Hi guys,
When we retrieve model elements of a project by using project.toModelElementArray method, some model elements of project wont retrieve otherwise when using project.toAllLevelModelElementArray more model elements retrieve.
I want to know what kinds of model elements will retrieve when we use tomodelElementArray and which one will retrieve by toAllLevelModelElementArray method ?
For examples, there are 5 packages, in 3 levels:
java
java.awt
java.awt.font
java.awt.geom
java.awt.image
IProject #toAllLevelModelElementArray()
returns java, awt, font, geom, image
IProject #toModelElementArray()
returns java
IPackage #toChildArray()
from java, returns awt
from awt, returns font, geom, image
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Thanks 
