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Writing 64-bit Add-ins

This topic shows how to create add-ins for the 64-bit version of SOLIDWORKS PDM Professional.

64-bit .NET Add-ins

You must use Microsoft Visual Studio 2005, or later, to create managed (.NET) DLL add-ins. The build target must be set to Any CPU for the DLL to load in both 32-bit and 64-bit hosts. Managed DLL add-ins are added to the vault using the Administration tool.

Native DLL Add-ins

A native 32-bit DLL cannot be loaded into a 64-bit EXE, and a 64-bit native DLL cannot be loaded into a 32-bit EXE. Because SOLIDWORKS PDM Professional gets loaded into both 32- and 64-bit processes, you must build two versions of your add-in, 32-bit and 64-bit.

Native DLL add-ins that are added to the vault on a 64-bit machine also work on a 32-bit machine:

  1. Right-click the Add-ins node in the Administration tool.
  2. Select New Add-in.
  3. Navigate to and open the 64-bit add-in DLL.
  4. In the Properties dialog, select Files in the left pane.
  5. Click Add Files.
  6. Navigate to and open the 32-bit add-in DLL.
  7. Click OK.

SOLIDWORKS PDM Professional creates a single add-in package that contains both 32-bit and 64-bit versions of the add-in. The 32-bit version is loaded in 32-bit processes, and the 64-bit version is loaded in 64-bit processes.



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