问题描述
- 大家看看这个ＶＣ＋＋函数怎么修改
-
// mymenuView.cpp : CmymenuView 类的实现
//#include "stdafx.h"
#include "mymenu.h"#include "mymenuDoc.h"
#include "mymenuView.h"#ifdef _DEBUG
#define new DEBUG_NEW
#endif// CmymenuView
IMPLEMENT_DYNCREATE(CmymenuView, CView)
BEGIN_MESSAGE_MAP(CmymenuView, CView)
// 标准打印命令
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()// CmymenuView 构造/析构
CmymenuView::CmymenuView()
: m_Width(0)
, m_Height(0)
{
// TODO: 在此处添加构造代码
BITMAP BM;
m_Bitmap.LoadBitmap(IDB_BITMAP1);
m_Bitmap.GetBitmap(&BM);
m_Width=BM.bmWidth;
m_Height=BM.bmHeight;}
CmymenuView::~CmymenuView()
{
}BOOL CmymenuView::PreCreateWindow(CREATESTRUCT& cs)
{
// TODO: 在此处通过修改
// CREATESTRUCT cs 来修改窗口类或样式return CView::PreCreateWindow(cs);}
// CmymenuView 绘制
void CmymenuView::OnDraw(CDC* pDC)
{
CmymenuDoc* pDoc = GetDocument();
ASSERT_VALID(pDoc);
if (!pDoc)
return;
CDC MemDC;
switch(pDoc->m_change)
{
case 1:
MemDC.CreateCompatibleDC(NULL);
MemDC.SelectGdiObject(&m_Bitmap);
pDC->StretchBlt(0,0,m_Width,m_Height,&MemDC,
0,0,m_Width,m_Height,SRCCOPY);
break;
case 2:
Invalidate(TRUE);
break;} } // TODO: 在此处为本机数据添加绘制代码// CmymenuView 打印
BOOL CmymenuView::OnPreparePrinting(CPrintInfo* pInfo)
{
// 默认准备
return DoPreparePrinting(pInfo);
}void CmymenuView::OnBeginPrinting(CDC* /*pDC*/, CPrintInfo* /*pInfo*/)
{
// TODO: 添加额外的打印前进行的初始化过程
}void CmymenuView::OnEndPrinting(CDC* /*pDC*/, CPrintInfo* /*pInfo*/)
{
// TODO: 添加打印后进行的清除过程
}// CmymenuView 诊断
#ifdef _DEBUG
void CmymenuView::AssertValid() const
{
CView::AssertValid();
}void CmymenuView::Dump(CDumpContext& dc) const
{
CView::Dump(dc);
}CmymenuDoc* CmymenuView::GetDocument() const // 非调试版本是内联的
{
ASSERT(m_pDocument->IsKindOf(RUNTIME_CLASS(CmymenuDoc)));
return (CmymenuDoc*)m_pDocument;
}
#endif //_DEBUG// CmymenuView 消息处理程序
调试后出现这个错误：error C2660: “CDC::SelectGdiObject”: 函数不接受 1 个参数