EARules_AllowNesting

EARules_AllowNesting allows an Add-In registered to provide rules for a language to specify if two elements should be nested in the Browser window after being nested on a diagram.

This event occurs while a user drags one element onto another in a diagram.

Syntax

Function EARules_AllowNesting (Repository As EA.Repository, Language As String, Child as EA.Element, Parent as EA.Element, Diagram as EA.Diagram) As Integer

The EARules_AllowNesting function syntax contains these parameters.

Parameter	Description	See also
Repository	EA.Repository Direction: IN Description: An EA.Repository object representing the currently-open Enterprise Architect model. Poll its members to retrieve model data and user interface status information.	Repository Class
Language	String Direction: IN Description: Specifies the language for the rule that Enterprise Architect is requesting. This will match one of the values returned from EARules_Initialize.	EARules_Initialize
Child	EA.Element Direction: IN Description: Specifies the element that has been graphically nested within another element.	Element Class
Parent	EA.Element Direction: IN Description: Specifies the target element of a drag-and-drop operation within a diagram.	Element Class
Diagram	EA.Diagram Direction: IN Description: The diagram that the move event has occurred on.	Diagram Class

Return Value

Return a positive value to allow the nesting to occur
Return a negative value to use the base rules
Return zero to prevent the nesting from occurring