> Not if you use "start" as viewer of any file that is supported by > windows (the problem is to discover that).
start is a DOS command (as far as I know). In a cmd windows, start can open a file using its associated application. However, I tried to use "start $$i" or "cmd /c start $$i" for pdf format and did not get it work. A shell window is started instead. > Could you point us to the API? I found ShellExecute, but I did not > find a way to tell whether a file format is handled. I am not quite sure. There are ShellExecute, ShellExecuteEx, WinExec. According to http://msdn.microsoft.com/library/default.asp?url=/library/en-us/shellcc/platform/shell/reference/functions/shellexecute.asp , ShellExecute should just work. A <32 return value indicates failure to open a file, but this is not lyx' fault so we do not have to worry about it. Bo
