新人求教，学孙鑫Vc深入详解第8章遇到问题添加好属性表单这个菜单项后点击无法弹出模态对话框

Question

按照书上语句一字一句的写，能运行就是点击属性菜单后无法弹出对应的属性表单对话框。
点了后还打印显示propSheet（）Failed...  

Answer 1

// PropSheet.cpp : 实现文件
//#include "stdafx.h"
#include "Prop.h"
#include "PropSheet.h"
// CPropSheetIMPLEMENT_DYNAMIC(CPropSheet, CPropertySheet)CPropSheet::CPropSheet(UINT nIDCaption, CWnd* pParentWnd, UINT iSelectPage)
:CPropertySheet(nIDCaption, pParentWnd, iSelectPage)
{

AddPage((CPropertyPage*)&m_p1);
AddPage((CPropertyPage*)&m_p2);
AddPage((CPropertyPage*)&m_p3);
}
CPropSheet::CPropSheet(LPCTSTR pszCaption, CWnd* pParentWnd, UINT iSelectPage)
:CPropertySheet(pszCaption, pParentWnd, iSelectPage)
{ 

AddPage((CPropertyPage*)&m_p1);
AddPage((CPropertyPage*)&m_p2);
AddPage((CPropertyPage*)&m_p3);
}
CPropSheet::~CPropSheet()
{
}
BEGIN_MESSAGE_MAP(CPropSheet, CPropertySheet)
END_MESSAGE_MAP()
#include "PropDoc.h"
#include "PropView.h"
#include "PropSheet.h"
#ifdef _DEBUG
#define new DEBUG_NEW
#endif
// CPropView
IMPLEMENT_DYNCREATE(CPropView, CView)BEGIN_MESSAGE_MAP(CPropView, CView)
ON_WM_CONTEXTMENU()
ON_WM_RBUTTONUP()
ON_COMMAND(IDM_PROPERTYSHEET, &CPropView::OnPropertysheet)
END_MESSAGE_MAP()// CPropView 构造/析构CPropView::CPropView()
{
// TODO: 在此处添加构造代码}
CPropView::~CPropView()
{
}
BOOL CPropView::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);
}
// CPropView 绘制void CPropView::OnDraw(CDC* /*pDC*/)
{
CPropDoc* pDoc = GetDocument();
ASSERT_VALID(pDoc);
if (!pDoc)
return; // TODO: 在此处为本机数据添加绘制代码
}
void CPropView::OnRButtonUp(UINT /* nFlags */, CPoint point)
{
ClientToScreen(&point);
OnContextMenu(this, point);
}void CPropView::OnContextMenu(CWnd* /* pWnd */, CPoint point)
{
#ifndef SHARED_HANDLERS
theApp.GetContextMenuManager()->ShowPopupMenu(IDR_POPUP_EDIT, point.x, point.y, this, TRUE);
#endif
}// CPropView 诊断#ifdef _DEBUG
void CPropView::AssertValid() const
{
CView::AssertValid();
}
void CPropView::Dump(CDumpContext& dc) const
{
CView::Dump(dc);
}CPropDoc* CPropView::GetDocument() const // 非调试版本是内联的
{
ASSERT(m_pDocument->IsKindOf(RUNTIME_CLASS(CPropDoc)));
return (CPropDoc*)m_pDocument;
}
#endif //_DEBUG
// CPropView 消息处理程序
void CPropView::OnPropertysheet()
{
// TODO: 在此添加命令处理程序代码
CPropertySheet propSheet("单子");
propSheet.DoModal();
}