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