document與view的問題

看板Programming作者jiannrong.時間18年前 (2006/07/12 03:01)推噓0(0推 0噓 0→)

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這是一個Document、View、Frame與App的綜合運用.. 其實也是抄襲書本的練習... 只是讓我納悶的是..可以編譯與轉成執行檔，但是執行時卻無畫面出來因此，想請教一下諸位，我的程式是哪裡寫錯了呢？我的程式放在 http://home.pchome.com.tw/family/quota123/iiii.zip 語法部分如下，在此說聲謝謝！ # include<afxwin.h> #include"resource.h" #include<afxtempl.h> class MyDocument : public CDocument { public: CArray<CPoint, CPoint &>pArray; void AddPoint(CPoint p) {pArray.Add(p);} CPoint GetPoint(int i) {return pArray[i];} int GetSize() {return pArray.GetSize();} DECLARE_DYNCREATE(MyDocument) DECLARE_MESSAGE_MAP() }; IMPLEMENT_DYNCREATE(MyDocument,CDocument) BEGIN_MESSAGE_MAP(MyDocument,CDocument) END_MESSAGE_MAP() class MyView : public CView { public: void OnDraw(CDC * aDC) { MyDocument*doc=(MyDocument*)GetDocument(); int num=doc->GetSize(); int i; for(i=0;i<num;++i) { CPoint point=doc->GetPoint(i); aDC->SetPixel(point, RGB(255,0,0)); } } afx_msg void OnLButtonDown(UINT,CPoint point) {SetCapture();} afx_msg void OnMouseMove(UINT, CPoint point) { if(this==GetCapture()) { CClientDC aDC(this); aDC.SetPixel(point,RGB(255,0,0)); MyDocument *doc=(MyDocument*)GetDocument(); doc->AddPoint(point); } } afx_msg void OnLButtonUp(UINT, CPoint point) {ReleaseCapture();} DECLARE_DYNCREATE(MyView) DECLARE_MESSAGE_MAP() }; IMPLEMENT_DYNCREATE(MyView,CView) BEGIN_MESSAGE_MAP(MyView,CView) ON_WM_LBUTTONDOWN() ON_WM_MOUSEMOVE() ON_WM_LBUTTONUP() END_MESSAGE_MAP() class MyFrame:public CFrameWnd { public: DECLARE_DYNCREATE(MyFrame) DECLARE_MESSAGE_MAP() }; IMPLEMENT_DYNCREATE(MyFrame,CFrameWnd) BEGIN_MESSAGE_MAP(MyFrame,CFrameWnd) END_MESSAGE_MAP() class MyApp:public CWinApp { public: BOOL InitIntanse() { CDocument*doc; CSingleDocTemplate* DocTemplate; DocTemplate=new CSingleDocTemplate( IDR_MENU1, RUNTIME_CLASS(MyDocument), RUNTIME_CLASS(MyFrame), RUNTIME_CLASS(MyView)); AddDocTemplate(DocTemplate); doc=DocTemplate->CreateNewDocument(); m_pMainWnd=DocTemplate->CreateNewFrame(doc,NULL); DocTemplate->InitialUpdateFrame((CFrameWnd*)m_pMainWnd,doc); m_pMainWnd->ShowWindow(SW_SHOW); return true; } }a_app; -- ┌─────◆ＫＫＣＩＴＹ◆─────┐▇─┐ＫＫＡＤＳＬ→六星級優質連線服務 │ bbs.kkcity.com.tw │┴ └─▇ 馬上申請帶你上網環遊全世界！ └──《From:221.169.0.159 》──┘ KKADSL ┴ http://adsl.kkcity.com.tw --