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AVEVA™ E3D Design

TABLE OF CONTENTS

Native DLLs

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  • Last UpdatedAug 18, 2026
  • 1 minute read

Native dlls are loaded using loading rules. These are:

  • The directory from which the importing component loaded.

  • The (application's) current directory (where it’s run from)

  • The Windows directory (default: C:\Windows) (we don’t install anything here)

  • The directories that are listed in the PATH environment variable

Therefore normally the %PATH% is used to locate native dlls. This is normally set in evars.bat located in the installation directory. Having different versions of AVEVA_DESIGN_EXE in the %PATH% may cause System.IO.FileLoad exceptions where components are loaded from different directories.

These rules apply to pdms.dll and all dependencies.