dos_getfilem

(dos_getfilem  title  folder  filter)

Opens BricsCAD's FileSelection dialog to let the user select one or multiple file(s).

title : is the FileSelect dialog title

folder : preset folder to be used for file selection; user can change to any other folder

filter : a string containing of file specification tokens - a token has the form "any description |*.xxx|", multiple tokens can be combined;
to indicate that the tokens sequence is finished, add an extra "|" as last character.
Note : under BricsCAD, a simplified filter can be used - simply combine all file type extensions by comma or semicolon : "dwg;txt"

Returns a list of selected files when successful, or NIL if dialog was cancelled or failed
Note 1 : the first entry of the list is the folder name !
Note 2 : the number of files being selected is limited to ~6000 files !

Example :
(dos_getfilem  "Select Drawings or Text files"  "C:\\Projects\\"  "Drawing Files (dwg)|*.dwg|Text Files (*.txt)|*.txt||")
will return a list like
("C:\\Projects\\Stadium\\" "entry.dwg" "places.dwg" "readme.txt")