Config file,set this file to load/save format option
		gFmtOpt.ConfigFile
	Load default format options
		gFmtOpt.ReadDefaultConfig2
	Load format option from config file
		gFmtOpt.ReadConfig
	Save format option to config file
		gFmtOpt.SaveConfig
	Load format option from specific file
		gFmtOpt.SaveConfigToFile2(pFilename)
	Save format option to specific file
		gFmtOpt.SaveConfigToFile2(pFilename)