readme.wzd

《Visual C++ MFC编程实例》配套代码,如果大家正在学习此教程

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// Example files.
/////////////////////////////////////////////////////////////////////

WzdSlct.cpp -- a select class which cuts, copies and pastes
WzdSlct.h

WzdInfo1.cpp -- some example data classes to cut and paste
WzdInfo1.h
WzdInfo2.cpp
WzdInfo2.h

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// Modify the View Class.
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// 1) embed the selection class in the view class
	CWzdSelect	m_select;


// 2) call the selection class to select a list of data class objects
	m_select.Select(GetDocument()->GetInfo1List()->GetHead());

// 3) call the selection class to cut, copy or paste the selection
void CWzdView::OnEditCut() 
{
	m_select.CutSelections(GetDocument()->GetInfo1List());
}
void CWzdView::OnEditCopy() 
{
	m_select.CopySelections();
}
void CWzdView::OnEditPaste() 
{
	m_select.PasteClipboard(GetDocument()->GetInfo1List());
}

// 4) enable/disable the cut, copy, paste menu commands
void CWzdView::OnUpdateEditCut(CCmdUI* pCmdUI) 
{
	pCmdUI->Enable(m_select.SelectionCount());
}
void CWzdView::OnUpdateEditCopy(CCmdUI* pCmdUI) 
{
	pCmdUI->Enable(m_select.SelectionCount());
}
void CWzdView::OnUpdateEditPaste(CCmdUI* pCmdUI) 
{
	pCmdUI->Enable(m_select.CanPasteClipboard());
}


/////////////////////////////////////////////////////////////////////
// From: Visual C++ MFC Programming by Example by John E. Swanke
// Copyright (C) 1998 jeswanke. All rights reserved.
/////////////////////////////////////////////////////////////////////