[bcbb26]: DropTarget.cpp Maximize Restore History

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DropTarget.cpp    62 lines (51 with data), 1.5 kB

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/*
* Copyright (c) 2003-2007 Rony Shapiro <ronys@users.sourceforge.net>.
* All rights reserved. Use of the code is allowed under the
* Artistic License terms, as specified in the LICENSE file
* distributed with this code, or available from
* http://www.opensource.org/licenses/artistic-license.php
*/
#include "stdafx.h"
#include "afxole.h"
#include "DropTarget.h"
CDropTarget::CDropTarget()
: m_bRegistered(FALSE)
{}
CDropTarget::~CDropTarget() {}
DROPEFFECT CDropTarget::OnDragEnter(CWnd* /* pWnd */,
COleDataObject* /* pDataObject */, DWORD dwKeyState, CPoint /* point */ )
{
if ((dwKeyState & MK_CONTROL) == MK_CONTROL)
return DROPEFFECT_COPY; // Copy the source
else
return DROPEFFECT_MOVE; // Move the source
}
void CDropTarget::OnDragLeave(CWnd* pWnd)
{
COleDropTarget::OnDragLeave(pWnd);
}
DROPEFFECT CDropTarget::OnDragOver(CWnd* /* pWnd */,
COleDataObject* /* pDataObject */, DWORD dwKeyState, CPoint /* point */)
{
if ((dwKeyState & MK_CONTROL) == MK_CONTROL)
return DROPEFFECT_COPY;
else
return DROPEFFECT_MOVE;
}
BOOL CDropTarget::OnDrop(CWnd* /* pWnd */, COleDataObject* /* pDataObject */,
DROPEFFECT /* dropEffect */, CPoint /* point */)
{
return TRUE;
}
BOOL CDropTarget::Initialize(CWnd* wnd)
{
if (m_bRegistered == TRUE)
return FALSE;
m_bRegistered = Register(wnd);
return m_bRegistered;
}
void CDropTarget::Terminate()
{
m_bRegistered = FALSE;
Revoke();
}