Introduction Today we will learn how to interact with AutoCAD. Select Objects in the Drawing Area You can select objects

Introduction After learning how to draw a line with AutoCAD API, we can use similar way to create other drawable objects

Class Inheritance Tree Firstly, we need to understand how the drawing objects inheritance relationship. Line Drawing 01

Before entering the main topic, I would like to mention some background information. Understand the AutoCAD Object Hiera

01.Start up with the Environment Language: C# IDE: VS2019 CAD: 2019 The relationship between CAD edition and product c

I have applied AutoCAD .NetAPI for writing some tools in the recent several month, but I still have not understand it so