mainfrm.cpp

VC.net 的一些有用的技巧

// MainFrm.cpp : CMainFrame 类的实现
//

#include "stdafx.h"
#include "StatusBarDemo.h"

#include "MainFrm.h"

#ifdef _DEBUG
#define new DEBUG_NEW
#endif


// CMainFrame

IMPLEMENT_DYNCREATE(CMainFrame, CFrameWnd)

BEGIN_MESSAGE_MAP(CMainFrame, CFrameWnd)
	ON_WM_CREATE()
	ON_WM_TIMER()
	ON_COMMAND(ID_PROGRESS, OnProgress)
	ON_WM_CLOSE()
END_MESSAGE_MAP()

static UINT indicators[] =
{
	ID_INDICATOR_TEXT,
	ID_INDICATOR_MOUSE,
	ID_INDICATOR_CLOCK,
	ID_INDICATOR_PROGRESS,
	ID_INDICATOR_BITMAP,
};


// CMainFrame 构造/销毁

CMainFrame::CMainFrame()
: cxWidth(0)
, nID(0)
, nStyle(0)
, str(_T("欢迎使用Visual C++.NET！"))
, str1(_T("欢迎使用Visual C++.NET！"))
, m_count(0)
, str2(_T(""))
, m_bCreated(false)
{
	// TODO：在此添加成员初始化代码
}

CMainFrame::~CMainFrame()
{
}


int CMainFrame::OnCreate(LPCREATESTRUCT lpCreateStruct)
{
	if (CFrameWnd::OnCreate(lpCreateStruct) == -1)
		return -1;

	if (!m_wndStatusBar.Create(this) ||
		!m_wndStatusBar.SetIndicators(indicators,
		  sizeof(indicators)/sizeof(UINT)))
	{
		TRACE0("未能创建状态栏\n");
		return -1;      // 未能创建
	}
	m_wndStatusBar.SetPaneInfo(0,ID_INDICATOR_TEXT,SBPS_POPOUT,200);
	m_wndStatusBar.SetPaneInfo(1,ID_INDICATOR_MOUSE,SBPS_POPOUT,100);
	m_wndStatusBar.SetPaneInfo(2,ID_INDICATOR_CLOCK,SBPS_POPOUT,100);
	m_wndStatusBar.SetPaneInfo(3,ID_INDICATOR_PROGRESS,SBPS_POPOUT,200);
	m_wndStatusBar.GetPaneInfo(4,nID,nStyle,cxWidth);
	m_wndStatusBar.SetPaneInfo(4,nID,nStyle|SBT_OWNERDRAW,cxWidth);
	SetTimer(1,200,NULL);
	SetTimer(2,10,NULL);
	return 0;
}

BOOL CMainFrame::PreCreateWindow(CREATESTRUCT& cs)
{
	if( !CFrameWnd::PreCreateWindow(cs) )
		return FALSE;
	// TODO: 在此处通过修改 CREATESTRUCT cs 来修改窗口类或
	// 样式

	cs.style = WS_OVERLAPPED | WS_CAPTION | FWS_ADDTOTITLE
		 | WS_THICKFRAME | WS_MINIMIZEBOX | WS_MAXIMIZEBOX | WS_MAXIMIZE | WS_SYSMENU;

	return TRUE;
}


// CMainFrame 诊断

#ifdef _DEBUG
void CMainFrame::AssertValid() const
{
	CFrameWnd::AssertValid();
}

void CMainFrame::Dump(CDumpContext& dc) const
{
	CFrameWnd::Dump(dc);
}

#endif //_DEBUG


// CMainFrame 消息处理程序


void CMainFrame::OnTimer(UINT nIDEvent)
{
	// TODO: 在此添加消息处理程序代码和/或调用默认值
	if(nIDEvent==1)
	{
		if(str.IsEmpty())
			str=str1;
		m_wndStatusBar.SetPaneText(0,str);
		str=str.Right(str.GetLength()-2);		
	}
	if(nIDEvent==2)
	{
		::GetLocalTime(&t);
		str2.Format("%d:%d:%d",t.wHour,t.wMinute,t.wSecond);
		m_wndStatusBar.SetPaneText(2,str2);
	}
	if(nIDEvent==3)
	{
		if (m_count<100)
		{
			m_count++;
			m_Progress.StepIt();
		}
		else
		{
			m_count=0;
			KillTimer(3);
			m_Progress.SetPos(0);
		}
	}
	CFrameWnd::OnTimer(nIDEvent);
}

void CMainFrame::OnProgress()
{
	// TODO: 在此添加命令处理程序代码
	if(m_bCreated==false)
	{
		RECT MyRect;
		m_wndStatusBar.GetItemRect(3, &MyRect);
		m_Progress.Create(WS_VISIBLE|WS_CHILD, MyRect, &m_wndStatusBar, 1);
		m_Progress.SetRange(0,100);
		m_Progress.SetStep(1);
		m_bCreated=true;
	}
	SetTimer(3,20,NULL);
}

void CMainFrame::OnClose()
{
	// TODO: 在此添加消息处理程序代码和/或调用默认值
	KillTimer(1);
	KillTimer(2);
	CFrameWnd::OnClose();
}