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202 lines
7.1 KiB
202 lines
7.1 KiB
/* /////////////////////////////////////////////////////////////////////////
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* File: winstl/window/window_enable_scope.hpp (originally MWWndScp.h; ::SynesisWin)
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*
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* Purpose: Window enable-state scoping class.
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*
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* Created: 5th January 1996
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* Updated: 10th August 2009
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*
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* Home: http://stlsoft.org/
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*
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* Copyright (c) 1996-2009, Matthew Wilson and Synesis Software
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* - Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
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* - Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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* - Neither the name(s) of Matthew Wilson and Synesis Software nor the names of
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* any contributors may be used to endorse or promote products derived from
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* this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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* ////////////////////////////////////////////////////////////////////// */
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/** \file winstl/window/window_enable_scope.hpp
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*
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* \brief [C++ only] Definition of the winstl::window_enable_scope class
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* (\ref group__library__windows_window "Windows Window" Library).
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*/
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#ifndef WINSTL_INCL_WINSTL_WINDOW_HPP_WINDOW_ENABLE_SCOPE
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#define WINSTL_INCL_WINSTL_WINDOW_HPP_WINDOW_ENABLE_SCOPE
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#ifndef STLSOFT_DOCUMENTATION_SKIP_SECTION
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# define WINSTL_VER_WINSTL_WINDOW_HPP_WINDOW_ENABLE_SCOPE_MAJOR 4
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# define WINSTL_VER_WINSTL_WINDOW_HPP_WINDOW_ENABLE_SCOPE_MINOR 1
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# define WINSTL_VER_WINSTL_WINDOW_HPP_WINDOW_ENABLE_SCOPE_REVISION 1
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# define WINSTL_VER_WINSTL_WINDOW_HPP_WINDOW_ENABLE_SCOPE_EDIT 90
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#endif /* !STLSOFT_DOCUMENTATION_SKIP_SECTION */
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/* /////////////////////////////////////////////////////////////////////////
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* Includes
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*/
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#ifndef WINSTL_INCL_WINSTL_H_WINSTL
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# include <winstl/winstl.h>
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#endif /* !WINSTL_INCL_WINSTL_H_WINSTL */
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#ifndef WINSTL_INCL_SHIMS_ATTRIBUTE_HPP_GET_HWND
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# include <winstl/shims/attribute/get_HWND.hpp>
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#endif /* !WINSTL_INCL_SHIMS_ATTRIBUTE_HPP_GET_HWND */
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/* /////////////////////////////////////////////////////////////////////////
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* Namespace
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*/
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#ifndef _WINSTL_NO_NAMESPACE
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# if defined(_STLSOFT_NO_NAMESPACE) || \
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defined(STLSOFT_DOCUMENTATION_SKIP_SECTION)
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/* There is no stlsoft namespace, so must define ::winstl */
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namespace winstl
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{
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# else
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/* Define stlsoft::winstl_project */
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namespace stlsoft
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{
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namespace winstl_project
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{
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# endif /* _STLSOFT_NO_NAMESPACE */
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#endif /* !_WINSTL_NO_NAMESPACE */
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/* /////////////////////////////////////////////////////////////////////////
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* Classes
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*/
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// window_enable_scope
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/** \brief Provides scoping of the enable status of a window.
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*
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* \ingroup group__library__windows_window
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*
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* This class provides scoping of the enable status of a window via the API
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* function EnableWindow().
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*/
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class window_enable_scope
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{
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public:
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/// This type
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typedef window_enable_scope class_type;
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// Construction
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public:
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/// \brief Toggles the window enable state
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///
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/// Takes a HWND and changes it's current enable-status, which is set back to
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/// the original state in the destructor.
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///
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/// \param wnd The window whose enable state is to be controlled
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ss_explicit_k window_enable_scope(HWND wnd)
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: m_hwnd(wnd)
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, m_bEnableOnDtor(::IsWindowEnabled(m_hwnd) != false)
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{
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::EnableWindow(m_hwnd, !m_bEnableOnDtor);
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}
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#ifdef STLSOFT_CF_MEMBER_TEMPLATE_CTOR_SUPPORT
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/// \brief Toggles the window enable state
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///
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/// Takes a HWND and changes it's current enable-status, which is set back to
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/// the original state in the destructor.
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///
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/// \param wnd The window whose enable state is to be controlled
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template <ss_typename_param_k W>
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ss_explicit_k window_enable_scope(W &wnd)
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: m_hwnd(get_HWND(wnd))
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, m_bEnableOnDtor(::IsWindowEnabled(m_hwnd) != false)
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{
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::EnableWindow(m_hwnd, !m_bEnableOnDtor);
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}
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#endif /* STLSOFT_CF_MEMBER_TEMPLATE_CTOR_SUPPORT */
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/// Modifies the window enable state
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///
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/// \param wnd The window whose enable state is to be controlled
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/// \param bEnableOnCtor The state to set in the constructor
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/// \param bEnableOnDtor The state it is reset to in the destructor
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window_enable_scope(HWND wnd, ws_bool_t bEnableOnCtor, ws_bool_t bEnableOnDtor)
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: m_hwnd(wnd)
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, m_bEnableOnDtor(bEnableOnDtor)
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{
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::EnableWindow(m_hwnd, bEnableOnCtor);
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}
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#ifdef STLSOFT_CF_MEMBER_TEMPLATE_CTOR_SUPPORT
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/// Modifies the window enable state
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///
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/// \param wnd The window whose enable state is to be controlled
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/// \param bEnableOnCtor The state to set in the constructor
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/// \param bEnableOnDtor The state it is reset to in the destructor
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template <ss_typename_param_k W>
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window_enable_scope(W &wnd, ws_bool_t bEnableOnCtor, ws_bool_t bEnableOnDtor)
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: m_hwnd(get_HWND(wnd))
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, m_bEnableOnDtor(bEnableOnDtor)
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{
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::EnableWindow(m_hwnd, bEnableOnCtor);
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}
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#endif /* STLSOFT_CF_MEMBER_TEMPLATE_CTOR_SUPPORT */
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/// Resets the enable status
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~window_enable_scope() stlsoft_throw_0()
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{
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#ifdef STLSOFT_CF_USE_RAW_OFFSETOF_IN_STATIC_ASSERT
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WINSTL_STATIC_ASSERT(STLSOFT_RAW_OFFSETOF(class_type, m_hwnd) < STLSOFT_RAW_OFFSETOF(class_type, m_bEnableOnDtor));
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#endif /* STLSOFT_CF_USE_RAW_OFFSETOF_IN_STATIC_ASSERT */
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::EnableWindow(m_hwnd, m_bEnableOnDtor);
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}
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// Members
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private:
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HWND m_hwnd;
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ws_bool_t m_bEnableOnDtor;
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// Not to be implemented
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private:
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window_enable_scope(class_type const& rhs);
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class_type const& operator =(class_type const& rhs);
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};
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/* ////////////////////////////////////////////////////////////////////// */
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#ifndef _WINSTL_NO_NAMESPACE
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# if defined(_STLSOFT_NO_NAMESPACE) || \
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defined(STLSOFT_DOCUMENTATION_SKIP_SECTION)
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} // namespace winstl
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# else
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} // namespace winstl_project
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} // namespace stlsoft
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# endif /* _STLSOFT_NO_NAMESPACE */
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#endif /* !_WINSTL_NO_NAMESPACE */
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/* ////////////////////////////////////////////////////////////////////// */
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#endif /* WINSTL_INCL_WINSTL_WINDOW_HPP_WINDOW_ENABLE_SCOPE */
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/* ///////////////////////////// end of file //////////////////////////// */
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