View source for System.TInterfacedObject.BeforeDestruction

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==Description==
{{#ifeq: {{PAGENAME}} | System.TInterfacedObject.BeforeDestruction | |{{InheritsFrom|System.TInterfacedObject.BeforeDestruction}}}}

<section begin=short />Checks that the reference count is zero before allowing the interfaced object to be destroyed.<section end=short />

[[System.TInterfacedObject.BeforeDestruction|BeforeDestruction]] is called automatically immediately before the interfaced object's destructor. It checks whether the reference count is zero, and, if it is not, raises an exception. 

===See Also===

* [[System.TInterfacedObject.RefCount|RefCount]]

* [[System.TObject.Free|Free]]


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