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 // Created on: 1994-02-16
 // Created by: Christian CAILLET
 // Copyright (c) 1994-1999 Matra Datavision
 // Copyright (c) 1999-2014 OPEN CASCADE SAS
 //
 // This file is part of Open CASCADE Technology software library.
 //
 // This library is free software; you can redistribute it and/or modify it under
 // the terms of the GNU Lesser General Public License version 2.1 as published
 // by the Free Software Foundation, with special exception defined in the file
 // OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
 // distribution for complete text of the license and disclaimer of any warranty.
 //
 // Alternatively, this file may be used under the terms of Open CASCADE
 // commercial license or contractual agreement.
 
 #ifndef _IFSelect_SelectControl_HeaderFile
 #define _IFSelect_SelectControl_HeaderFile
 
 #include <Standard.hxx>
 #include <Standard_Type.hxx>
 
 #include <IFSelect_Selection.hxx>
 class IFSelect_SelectionIterator;
 
 
 class IFSelect_SelectControl;
 DEFINE_STANDARD_HANDLE(IFSelect_SelectControl, IFSelect_Selection)
 
 //! A SelectControl kind Selection works with two input Selections
 //! in a dissymmetric way : the Main Input which gives an input
 //! list of Entities, to be processed, and the Second Input which
 //! gives another list, to be used to filter the main input.
 //!
 //! e.g. : SelectDiff retains the items of the Main Input which
 //! are not in the Control Input (which acts as Diff Input)
 //! or a specific selection which retains Entities from the Main
 //! Input if and only if they are concerned by an entity from
 //! the Control Input (such as Views in IGES, etc...)
 //!
 //! The way RootResult and Label are produced are at charge of
 //! each sub-class
 class IFSelect_SelectControl : public IFSelect_Selection
 {
 
 public:
 
   
   //! Returns the Main Input Selection
   Standard_EXPORT Handle(IFSelect_Selection) MainInput() const;
   
   //! Returns True if a Control Input is defined
   //! Thus, Result can be computed differently if there is a
   //! Control Input or if there is none
   Standard_EXPORT Standard_Boolean HasSecondInput() const;
   
   //! Returns the Control Input Selection, or a Null Handle
   Standard_EXPORT Handle(IFSelect_Selection) SecondInput() const;
   
   //! Sets a Selection to be the Main Input
   Standard_EXPORT void SetMainInput (const Handle(IFSelect_Selection)& sel);
   
   //! Sets a Selection to be the Control Input
   Standard_EXPORT void SetSecondInput (const Handle(IFSelect_Selection)& sel);
   
   //! Puts in an Iterator the Selections from which "me" depends
   //! That is to say, the list of Input Selections
   Standard_EXPORT void FillIterator (IFSelect_SelectionIterator& iter) const Standard_OVERRIDE;
 
 
 
 
   DEFINE_STANDARD_RTTIEXT(IFSelect_SelectControl,IFSelect_Selection)
 
 protected:
 
 
 
 
 private:
 
 
   Handle(IFSelect_Selection) themain;
   Handle(IFSelect_Selection) thesecond;
 
 
 };
 
 
 
 
 
 
 
 #endif // _IFSelect_SelectControl_HeaderFile

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