SetWindowLongLibrary: User32Min. Required OS: Windows NT 3.1 or later; Windows 95 or laterGroup: WindowDescription: The SetWindowLong function changes an attribute of the specified window. The function also sets a 32-bit (long) value at the specified offset into the extra window memory of a window.Example(s): Clipboard Viewer Low Level Audio Stream Number Textbox ClassicalRelated function(s): SetWindowWord GetWindowLong
