mainfrm.cpp

来自「深入浅出Visual C++入门进阶与应用实例 随书光盘 作者 何志丹」· C++ 代码 · 共 141 行

// MainFrm.cpp : implementation of the CMainFrame class
//

#include "stdafx.h"
#include "Ex030202.h"

#include "MainFrm.h"

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

/////////////////////////////////////////////////////////////////////////////
// CMainFrame

IMPLEMENT_DYNCREATE(CMainFrame, CFrameWnd)

BEGIN_MESSAGE_MAP(CMainFrame, CFrameWnd)
	//{{AFX_MSG_MAP(CMainFrame)
		// NOTE - the ClassWizard will add and remove mapping macros here.
		//    DO NOT EDIT what you see in these blocks of generated code !
	ON_WM_CREATE()
	ON_CBN_SELCHANGE(IDC_MYCOMBOX, OnSelchangeCombo)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

static UINT indicators[] =
{
	ID_SEPARATOR,           // status line indicator
	ID_INDICATOR_CAPS,
	ID_INDICATOR_NUM,
	ID_INDICATOR_SCRL,
};

/////////////////////////////////////////////////////////////////////////////
// CMainFrame construction/destruction

CMainFrame::CMainFrame()
{
	// TODO: add member initialization code here
	
}

CMainFrame::~CMainFrame()
{
}

int CMainFrame::OnCreate(LPCREATESTRUCT lpCreateStruct)
{
	if (CFrameWnd::OnCreate(lpCreateStruct) == -1)
		return -1;
	
	if (!m_wndToolBar.CreateEx(this, TBSTYLE_FLAT, WS_CHILD | WS_VISIBLE | CBRS_TOP
		| CBRS_GRIPPER | CBRS_TOOLTIPS | CBRS_FLYBY | CBRS_SIZE_DYNAMIC) ||
		!m_wndToolBar.LoadToolBar(IDR_MAINFRAME))
	{
		TRACE0("Failed to create toolbar\n");
		return -1;      // fail to create
	}


	//更改最后一个按钮的大小
	CToolBarCtrl& toolCtrl = m_wndToolBar.GetToolBarCtrl();
	int iCount = toolCtrl.GetButtonCount();
	m_wndToolBar.SetButtonInfo(iCount-1,ID_SEPARATOR,TBBS_SEPARATOR,100);

	//计算生成的组合框的大小
	CRect r ;
	m_wndToolBar.GetItemRect(iCount-1,&r);
	r.bottom = r.top + 120 ;

	//生成组合框
	if(!m_comBox.Create(CBS_DROPDOWN | WS_VISIBLE | WS_VSCROLL | CBS_AUTOHSCROLL,r,&m_wndToolBar,IDC_MYCOMBOX))
	{
		MessageBox("Failed to create combobox!");//生成失败
	}
	else
	{//为组合框增加选项
		m_comBox.AddString("第一项");
		m_comBox.AddString("第二项");
	}
	//选中第一项
	m_comBox.SetCurSel(0);

	if (!m_wndStatusBar.Create(this) ||
		!m_wndStatusBar.SetIndicators(indicators,
		  sizeof(indicators)/sizeof(UINT)))
	{
		TRACE0("Failed to create status bar\n");
		return -1;      // fail to create
	}

	// TODO: Delete these three lines if you don't want the toolbar to
	//  be dockable
	m_wndToolBar.EnableDocking(CBRS_ALIGN_ANY);
	EnableDocking(CBRS_ALIGN_ANY);
	DockControlBar(&m_wndToolBar);

	return 0;
}

BOOL CMainFrame::PreCreateWindow(CREATESTRUCT& cs)
{
	if( !CFrameWnd::PreCreateWindow(cs) )
		return FALSE;
	// TODO: Modify the Window class or styles here by modifying
	//  the CREATESTRUCT cs

	return TRUE;
}

/////////////////////////////////////////////////////////////////////////////
// CMainFrame diagnostics

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

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

#endif //_DEBUG

void CMainFrame::OnSelchangeCombo() 
{
	int nSel = m_comBox.GetCurSel();
	CString strMess ;
	strMess.Format("选中%d项",nSel+1);
	AfxMessageBox(strMess);	
}

/////////////////////////////////////////////////////////////////////////////
// CMainFrame message handlers