how can i code to check for the existence of a particular text file in a drive and then call for a dialogue form if the file does not exist

ma coding life

i wrote a little application that install a particular file in drive C. on installing the application on D drive,i had problem calling the file.how can i code for the file to be referenced irrespective of its installation path

ma coding life

i've been trying to see how to retrieve texts from notepad to a rich textbox and don't knpw the technicalities involve. pls come to my rescue

ma coding life