childfrm.cpp

讲mfc的书

// ChildFrm.cpp : implementation of the CChildFrame class
//

#include "stdafx.h"
#include "multedit.h"

#include "ChildFrm.h"

#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif

/////////////////////////////////////////////////////////////////////////////
// CChildFrame

IMPLEMENT_DYNCREATE(CChildFrame, CMDIChildWnd)

BEGIN_MESSAGE_MAP(CChildFrame, CMDIChildWnd)
	//{{AFX_MSG_MAP(CChildFrame)
	ON_COMMAND(IDM_SPLIT, OnSplit)
	ON_UPDATE_COMMAND_UI(IDM_SPLIT, OnUpdateSplit)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CChildFrame construction/destruction

CChildFrame::CChildFrame()
{
	split=FALSE;
	
}

CChildFrame::~CChildFrame()
{
}

BOOL CChildFrame::PreCreateWindow(CREATESTRUCT& cs)
{
	// TODO: Modify the Window class or styles here by modifying
	//  the CREATESTRUCT cs

	return CMDIChildWnd::PreCreateWindow(cs);
}

/////////////////////////////////////////////////////////////////////////////
// CChildFrame diagnostics

#ifdef _DEBUG
void CChildFrame::AssertValid() const
{
	CMDIChildWnd::AssertValid();
}

void CChildFrame::Dump(CDumpContext& dc) const
{
	CMDIChildWnd::Dump(dc);
}

#endif //_DEBUG

/////////////////////////////////////////////////////////////////////////////
// CChildFrame message handlers


BOOL CChildFrame::OnCreateClient(LPCREATESTRUCT lpcs, CCreateContext* pContext) 
{
    return splitter.Create(this,2,1,CSize(1,1),pContext,WS_CHILD | WS_VISIBLE  | SPLS_DYNAMIC_SPLIT);
}

void CChildFrame::OnSplit() 
{
	CRect r;
	GetClientRect(r);
	if (split)
		splitter.DeleteRow(1);
	else
		splitter.SplitRow(r.Height()/2);
	split=!split;
}

void CChildFrame::OnUpdateSplit(CCmdUI* pCmdUI) 
{
	pCmdUI->SetCheck(split);
	pCmdUI->Enable();
}