XmFileSelectionDoSearch initiates a directory and file search in a
FileSelectionBox widget.
For a description of the actions that the FileSelectionBox takes when
doing a search, see XmFileSelectionBox(3).
widget
Specifies the FileSelectionBox widget ID.
dirmask
Specifies the directory mask used in determining the directories and
files displayed in the FileSelectionBox lists.
This value is used as the mask member of the input data
XmFileSelectionBoxCallbackStruct structure passed to the
FileSelectionBox's XmNqualifySearchDataProc.
The dir and pattern members of that structure are NULL.
For a complete definition of FileSelectionBox and its associated resources, see
XmFileSelectionBox(3).