RAD Studio VCL Reference
TPropertyPageImpl Class

TPropertyPageImpl implements the IPropertyPage interface to provide the interfaces needed to support an ActiveX property page.

TPropertyPageImpl = class(TAggregatedObject, IUnknown, IPropertyPage, IPropertyPage2);
class TPropertyPageImpl : public TAggregatedObject, public IUnknown, public IPropertyPage, public IPropertyPage2;

Applications do not create TPropertyPageImpl objects; they are created automatically when the user creates an ActiveX control object by using the ActiveX control or ActiveForms wizard.  

This class is used internally by TPropertyPage to provide a bridge between a Delphi form and the ActiveX property page API. TPropertyPageImpl implements the property page portion of the COM object while TActiveXPropertyPage implements the COM server portion. 


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