This command displays
a dialog to the user asking them to specify a file to open. If
the user selects a file, then that file is opened and the file
identifier is returned in fileId. If the user cancels
the operation then fileId is set to -1. If for any other
reason the command could not create or open the file then it
causes an error.
writeAccess is a boolean which specifies
whether or not you want to be able to write to the file. If you
pass true then you will be permitted to write to the file, if
you pass false then you will only be allowed to read from the
type is a 4 character string containing
the type of the file you wish to open.
dataFormat is a string containing the data
format of the file you wish to create. TNT Basic currently supports
two types of files...
Data File - "Data"
Data is stored in TNT Basic's own format. These file use less
space and a quicker to access, however, they cannot be easily
made by hand.
Text File - "Text'
Data is stored as a series of lines in a text file. This takes
up more space and is slightly slower to access but the advantage
is that they are easy to create by hand.
If this field is left
blank then it defaults to a data file.