iammegatron 0 Posted September 21, 2010 (Reference "Programming F#" by Chris Smith 2009) 1. find "tlbimp.exe" (usually under "program files\windows sdks\windows\...\bin) 2. run this on command line: tlbimp autoitx3.dll /out:myautoit.dll 3. in F# interactive (assume you have moved myautoit.dll to c:\) #r @"c:\myautoit.dll" let myauto = new AutoItX3Class();; myauto.Run("notepad.exe") Share this post Link to post Share on other sites