[Rob Walker]

Thanks Peter M. Yes, I tried that too, and agree. The problem is not with the DLL as such but with the HTB 2021 installation. Of course you have to keep changing the MSI Folder Path for the examples to run. DLLs RadioButton, CheckButton, Buttons and Cursor also fail. The ones involving message boxes tend to work. Because FileOpen is one of the first things encountered, I haven’t got far enough with HTB 2021 to find other run-time issues, but I have noticed that the FIND feature in the editor seems to be messed-up; highlighted text is not automatically placed in the search-box (which seems to be pre-filled with garbage).

[Rob Walker]

Slightly tangential to this thread (for which apologies) but still relevant I think: Has anyone tried to use the HTBfileopen DLL with the new demo version HTB 2021? I have, and found it doesn’t work at all. It just produces ERROR 1100 at the DLL LOAD statement. I have raised a support ticket on this issue. I have tried other DLL Toolkit examples (as provided) and found HTBbuttons also fails. There may be others, but some DO work so it’s not that the DLL feature has been blocked for the Demo or anything of that sort.

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