RectangularSelectionTool Class

In This Topic

Visual tool for selecting a rectangular image region in image viewer.

Object Model

Syntax

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

'Declaration

Public Class RectangularSelectionTool
   Inherits Vintasoft.Imaging.UI.VisualTools.UserInteraction.UserInteractionVisualTool
   Implements IRectangularInteractiveObject, IInteractiveObject

public class RectangularSelectionTool : Vintasoft.Imaging.UI.VisualTools.UserInteraction.UserInteractionVisualTool, IRectangularInteractiveObject, IInteractiveObject

public __gc class RectangularSelectionTool : public Vintasoft.Imaging.UI.VisualTools.UserInteraction.UserInteractionVisualTool*, IRectangularInteractiveObject, IInteractiveObject

public ref class RectangularSelectionTool : public Vintasoft.Imaging.UI.VisualTools.UserInteraction.UserInteractionVisualTool^, IRectangularInteractiveObject, IInteractiveObject

Remarks

Rectangular region of image in image viewer can be selected as follows:

place the mouse to the desired position
press the action button (ActionButton) and select the region by holding the action button
release the action button to stop the selection of region

Rectangular region of image in image viewer can be programmatically selected with Rectangle property.

If ActionButton is set to right mouse button, context menu during action can be disabled with the DisableContextMenu property.

Example

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

VB.NET


Class RectangularSelectionToolExample
    Public Sub SetRectangularSelectionToolAsActiveVisualToolOfImageViewer(viewer As Vintasoft.Imaging.UI.ImageViewer)
        ' create an instance of the RectangularSelectionTool class
        Dim rectangularSelectionTool1 As New Vintasoft.Imaging.UI.VisualTools.RectangularSelectionTool()
        ' set the tool as the current tool of the ImageViewer
        viewer.VisualTool = rectangularSelectionTool1
    End Sub
End Class


class RectangularSelectionToolExample
{
    public void SetRectangularSelectionToolAsActiveVisualToolOfImageViewer(
        Vintasoft.Imaging.UI.ImageViewer viewer)
    {
        // create an instance of the RectangularSelectionTool class
        Vintasoft.Imaging.UI.VisualTools.RectangularSelectionTool rectangularSelectionTool1 = 
            new Vintasoft.Imaging.UI.VisualTools.RectangularSelectionTool();
        // set the tool as the current tool of the ImageViewer
        viewer.VisualTool = rectangularSelectionTool1;
    }
}

Inheritance Hierarchy

System.Object
   Vintasoft.Imaging.UI.VisualTools.VisualTool
      Vintasoft.Imaging.UI.VisualTools.UserInteraction.UserInteractionVisualTool
         Vintasoft.Imaging.UI.VisualTools.RectangularSelectionTool
            Vintasoft.Imaging.UI.VisualTools.CropSelectionTool
            Vintasoft.Imaging.UI.VisualTools.DragDropSelectionTool
            Vintasoft.Imaging.UI.VisualTools.ImageProcessingTool
            Vintasoft.Imaging.UI.VisualTools.OverlayImageTool
            Vintasoft.Imaging.UI.VisualTools.RectangularSelectionToolWithCopyPaste
            Vintasoft.Imaging.UI.VisualTools.ZoomSelectionTool

Requirements

Target Platforms: .NET9; .NET 8; .NET 7; .NET 6; .NET Framework 4.8, 4.7, 4.6, 4.5, 4.0, 3.5

Reference

RectangularSelectionTool Members
Vintasoft.Imaging.UI.VisualTools Namespace

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