ShellExecute("TWAINCOM.EXE", "y:\MYAPP","y:\myapp\mydoc.tiff -multipagetiff")

file shellexecute.prg does'nt exist

I want to run the twaincom.exe program from visual foxpro.

twaincom.exe is located at the following path:
"C:\Program Files\TWAINCommander\TWAINCom.exe"

Thank you very much.