To create a property class in the Properties window:

1.    Within Object Navigator or an editor, select one or more objects so in which the Properties window displays the properties which you want to be in the property class.
2.    Within properties window, click the Property Class button on the toolbar. The alert is displayed to confirm the name of the class being created.
Adding and Removing Properties from a Property Class:
Once you have created a property class, you can remove and add properties from it as desired. You could add properties one at a time or with the properties commands Copy/Paste.

To add a single property to a property class:

1.   In the Object Navigator, choose the property class so in which its properties are displayed in the Properties window.
2.    In  the  Properties  window,  click  the  Add  Property  button  on  the  toolbar.  The Properties LOV appears displaying the list of all Oracle Forms properties.
3.    Select the property you need to add to the property class.
4.    In the Properties window, set the new property as desired.

To copy properties into a property class:

By using the Copy Properties command to copy the properties of existing objects, and then use the Paste Properties command to paste those properties and their settings to the property class.

To remove a property from a property class:

1.    In the Object Navigator, select the property class so in which its properties are displayed in the properties window.
2.    In the properties window, click on the property you need to remove to select it.
3.    Click the delete property button on the properties window toolbar that is based an Object on a property class.  Note: you have already created the property class you can base objects on it.
4.    In the object navigator, select the property class so in which its properties are displayed in the properties window.
5.    In the properties window, set the class property through selecting the desired property class from the list of all classes defined in the active module.

Whenever you base an object on a property class, a property of the object is updated as follows:

•    Properties for that there is a corresponding property in the property class are updated to match the property class setting.
•    Properties for that there is no corresponding property in the property class are left unchanged.