ATTR_FILE_FILTER

Data Type: string
Description: Specifies any filters on the files that appear. The input is a string with extensions of the form .extension with each separate extension separated by semicolons. If any of the extensions is .*, the function shows all files. Currently, the function filters only for files with extensions. If .* is not in the filter, the function displays only files with extensions. The function supports up to MAX_FILTER_EXTENSIONS filters. When you change this attribute, the function applies the new filter to the entire file browser immediately.