RAD Studio VCL Reference
Classes.AncestorIsValid Function

AncestorIsValid determines if one component is an ancestor of another.

function AncestorIsValid(Ancestor: TPersistent; Root: TComponent; RootAncestor: TComponent): Boolean;
Boolean AncestorIsValid(TPersistent * Ancestor, TComponent * Root, TComponent * RootAncestor);

Call AncestorIsValid to determine if component Root has the specified RootAncestor ancestor. The System::TObject System::TObject::InheritsFrom method is used to determine this. True is returned if the ancestor is valid, otherwise false. 


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