void SetZoomToolAsActiveVisualToolOfImageViewer(
        Vintasoft.Imaging.UI.ImageViewer viewer)
    {
        // create an instance of the ZoomTool class
        Vintasoft.Imaging.UI.VisualTools.ZoomTool zoomTool1 = 
            new Vintasoft.Imaging.UI.VisualTools.ZoomTool();
        // set the tool as the current tool of the ImageViewer
        viewer.VisualTool = zoomTool1;
    }
}

Inheritance Hierarchy

System.Object
Vintasoft.Imaging.UI.VisualTools.VisualTool
Vintasoft.Imaging.UI.VisualTools.ZoomTool

Requirements

Target Platforms: .NET 10; .NET 9; .NET 8; .NET 7; .NET 6; .NET Framework 4.8, 4.7, 4.6, 4.5, 4.0, 3.5

Reference

ZoomTool Members
Vintasoft.Imaging.UI.VisualTools Namespace

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