<DiskFile variable>.Lock (Function) Entirely or partially locks an external file. hFileParameter (Variable type) The type hFileParameter type is used to define the tables taken into account by a scheduled optimization task. <Thread>.SendSignal (Function) The current thread sends a signal to the specified thread in order to unlock it. HFSQL Client/Server functions (prefix syntax) Several HFSQL functions are used to manage the HFSQL Client/Server data... WEBDEV 2025: New WLanguage features In version 2025, new functions, properties and data types have been introduced and some have been improved, ... WINDEV 2025: New WLanguage features In version 2025, new functions, properties and data types have been introduced and some have been improved, ... WINDEV Mobile 2025: New WLanguage features In version 2025, new functions, properties and data types have been introduced and some have been improved, ... Brochure des nouveautés 2024 : Nouveautés communes Nouveautés de WINDEV/WEBDEV/WINDEV Mobile 2024 présentes dans la brochure des Nouveautés 2024.