C# plugin making
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Install the SDK and this should appear in the new projects selection:
So far I've only got it to work in VS2017.
And you may not have all the Windows references, so you may have to add them by hand...
...alternatively add a form and the IDE should bring in the required references.
You will get some sources which look like this:
/// This is the primary AddIn Server class that implements the ApplicationAddInServer interface
/// that all Inventor AddIns are required to implement. The communication between Inventor and
/// the AddIn is via the methods on this interface.
public class StandardAddInServer : Inventor.ApplicationAddInServer
// Inventor application object.
private Inventor.Application m_inventorApplication;
#region ApplicationAddInServer Members
public void Activate(Inventor.ApplicationAddInSite addInSiteObject, bool firstTime)
// This method is called by Inventor when it loads the addin.
// The AddInSiteObject provides access to the Inventor Application object.
// The FirstTime flag indicates if the addin is loaded for the first time.
// Initialize AddIn members.
m_inventorApplication = addInSiteObject.Application;
// TODO: Add ApplicationAddInServer.Activate implementation.
public void Deactivate()
// This method is called by Inventor when the AddIn is unloaded.
// The AddIn will be unloaded either manually by the user or
// when the Inventor session is terminated
// TODO: Add ApplicationAddInServer.Deactivate implementation
// Release objects.
m_inventorApplication = null;
public void ExecuteCommand(int commandID)
// Note:this method is now obsolete, you should use the
// ControlDefinition functionality for implementing commands.
public object Automation
// This property is provided to allow the AddIn to expose an API
// of its own to other programs. Typically, this would be done by
// implementing the AddIn's API interface in a class and returning
// that class object through this property.
// TODO: Add ApplicationAddInServer.Automation getter implementation
Text, images and diagrams © 2021 Owen F. Ransen. All rights reserved. (But copy the source code as much as you want!)