sdidrawview.cpp

本压缩软件为《Visual C++6.0基础教程》（黑魔方系列）一书的源代码

// SDIDrawView.cpp : implementation of the CSDIDrawView class
//

#include "stdafx.h"
#include "SDIDraw.h"

#include "SDIDrawDoc.h"
#include "SDIDrawView.h"

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

/////////////////////////////////////////////////////////////////////////////
// CSDIDrawView

IMPLEMENT_DYNCREATE(CSDIDrawView, CView)

BEGIN_MESSAGE_MAP(CSDIDrawView, CView)
	//{{AFX_MSG_MAP(CSDIDrawView)
	ON_COMMAND(ID_Roll, OnRoll)
	ON_COMMAND(ID_Text, OnText)
	ON_UPDATE_COMMAND_UI(ID_Roll, OnUpdateRoll)
	ON_UPDATE_COMMAND_UI(ID_Text, OnUpdateText)
	//}}AFX_MSG_MAP
	// Standard printing commands
	ON_COMMAND(ID_FILE_PRINT, CView::OnFilePrint)
	ON_COMMAND(ID_FILE_PRINT_DIRECT, CView::OnFilePrint)
	ON_COMMAND(ID_FILE_PRINT_PREVIEW, CView::OnFilePrintPreview)
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CSDIDrawView construction/destruction

CSDIDrawView::CSDIDrawView()
{
	// TODO: add construction code here

}

CSDIDrawView::~CSDIDrawView()
{
}

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

	return CView::PreCreateWindow(cs);
}

/////////////////////////////////////////////////////////////////////////////
// CSDIDrawView drawing

void CSDIDrawView::OnDraw(CDC* pDC)
{
	CSDIDrawDoc* pDoc = GetDocument();
	ASSERT_VALID(pDoc);
	if (a==1)
	pDC->Ellipse(180,180,30,30);
	else if (a==2)
	pDC->TextOut(220,230,"欢迎使用VC++6.0!");
	// TODO: add draw code for native data here
}

/////////////////////////////////////////////////////////////////////////////
// CSDIDrawView printing

BOOL CSDIDrawView::OnPreparePrinting(CPrintInfo* pInfo)
{
	// default preparation
	return DoPreparePrinting(pInfo);
}

void CSDIDrawView::OnBeginPrinting(CDC* /*pDC*/, CPrintInfo* /*pInfo*/)
{
	// TODO: add extra initialization before printing
}

void CSDIDrawView::OnEndPrinting(CDC* /*pDC*/, CPrintInfo* /*pInfo*/)
{
	// TODO: add cleanup after printing
}

/////////////////////////////////////////////////////////////////////////////
// CSDIDrawView diagnostics

#ifdef _DEBUG
void CSDIDrawView::AssertValid() const
{
	CView::AssertValid();
}

void CSDIDrawView::Dump(CDumpContext& dc) const
{
	CView::Dump(dc);
}

CSDIDrawDoc* CSDIDrawView::GetDocument() // non-debug version is inline
{
	ASSERT(m_pDocument->IsKindOf(RUNTIME_CLASS(CSDIDrawDoc)));
	return (CSDIDrawDoc*)m_pDocument;
}
#endif //_DEBUG

/////////////////////////////////////////////////////////////////////////////
// CSDIDrawView message handlers

void CSDIDrawView::OnRoll() 
{
	a=1;
	Invalidate(TRUE);
	// TODO: Add your command handler code here
}

void CSDIDrawView::OnText() 
{
	// TODO: Add your command handler code here
	a=2;
	Invalidate(TRUE);
}



void CSDIDrawView::OnUpdateRoll(CCmdUI* pCmdUI) 
{
	// TODO: Add your command update UI handler code here
	if(a%2==1) pCmdUI->Enable(FALSE);
	else pCmdUI->Enable(TRUE);

}

void CSDIDrawView::OnUpdateText(CCmdUI* pCmdUI) 
{
	// TODO: Add your command update UI handler code here
	if(a%2==0) pCmdUI->Enable(FALSE);
	else pCmdUI->Enable(TRUE);

}