Overwrites a file upload control on the text selection.
Command InsertInputFileUpload User interface None. Set bUserInterface to false or omit. execCommand vValue Optional. String that specifies an id attribute for the file upload control. May be set to null or omitted. Applies to execCommand, queryCommandEnabled, queryCommandIndeterm, queryCommandState, queryCommandSupported, queryCommandValue.
Internet Explorer 4.0 and later.