I might have some answers to your problem, but first I need to know a few things:
1. Is Photoshop handling you a HWND of a window in which you have to build your plugin´s GUI? (Actually, I´m sure the answer to this question doesn´t really matter, but you never know...) 2. If you make a copy of your dll file with a different name (say, you end up with plugin1.dll and plugin2.dll), can you have both plugins working at the same time with their GUIs showing? (This is the question that matters) I have to say I have no experience with Photoshop plugins BUT I have experience making audio plugins, which are also built as dll files. Some time ago I tried to use FLTK as GUI library for audio plugins, and found the same behaviour you are describing. After some time exploring both FLTK code and the WIN32 API I managed to get it working and the solution is not that complicated, although I must say I haven´t torture-tested it enough. Right now I´m not at my dev PC so I don´t have my code at hand, but as soon as you post an answer to the questions above I should be able to post something more useful. Best regards, Carlos
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