For more information on the dragDropSpec attribute, refer to Using the dragDropSpec attribute.

The enabled attribute specifies whether or not the part is available for selection. If true, the part's contents are available for selection.

The helpFile attribute is the name of the help file associated with the part.

The helpKeysId attribute is the ID of the keys help associated with the part. The ID can be a string or an integer value.

The ID must exist in the help file associated with the part.

The helpTitle attribute is the title of the help window associated with the part.

The helpTopicId attribute is the ID of the help topic associated with the part. The ID can be a string or an integer value.

The ID must exist in the help file associated with the part.

The mappedWhenManaged attribute specifies whether the part should be shown. If the part is currently shown, setting this attribute to false will hide the part. If the part is currently hidden, setting this attribute to true will show the part, if the parent part is shown.

For more information on the self attribute, refer to Using the self attribute.

The view attribute represents a basic view that is displayed over the separator button.

At development time, the view attribute is connected to the self attribute of a basic view (such as a Combo Box) on the free-form surface. At run time, the connected part (the Combo Box) appears in the area occupied by the separator button.

The width attribute specifies the amount of horizontal space occupied by the part.