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Frage / Problem

How can I prevent a file from being opened in the TJamShellList?

Antwort / Lösung

Assign the OnKeyDown event with this content:
if Key = vk_Return then Key := 0;

To prevent the automatic handling of a double click, simply add an OnDblClick event handler.

Or, you can use the OnBeforeShellCommand event and use the AllowExecute parameter to prevent the execution. The Command parameter when opening a file will be "default" or "open".