How To: How to Invoke Default File Assocation Settings in Windows 10/11 [Solved] lazarus / 34-Windows ---------------------------------------------------------------------- zxandris · 2024-12-18 16:28 Would anyone know how to invoke this? I've seen it on some applications that are able to invoke the default "control panel" app for setting default apps for files.  I was wondering if anyone knows how to do this. Any help would be appreciated CJ ---------------------------------------------------------------------- Fibonacci · 2024-12-18 16:39 Code: Pascal  [Select][+][-]window.onload = function(){var x1 = document.getElementById("main_content_section"); if (x1) { var x = document.getElementsByClassName("geshi");for (var i = 0; i uses Windows; procedure OpenDefaultAppsSettings;begin  ShellExecute(0, 'open', 'ms-settings:defaultapps', nil, nil, SW_SHOWNORMAL);end; procedure OpenWith(path: string);begin  ShellExecute(0, 'open', 'rundll32.exe', PChar('shell32.dll,OpenAs_RunDLL '+path), nil, SW_SHOWNORMAL);end; begin  // default apps settings  OpenDefaultAppsSettings;   // "open with..." dialog  OpenWith('C:\yourfile.txt');end.