界面编程

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Visual C++

Combo_ImageDlg.cpp：源码内容
							// Combo_ImageDlg.cpp : implementation file
//
#include "stdafx.h"
#include "Combo_Image.h"
#include "Combo_ImageDlg.h"
#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif
/////////////////////////////////////////////////////////////////////////////
// CAboutDlg dialog used for App About
class CAboutDlg : public CDialog
{
public:
	CAboutDlg();
// Dialog Data
	//{{AFX_DATA(CAboutDlg)
	enum { IDD = IDD_ABOUTBOX };
	//}}AFX_DATA
	// ClassWizard generated virtual function overrides
	//{{AFX_VIRTUAL(CAboutDlg)
	protected:
	virtual void DoDataExchange(CDataExchange* pDX);    // DDX/DDV support
	//}}AFX_VIRTUAL
// Implementation
protected:
	//{{AFX_MSG(CAboutDlg)
	//}}AFX_MSG
	DECLARE_MESSAGE_MAP()
};
CAboutDlg::CAboutDlg() : CDialog(CAboutDlg::IDD)
{
	//{{AFX_DATA_INIT(CAboutDlg)
	//}}AFX_DATA_INIT
}
void CAboutDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CAboutDlg)
	//}}AFX_DATA_MAP
}
BEGIN_MESSAGE_MAP(CAboutDlg, CDialog)
	//{{AFX_MSG_MAP(CAboutDlg)
		// No message handlers
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()
/////////////////////////////////////////////////////////////////////////////
// CCombo_ImageDlg dialog
CCombo_ImageDlg::CCombo_ImageDlg(CWnd* pParent /*=NULL*/)
	: CDialog(CCombo_ImageDlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CCombo_ImageDlg)
		// NOTE: the ClassWizard will add member initialization here
	//}}AFX_DATA_INIT
	// Note that LoadIcon does not require a subsequent DestroyIcon in Win32
	m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
}
void CCombo_ImageDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CCombo_ImageDlg)
//	DDX_Control(pDX, IDC_COMBO1, m_combo);
	DDX_Control(pDX, IDC_COMBOBOXEX1, m_comboex);
	//}}AFX_DATA_MAP
}
BEGIN_MESSAGE_MAP(CCombo_ImageDlg, CDialog)
	//{{AFX_MSG_MAP(CCombo_ImageDlg)
	ON_WM_SYSCOMMAND()
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	ON_CBN_SELCHANGE(IDC_COMBOBOXEX1, OnSelchangeComboboxex1)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()
/////////////////////////////////////////////////////////////////////////////
// CCombo_ImageDlg message handlers
BOOL CCombo_ImageDlg::OnInitDialog()
{
	CDialog::OnInitDialog();
	// Add "About..." menu item to system menu.
	// IDM_ABOUTBOX must be in the system command range.
	ASSERT((IDM_ABOUTBOX & 0xFFF0) == IDM_ABOUTBOX);
	ASSERT(IDM_ABOUTBOX < 0xF000);
	CMenu* pSysMenu = GetSystemMenu(FALSE);
	if (pSysMenu != NULL)
	{
		CString strAboutMenu;
		strAboutMenu.LoadString(IDS_ABOUTBOX);
		if (!strAboutMenu.IsEmpty())
		{
			pSysMenu->AppendMenu(MF_SEPARATOR);
			pSysMenu->AppendMenu(MF_STRING, IDM_ABOUTBOX, strAboutMenu);
		}
	}
	// Set the icon for this dialog.  The framework does this automatically
	//  when the application's main window is not a dialog
	SetIcon(m_hIcon, TRUE);			// Set big icon
	SetIcon(m_hIcon, FALSE);		// Set small icon
	
	// TODO: Add extra initialization here
	//建立一图像列表控件，每幅图片的大小为32＊32
	Combo_ImageList.Create(32,32,TRUE,4,1);
	//将图片依次选入图像列表控件，编号是0－3，共4幅
	AddBitmap(IDB_SPADE);
	AddBitmap(IDB_HEART);
	AddBitmap(IDB_CLUB);
	AddBitmap(IDB_DIAMOND);
	//让组合列表框与图像列表控件进行关联
	this->m_comboex.SetImageList(&Combo_ImageList);
	//设立四个列表框项目，并将之加入组合列表框
	COMBOBOXEXITEM ComboListItem[4];
	LPTSTR  pszText[4]={"黑桃","红心","樱花","方块"};	
	for(int i=0;i<4;i++)
		{	
		ComboListItem[i].iItem=i;
		ComboListItem[i].mask=CBEIF_IMAGE|CBEIF_TEXT|CBEIF_SELECTEDIMAGE;
		ComboListItem[i].pszText=pszText[i];
		ComboListItem[i].cchTextMax=4;
		ComboListItem[i].iImage=i;
		ComboListItem[i].iSelectedImage=i;
		ComboListItem[i].iOverlay=2;
		this->m_comboex.InsertItem(&ComboListItem[i]);
		}
	//设定当前选择为第一个项目
	this->m_comboex.SetCurSel(0);
	return TRUE;  // return TRUE  unless you set the focus to a control
}
void CCombo_ImageDlg::OnSysCommand(UINT nID, LPARAM lParam)
{
	if ((nID & 0xFFF0) == IDM_ABOUTBOX)
	{
		CAboutDlg dlgAbout;
		dlgAbout.DoModal();
	}
	else
	{
		CDialog::OnSysCommand(nID, lParam);
	}
}
// If you add a minimize button to your dialog, you will need the code below
//  to draw the icon.  For MFC applications using the document/view model,
//  this is automatically done for you by the framework.
void CCombo_ImageDlg::OnPaint() 
{
	
	if (IsIconic())
	{
		CPaintDC dc(this); // device context for painting
		SendMessage(WM_ICONERASEBKGND, (WPARAM) dc.GetSafeHdc(), 0);
		// Center icon in client rectangle
		int cxIcon = GetSystemMetrics(SM_CXICON);
		int cyIcon = GetSystemMetrics(SM_CYICON);
		CRect rect;
		GetClientRect(&rect);
		int x = (rect.Width() - cxIcon + 1) / 2;
		int y = (rect.Height() - cyIcon + 1) / 2;
		// Draw the icon
		dc.DrawIcon(x, y, m_hIcon);
	}
	else
	{
		CDialog::OnPaint();
	}
}
// The system calls this to obtain the cursor to display while the user drags
//  the minimized window.
HCURSOR CCombo_ImageDlg::OnQueryDragIcon()
{
	return (HCURSOR) m_hIcon;
}
BOOL CCombo_ImageDlg::AddBitmap(UINT n)
{
	BOOL breturn;
	CBitmap bmp;
	breturn=bmp.LoadBitmap(n);
	if (breturn!=FALSE)
		{
		int nReturn=Combo_ImageList.Add(&bmp,RGB(255,255,255));
		bmp.DeleteObject();
		}
	//如果在装载位图的过程中有误，返回错误标志
	return breturn;
}
void CCombo_ImageDlg::OnSelchangeComboboxex1() 
{
	CString message;
	message.Format("The current choice is %d",	this->m_comboex.GetCurSel());
	AfxMessageBox(message);


	// TODO: Add your control notification handler code here
	
}

						