name is a user-readable label for the filter (for example, "Office
document").
pattern is a semicolon-separated list of file extensions (for example,
"doc;docx"). File extensions may only contain alphanumeric characters,
hyphens, underscores and periods. Alternatively, the whole string can be a
single asterisk ("*"), which serves as an "All files" filter.
An entry for filters for file dialogs.
name is a user-readable label for the filter (for example, "Office document").
pattern is a semicolon-separated list of file extensions (for example, "doc;docx"). File extensions may only contain alphanumeric characters, hyphens, underscores and periods. Alternatively, the whole string can be a single asterisk ("*"), which serves as an "All files" filter.