createfromclipboardview.cpp

主要介绍vc++6.0的编程过程

// CreateFromClipboardView.cpp : implementation of the CCreateFromClipboardView class
//

#include "stdafx.h"
#include "CreateFromClipboard.h"

#include "CreateFromClipboardDoc.h"
#include "CreateFromClipboardView.h"

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

/////////////////////////////////////////////////////////////////////////////
// CCreateFromClipboardView

IMPLEMENT_DYNCREATE(CCreateFromClipboardView, CView)

BEGIN_MESSAGE_MAP(CCreateFromClipboardView, CView)
	//{{AFX_MSG_MAP(CCreateFromClipboardView)
	ON_COMMAND(ID_FILE_FROMCLIPBOARD, OnFileFromclipboard)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CCreateFromClipboardView construction/destruction

CCreateFromClipboardView::CCreateFromClipboardView()
{

	m_pImage = NULL;

}

CCreateFromClipboardView::~CCreateFromClipboardView()
{
}

BOOL CCreateFromClipboardView::PreCreateWindow(CREATESTRUCT& cs)
{
	return CView::PreCreateWindow(cs);
}

/////////////////////////////////////////////////////////////////////////////
// CCreateFromClipboardView drawing

void CCreateFromClipboardView::OnDraw(CDC* pDC)
{
	CCreateFromClipboardDoc* pDoc = GetDocument();
	ASSERT_VALID(pDoc);

	if( m_pImage != NULL ){
		if( GetFocus() == this )
			m_pImage->SetPalette( pDC );
		m_pImage->Draw( pDC );
		}

}

/////////////////////////////////////////////////////////////////////////////
// CCreateFromClipboardView diagnostics

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

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

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

/////////////////////////////////////////////////////////////////////////////
// CCreateFromClipboardView message handlers

void CCreateFromClipboardView::OnFileFromclipboard() 
{

	if( OpenClipboard() ){
		HBITMAP hBitmap;
		hBitmap = (HBITMAP) ::GetClipboardData( CF_BITMAP );
		CloseClipboard();
		if( hBitmap != NULL ){
			m_pImage = new CImageObject( hBitmap );
			InvalidateRect( NULL, TRUE );
			UpdateWindow();
			}
		}

}