Hide Table of Contents

Using .NET Framework 4.0 in Stand-alone Applications

If your project uses the .NET Framework 4.0 primary interop assembly provided with SolidWorks Enterprise PDM:

  • Reference EPDM.Interop.epdm.dll by:
    1. Right-clicking the project name in the Solution Explorer.
    2. Selecting Add Reference.
    3. Selecting Framework in the left-side panel.
    4. Clicking the Browse button and navigating to the top folder of your SolidWorks Enterprise PDM installation, typically C:\Program Files\SolidWorks Enterprise PDM.
    5. Locating and selecting EPDM.Interop.epdm.dll.
    6. Clicking Open.
    7. Clicking Add.
    8. Clicking  Close.
  • Include the following statements in your code:
    • VB.NET: Imports EPDM.Interop.epdm
    • C#: using EPDM.Interop.epdm
  • Change the version of .NET Framework and the target CPU by clicking:
    •  VB.NET:
      • Project > your_project_name Properties > Compile > Advanced Compile Options and setting:
        • Target CPU to AnyCPU
        • Target framework (all configurations) to .NET Framework 4
    • C#:
      • Project > your_project_name Properties > Application and setting Target framework to .NET Framework 4
      • Project > your_project_name Properties > Build and setting Platform target to Any CPU
  • Prevent calls to SolidWorks Enterprise PDM API methods that pass arrays of structures from failing by:
    1. Opening the project in Visual Studio 2010.
    2. Right-clicking References > EPDM.Interop.epdm in the Solution Explorer and selecting Properties.
    3. Setting Embed Interop Types to False in Properties.
    4. Initializing arrays of structures in your code to:
      • VB.NET: Nothing
      • C#: null


See Also

Using .NET Framework 4.0 in Add-in Applications

Provide feedback on this topic

SOLIDWORKS welcomes your feedback concerning the presentation, accuracy, and thoroughness of the documentation. Use the form below to send your comments and suggestions about this topic directly to our documentation team. The documentation team cannot answer technical support questions. Click here for information about technical support.

* Required

Subject:   Feedback on Help Topics
Page:   Using .NET Framework 4.0 in Stand-alone Applications
*   I acknowledge I have read and I hereby accept the privacy policy under which my Personal Data will be used by Dassault Systèmes

Print Topic

Select the scope of content to print:


We have detected you are using a browser version older than Internet Explorer 7. For optimized display, we suggest upgrading your browser to Internet Explorer 7 or newer.

 Never show this message again

Web Help Content Version: API Help (English only) 2014 SP05

To disable Web help from within SOLIDWORKS and use local help instead, click Help > Use SOLIDWORKS Web Help.

To report problems encountered with the Web help interface and search, contact your local support representative. To provide feedback on individual help topics, use the “Feedback on this topic” link on the individual topic page.