use static method
use static method

cmu-delphi/delphi-epidata,undefx/delphi-epidata,cmu-delphi/delphi-epidata,cmu-delphi/delphi-epidata,cmu-delphi/delphi-epidata,cmu-delphi/delphi-epidata,undefx/delphi-epidata,cmu-delphi/delphi-epidata