exampcomctlview.cpp

MFC的画圆工具

// ExampComctlView.cpp : implementation of the CExampComctlView class
//

#include "stdafx.h"
#include "ExampComctl.h"

#include "ExampComctlDoc.h"
#include "ExampComctlView.h"
#include "ComctDlg.h"

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

/////////////////////////////////////////////////////////////////////////////
// CExampComctlView

IMPLEMENT_DYNCREATE(CExampComctlView, CView)

BEGIN_MESSAGE_MAP(CExampComctlView, CView)
	//{{AFX_MSG_MAP(CExampComctlView)
	ON_COMMAND(ID_TEST_COMCTL, OnTestComctl)
	//}}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()

/////////////////////////////////////////////////////////////////////////////
// CExampComctlView construction/destruction

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

}

CExampComctlView::~CExampComctlView()
{
}

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

	return CView::PreCreateWindow(cs);
}

/////////////////////////////////////////////////////////////////////////////
// CExampComctlView drawing

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

/////////////////////////////////////////////////////////////////////////////
// CExampComctlView printing

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

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

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

/////////////////////////////////////////////////////////////////////////////
// CExampComctlView diagnostics

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

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

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

/////////////////////////////////////////////////////////////////////////////
// CExampComctlView message handlers

void CExampComctlView::OnTestComctl() 
{
	// TODO: Add your command handler code here
	CComctDlg dlg;
	if(dlg.DoModal()!=IDOK)
		return ;
	Invalidate();
	UpdateWindow();
	CClientDC dc(this);
	CPen penNew, *ppenOld;
	penNew.CreatePen(PS_SOLID, dlg.m_nLineWt, RGB(0,0,0));
	ppenOld=dc.SelectObject(&penNew);
	dc.Ellipse(0,0,2*dlg.m_nRadius,2*dlg.m_nRadius);
	dc.SelectObject(ppenOld);
	
}