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Excerpt |
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When user register a application by user choice, there are some registry entries automatically created by windows. By doing the same behaviors like windows, application can be launched automatically by click the clicking associated files. |
Following example shows an example I implemented
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uses System.Win.Registry; . . . Procedure TForm1.FormCreate(Sender: TObject); begin with TRegistry.Create do try RootKey := HKEY_CURRENT_USER; if OpenKey('Software\Classes\.kes', true) then begin WriteString('', '.kes_auto_file'); end; finally Free; end; with TRegistry.Create do try RootKey := HKEY_CURRENT_USER; if OpenKey('Software\Classes\.kes_auto_file\shell\open\command', true) then begin WriteString('', '"' + ParamStr(0) + '" "%1"'); end; finally Free; end; with TRegistry.Create do try RootKey := HKEY_CURRENT_USER; if OpenKey('Software\Microsoft\Windows\CurrentVersion\Explorer\FileExts\.kes\UserChoice', true) then begin WriteString('', 'Applications\EmployeeSurvey.exe'); WriteString('ProgId', '.kes_auto_file'); end; finally Free; end; end; |
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