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// modalapishuttle.h - Declaration of CModalApiShuttle
//
// WinDirStat - Directory Statistics
// Copyright (C) 2003-2005 Bernhard Seifert
// Copyright (C) 2004-2017 WinDirStat Team (windirstat.net)
//
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; either version 2 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
//
#ifndef __WDS_MODALAPISHUTTLE_H__
#define __WDS_MODALAPISHUTTLE_H__
#pragma once
//
// CModalApiShuttle. (Base class for CModalShellApi and CModalSendMail.)
//
// The SHFileOperation() function shows a modeless dialog, but we want
// them to be modal.
//
// My first approximation was:
//
// AfxGetMainWnd()->EnableWindow(false);
// Do the operation (SHFileOperation)
// AfxGetMainWnd()->EnableWindow(true);
//
// But when the operation window is destroyed, the system brings
// some other window to the foreground and WinDirStat ends up in the background.
// That's because it is still disabled at that moment.
//
// So my solution is this:
// First create an invisible (zero size) (but enabled) modal dialog,
// then do the operation in its OnInitDialog function
// and end the dialog.
//
class CModalApiShuttle: public CDialog
{
DECLARE_DYNAMIC(CModalApiShuttle)
public:
CModalApiShuttle(CWnd* pParent = NULL);
virtual ~CModalApiShuttle();
protected:
enum { IDD = IDD_MODALAPISHUTTLE };
virtual BOOL OnInitDialog();
DECLARE_MESSAGE_MAP()
virtual void DoOperation() =0;
};
#endif // __WDS_MODALAPISHUTTLE_H__
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