AnnFreeHandSelectionDrawDesigner Class

Summary

Extends the AnnDrawDesigner class, providing functionality for free hand selection when using the AnnSelectionObject on an annotation container.

Syntax

C++

public class AnnFreeHandSelectionDrawDesigner : AnnFreehandDrawDesigner

Public Class AnnFreeHandSelectionDrawDesigner 
   Inherits AnnFreehandDrawDesigner

public: 
   ref class AnnFreeHandSelectionDrawDesigner : AnnFreehandDrawDesigner

Remarks

LEADTOOLS by default uses the rectangle draw designer (AnnRectangleDrawDesigner) with the selection object (AnnSelectionObject). The user can select objects by rubber-banding a rectangle on the annotation container and any object that intersects with the area will be selected.

AnnFreeHandSelectionDrawDesigner can be used instead to allow the user to select objects by drawing a free hand area and selecting the objects inside the area only. This can be done by setting AnnFreeHandSelectionDrawDesigner as the type of the draw designer of AnnAutomationObject for the selected object or by simply using the AnnAutomationManager.UseFreehandSelection property.

Requirements

Target Platforms

Reference

AnnFreeHandSelectionDrawDesigner Members

Leadtools.Annotations.Designers Namespace

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Help Version 21.0.2020.8.21

Leadtools.Annotations.Designers Assembly

Introduction

Getting Started

Namespaces

Leadtools.Annotations.Designers Namespace

Assemblies