`TStreamCollection`
pt		WriteInteger
pt		WriteBoolean
pt		WriteString
pt		WriteCurrency
pt		WriteDateTime
pt		WriteFloat
pt		ReadInteger
pt		ReadBoolean
pt		ReadString
pt		ReadCurrency
pt		ReadDateTime
pt		ReadFloat
pt		DoSaveToStream
pt		CurrentStreamVersion
pt		DoLoadFromStream
		LoadFromStream
		SaveToStream