Sets a boolean value indicating whether the dialog box should display a warning if the user specifies a file name that does not exist.
public final void setCheckFileExists( boolean value )
value
Set to true if you want the dialog box to display a warning when the user specifies a file name that does not exist; otherwise, set to false. The default value is true for an OpenFileDialog control and false for a SaveFileDialog control.
See Also getCheckFileExists