ListMenu loads MenuFileName into the list box.
InFileName is a tab delimited text file with the following columns:
1 - Menu Item Description
2 - Operation (open, print)
3 - File
4 - Parameters
5 - Directory
6 - Normal/Minimized/Maximized/Hidden
The first line in the file is assumed to be a header line and is ignored.
User selects one item from the list.
If the user clicks the Run button, command line is executed.