| Class | Description | 
|---|---|
| JetBoolean | 
 JetBoolean is for saving/retrieving a boolean value. 
The default value is always false.  | 
| JetColor | 
 JetColor is for saving/retrieving a java.awt.Color value. 
'Transparent' (either normal value or default value) is a tag that means no-color, and it doesn't equal the color whose alpha is 0(or 0.0).  | 
| JetColumnVector | 
 JetColumnVector ,for saving/retrieving a group of column name. 
It does not different with JetVector, except : 1) implements JetColumnable2) the items in vector are upper-case(until now).  | 
| JetCommand | 
 Property with a command value 
 | 
| JetEnumeration | 
 JetEnumeration, for saving/retrieving a entry(name and value). 
This JetProperty : 1) can not set 'another object' in ChangeBy value by default 2) can not set 'on the fly formula' in ChangeBy value by default 4) contains a table(called as "entry-table") stored all possible entries for property choice It does no different with JetString(if value is String) or JetNumber(if value is Integer), except it has property choice  | 
| JetFont | 
 JetFont, for saving/retrieving a Font Name 
It does no different with JetString, except it doesn't have default value  | 
| JetImgProperty | 
 JetImgProperty, for saving/retrieving an Image: loaded from file("Image(file name)" following) or Object directly("Image(Embed)"following). 
Notice: 1) It doesn't have default value 2) It does used to saving/retrieving an Image(file name) by default 3) In Logi Report, Image(file name) is the resource based Catalog, so the file is based on Catalog's path.  | 
| JetNumber | 
 JetNumber, for saving/retrieving a Number(integer, float, double, long) value. 
 | 
| JetProperty | 
 The base class of all the property 
 | 
| JetPropertyGroup | 
 Only For Designer's Inspector(Property Group) 
 | 
| JetQualifyReference | 
 JetQualifyReference, for saving/retrieving a JetObject managed by root
  
 | 
| JetReference | 
 JetQualifyReference, for saving/retrieving a JetObject that managed by owner
 NOTICE:
 1. 
 | 
| JetString | 
 JetString, for saving/retrieving a String. 
 | 
| JetStringList | 
 JetStringList, Only For Designer UI, for saving/retrieving a String 
It does no different with JetString, except can reset default value  | 
| JetUnitNumber | 
 JetUnitNumber ,for saving/retrieving an integer with unit 
 | 
| JetVector | 
 JetVector, for saving/retrieving a String vector. 
 | 
| Exception | Description | 
|---|---|
| PropertyOutofRangeException |