menudemoview.cpp

Visual C++必备入门级视频

// MenuDemoView.cpp : implementation of the CMenuDemoView class
//

#include "stdafx.h"
#include "MenuDemo.h"

#include "MenuDemoDoc.h"
#include "MenuDemoView.h"

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

/////////////////////////////////////////////////////////////////////////////
// CMenuDemoView

IMPLEMENT_DYNCREATE(CMenuDemoView, CView)

BEGIN_MESSAGE_MAP(CMenuDemoView, CView)
	//{{AFX_MSG_MAP(CMenuDemoView)
	ON_COMMAND(IDC_DRAWCIRCLE, OnDrawcircle)
	ON_COMMAND(IDC_DRAWRECT, OnDrawrect)
	//}}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()

/////////////////////////////////////////////////////////////////////////////
// CMenuDemoView construction/destruction

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

}

CMenuDemoView::~CMenuDemoView()
{
}

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

	return CView::PreCreateWindow(cs);
}

/////////////////////////////////////////////////////////////////////////////
// CMenuDemoView drawing

void CMenuDemoView::OnDraw(CDC* pDC)
{
	CMenuDemoDoc* pDoc = GetDocument();
	ASSERT_VALID(pDoc);
	// TODO: add draw code for native data here
}

/////////////////////////////////////////////////////////////////////////////
// CMenuDemoView printing

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

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

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

/////////////////////////////////////////////////////////////////////////////
// CMenuDemoView diagnostics

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

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

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

/////////////////////////////////////////////////////////////////////////////
// CMenuDemoView message handlers

void CMenuDemoView::OnDrawcircle() 
{
	// TODO: Add your command handler code here
	CDC*pDC=GetDC();							//使用GetDC()函数申请CDC类的指针
	CRect rect(100,0,300,200);
	CBrush brush(RGB(180,180,180));				//定义画刷
	pDC->FillRect(rect,&brush);						//填充绘图区域
	pDC->Ellipse(160,10,260,110);					//画圆
	pDC->TextOut(120,120,"绘制直径为100个像素的圆");//在圆下方输出文字
	ReleaseDC(pDC);							//释放CDC类的指针	

	
}

void CMenuDemoView::OnDrawrect() 
{
	// TODO: Add your command handler code here
	CDC*pDC=GetDC();							//使用GetDC()函数申请CDC类的指针
	CRect rect(100,0,300,200);
	CBrush brush(RGB(180,180,180));				//定义画刷
	pDC->FillRect(rect,&brush);						//填充绘图区域
	pDC->Rectangle(160,10,260,110);					//画矩形
	pDC->TextOut(120,120,"绘制边长为100的正方形");	//在矩形下方输出文字
	ReleaseDC(pDC);							//释放CDC类的指针

	
}