RAD Studio VCL Reference
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Classes.UnRegisterClass Function

Unregisters an object class.

Pascal
procedure UnRegisterClass(AClass: TPersistentClass);
C++
UnRegisterClass(TPersistentClass AClass);

Call UnRegisterClass to unregister an object class. When a class is unregistered, it can't be loaded or saved by the component streaming system. 

After unregistering a class, its name can be reused to register another object class. 

 

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