showmodelessdialogview.cpp

本文件中包含的是《VC编程100例》一书中的源代码

// ShowModelessDialogView.cpp : implementation of the CShowModelessDialogView class
//

#include "stdafx.h"
#include "ShowModelessDialog.h"

#include "ShowModelessDialogDoc.h"
#include "ShowModelessDialogView.h"

#include "ModelessDialog.h"

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

/////////////////////////////////////////////////////////////////////////////
// CShowModelessDialogView

IMPLEMENT_DYNCREATE(CShowModelessDialogView, CView)

BEGIN_MESSAGE_MAP(CShowModelessDialogView, CView)
	//{{AFX_MSG_MAP(CShowModelessDialogView)
	ON_COMMAND(ID_MODELESS, OnShowMD)
	ON_MESSAGE(WM_GOODBYE, OnGoodbye)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CShowModelessDialogView construction/destruction

CShowModelessDialogView::CShowModelessDialogView()
{
	// TODO: add construction code here
	//在堆中生成指向CModelessDialog对象的数据成员
	m_pDlg = new CModelessDialog(this);

}

CShowModelessDialogView::~CShowModelessDialogView()
{
	//删除对象，释放堆空间
	delete m_pDlg;
}

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

	return CView::PreCreateWindow(cs);
}

/////////////////////////////////////////////////////////////////////////////
// CShowModelessDialogView drawing

void CShowModelessDialogView::OnDraw(CDC* pDC)
{
	// TODO: add draw code for native data here
	pDC->TextOut(0, 0, "请选择 演示 -> 非模态对话框 进行演示");
}

/////////////////////////////////////////////////////////////////////////////
// CShowModelessDialogView diagnostics

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

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

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

/////////////////////////////////////////////////////////////////////////////
// CShowModelessDialogView message handlers

//WM_GOODBYE的消息处理函数
LRESULT CShowModelessDialogView::OnGoodbye(WPARAM wParam, LPARAM lParam)
{
	//输出按钮的ID
	//OK按钮ID为1，CANCLE按钮ID为2
	TRACE("CShowModelessDialogView::OnGoodbye %x, %x\n", wParam);
	//输出非模态对话框 Modeless Dialog 的编辑控件的内容
	m_pDlg->m_strEdit1 = "";
	m_pDlg->DestroyWindow();
	return 0L;
}

//“演示”菜单“非模态对话框”选项的消息处理函数
void CShowModelessDialogView::OnShowMD() 
{
	//如果对话框不存在则创建对话框
	if(m_pDlg->GetSafeHwnd() == 0)
	{
		//显示Show Modeless Dialog对话框
		m_pDlg->Create();
	}
}