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The various elements of the SDK and some additional external resources are described below. By default, when installing Inventor, you’ll get an SDK folder. To access the SDK information you need to install one or both of the. The DeveloperTools. When this component is installed, it creates the directories that contain the DeveloperTools sub folder which contains the following subfolders. This contains an object model diagram chart that can be useful in understanding the relationships between various objects.

This folder also contains some guidelines to use when creating the user-interface for your Inventor programs. This folder contains several header. Occasionally information in these files is also useful in other circumstances. This folder contains a utility that is currently only used internally and is now obsolete with registry-free add-ins. Samples This folder contains many larger programs written in several different language that demonstrate various ways to access and use Inventor’s API.

The first, called EventWatcher, allows you to specify and watch certain events as they occur within Inventor. This tool is very useful when you’re writing a program that will be using events within Inventor. You can use this tool to better understand the event behavior so you can know how to take advantage of it within your programs. The second, called ThumbnailView, is a small component that lets you extract thumbnail images from Inventor documents without having to go through Inventor.

There’s a readme and some samples that describe and show its use. Wizards This directory no longer contains the wizards installer but now only contains a readme describing the use of the wizards. For those familiar with the previous additional step to install the add-in wizards, the seperate wizards installer is no longer needed because the wizards are installed as part of the SDK installer.

The wizards are used from within Visual Studio to create skeleton Inventor add-in projects. The UserTools. When this component is installed, it creates the directories for the tools that include AddIns and standalone executables. The dll and exe files are installed so you can immiediately use the tools without having to compile any source code. The source code for the tools is also installed which you can use as a sample and also can modify to change and extend the behavior of these tools.

For more details regarding these tools, please refer to the individual “ReadMe. Additional Resources Some other resources are available on the web that contain additional information about Inventor’s API. Autodesk Discussion Groups – Autodesk discussion groups where there are open discussions about all of Autodesk’s products.

Docs This contains an object model diagram chart that can be useful in understanding the relationships between various objects. Include This folder contains several header. References This folder contains a utility that is currently only used internally and is now obsolete with registry-free add-ins. Comment on this page.

 
 

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For those familiar with the previous additional step to install the add-in wizards, the seperate wizards installer is no longer needed because the wizards are installed as part of the SDK installer. The wizards are used from within Visual Studio to create skeleton Inventor add-in projects. The UserTools. When this component is installed, it creates the directories for the tools that include AddIns and standalone executables.

The dll and exe files are installed so you can immiediately use the tools without having to compile any source code. The source code for the tools is also installed which you can use as a sample and also can modify to change and extend the behavior of these tools.

For more details regarding these tools, please refer to the individual “ReadMe. Apprentice is an ActiveX server that can be used by other applications to get access to Inventor data. Apprentice is essentially a subset of Inventor that runs in-process to the application using it. Apprentice doesn’t have a user interface and the only way to interact with it is through its API.

Apprentice provides access to a limited set of full Inventor functionality with the primary areas being assembly structure, B-Rep, geometry, and iProperties. Most access to information through Apprentice is read-only; a couple of exceptions to this are iProperties and file references.

Apprentice is useful in any standalone application that needs access to information contained within Inventor documents. The alternative is to use Inventor. Using Apprentice is much more efficient than using Inventor to perform the same operations because Apprentice is able to run in the same process as your application and because it doesn’t have a user interface it can perform many operations faster.

Another advantage of Apprentice Server is that it’s available at no cost and is available on the public Autodesk website as part of Inventor View. More detailed information about Apprentice can be found in the Apprentice Server section.

A COM Automation interface exposes it functions through a set of objects. A programming object has many similarities to real-world objects. A company that sells chairs might allow a customer to design their own chair by filling out an order form, like the one shown below. The options on the order form define the various properties of the desired chair. By setting the properties to the desired values the customer is able to describe the specific chair they want.

In addition to properties, objects also support methods. Methods are basically instructions that the object understands. In the real world, these are actions you would perform with the chair. For example, you could move the chair, cause it to fold up, or throw it in the trash. In the programming world the objects are smarter and instead of you performing the action you tell the object to perform the action itself; move, fold, and delete. A third aspect of objects is that they can support events.

In the real-world events are equivalent to installing sensors on an object to track when certain things happen to the object. For example, you can attach a sensor to the seat of the chair to be notified whenever anyone sits on it. In the programming world you can use events to be notified when certain things happen within Inventor.

One final concept of object-oriented programming is that of a class. Going back to the chair object, you can think of the class as the order form the customer fills out to describe the specific chair they want. The order form represents the class and the resulting chair is the object, or an instance of the class.

For example, look at the extrude feature shown below. For each extrude feature that you create in a part, there is an ExtrudeFeature programming object that represents it. The ExtrudeFeature object supports various properties and methods that allow you to query and edit the extrusion.

These properties and methods provide equivalent functionality to what you specify when creating and editing an extrude feature the user interface. For example, the ExtrudeFeature object supports the Name property. This is the name of the feature that is displayed in the object browser. You can get the value of this property to see the current name of the feature and you can set the value of this property to change the name of the feature.

The ExtentType property specifies that this is a distance extent. The Operation specifies that this is a “new solid” operation. The Profile returns the sketch information that defines the shape of the feature. These are the API equivalent of the options provided in the mini dialog shown below.

Because the API allows you to do the same things you can do through the user-interface there are strong similarities between the two. Having a good understanding of Inventor from the standpoint of an end-user will make the API easier to understand and use. By gaining access to these objects through the API you can use their various methods, properties, and events to control and react to Inventor. The first concept to understand before going further is the object model.

The full Inventor object model is shown below. You can see that there are a lot of objects, but most programs will use only a small portion of them. The object model is a hierarchical diagram that illustrates the relationships between objects. One of the most important objects in this hierarchy is the Application object. The Application object represents the Inventor application and is the top-most object in the hierarchy. The Application object supports methods and properties that let you control Inventor but most important, it supports properties that return other Inventor objects.

Because of this, once you have the Application object you can access any other object in the hiearchy. The object model picture is useful as a tool because it illustrates how to get from one object to another.

You just need to understand how to traverse the hierarchy to get to the specific object you want. The diagram below illustrates the portion of the object model that is needed to access the part extrude feature, ExtrudeFeature object. These concepts are: obtaining the Application object, traversing the object model, collection objects, and derived objects. The following looks at each of these. The first thing illustrated in the sample is accessing the Application object.

When writing an add-in, when Inventor starts the add-in it passes it the Application object. When writing an exe you need to use other API’s to get the Application object. In this case you can choose to either get the Application object from a running instance of Inventor or to start Inventor and get the Application object from it. Below is some VB. Net exe code that is the equivalent the VBA code above. The first portion of the code uses the.

Net GetActiveObject method to get the Inventor application object. Have Autodesk contact you. Download Free Trial. Thank you. An email is on its way. Select your trial Which product would you like to try? Start Over. Get more tips for successful downloading Just need to view a file? You don’t need to download the software. Let’s get started I will be using this software as: Select one A business user A student or teacher.

Start a trial Get full access to all capabilities and features free for 30 days. Operating system:. Choose your operating system:. This software may not be compatible with your operating system, but you can download it for installation on a different machine. Choose your language:. Good news Autodesk provides software for students and educators worldwide. Download Fusion for personal, hobby use. Get started with a free day trial of Fusion It can provide a starting point from which to examine or modify the model.

This object is described in the Inventor API help. This object is also accessible with the older syntax:.

Gets the model document part or assembly that is shown in a drawing document. If no model document exists, this function returns Nothing. If more than one model document exists, it returns the first one found.

 

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You can use this tool to better understand the event behavior so you can know how to take advantage of it within your programs. The second, called ThumbnailView, is a small component that lets you extract thumbnail images from Inventor documents without having to go through Inventor. There’s a readme and some samples that describe and show its use. This directory no longer contains the wizards installer but now only contains a readme describing the use of the wizards.

For those familiar with the previous additional step to install the add-in wizards, the separate wizards installer is no longer needed because the wizards are installed as part of the SDK installer. The wizards are used from within Visual Studio to create skeleton Inventor add-in projects. Apprentice is installed as part of Inventor and is also installed as part of the freely available Inventor View which can be installed from here.

Documentation and samples are included as part of the Inventor SDK. The Object Model Chart is very useful in understanding what objects are available and how to navigate the object hierarchy to get a desired object. Click here for online version. More than Autodesk Inventor Certified applications are currently available, with more coming every day. Become a partner and unlock a new market for your Autodesk Inventor companion products.

See here for more information about the program. First, we have the SolidWorks to Inventor migration guide, that highlights the similarities between the two APIs, and provides examples outlining the changes that are likely to be required to move from the SolidWorks over to the Inventor platform.

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Platform Technologies. App Store. Certified Apps. Measures the angle between two entities in a part or assembly. It can measure the angle between two axes, two planes, or an axis and a plane. The entities can be work features or iMates. Angle “componentName1”, “entityName1”, “componentName2”, “entityName2”. Measures the angle between two entities in two components at the assembly level.

Angle “point1”, “point2”, “point3”. Measures the angle defined by three points. This value is equivalent to the angle between two lines:. In this case, “point2” is the vertex of the angle. For example:. Each point can be in a different component. Measures the area of a sketch. This function measures the sum of the areas of the regions enclosed by the closed profiles in a sketch. For a single closed profile, the function calculates the area enclosed by the profile:. If the sketch contains multiple closed profiles, the function calculates the sum of the areas enclosed by the profiles:.

If the closed profiles intersect, then the function calculates the sum of the enclosed areas, regardless of whether the areas overlap:. If the sketch contains multiple profiles, with one of the profiles contained completely in the other one, the Measure. Area function returns the difference between the two areas:. Measures the sum of the perimeters of the closed profiles in a sketch. For a sketch containing a single closed profile, this function calculates the length of the perimeter of the profile.

Perimeter “Sketch1”. For a sketch containing non-intersecting multiple closed profiles, the function calculates the sum of the lengths of all profile perimeters:.

For a sketch containing intersecting multiple closed profiles, the function calculates the sum of the lengths of all profile perimeters:. Measures the X, Y, or Z dimensions of the extents in a part or assembly. The extents can be larger than the exact dimensions of the model along that axis, especially if there are curved shapes. Measures the X extent along the red axis of the model.

Measures the Y extent along the green axis of the model. Measures the Z extent along the blue axis of the model. Measure Distance and Angle You can measure the distance or angle between two or three for angle entities. A name can refer to: A work feature such as a work plane, work axis, or work point in a part or assembly.

 
 

 
 
Changes in the SOLIDWORKS, Solid Edge and Autodesk Inventor APIs with Manuals for our software are available via PDF in the Help menu of the software. You can look up the enumerators in the Inventor Programming/API Help for more I’ve been using DebugView (download here) for years to accomplish this. BrowserPanes. BrowserPane. BrowserNode. Browse NodeDefinition. BrowserNodes Enumerator. BrowserNode. Browse Folders Enumerator. Browse Folder.