第二十八篇 -- 写一个简陋的WIFI服务器界面

效果图：

Dlg.cpp

// WIFIWMITestDlg.cpp : implementation file
//

#include "stdafx.h"
#include "WIFIWMITest.h"
#include "WIFIWMITestDlg.h"
#include "afxdialogex.h"

#ifdef _DEBUG
#define new DEBUG_NEW
#endif

// CAboutDlg dialog used for App About

class CAboutDlg : public CDialogEx
{
public:
    CAboutDlg();

// Dialog Data
#ifdef AFX_DESIGN_TIME
    enum { IDD = IDD_ABOUTBOX };
#endif

    protected:
    virtual void DoDataExchange(CDataExchange* pDX);    // DDX/DDV support

// Implementation
protected:
    DECLARE_MESSAGE_MAP()
};

CAboutDlg::CAboutDlg() : CDialogEx(IDD_ABOUTBOX)
{
}

void CAboutDlg::DoDataExchange(CDataExchange* pDX)
{
    CDialogEx::DoDataExchange(pDX);
}

BEGIN_MESSAGE_MAP(CAboutDlg, CDialogEx)
END_MESSAGE_MAP()

// CWIFIWMITestDlg dialog

CWIFIWMITestDlg::CWIFIWMITestDlg(CWnd* pParent /*=nullptr*/)
    : CDialogEx(IDD_WIFIWMITEST_DIALOG, pParent)
{
    m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
}

void CWIFIWMITestDlg::DoDataExchange(CDataExchange* pDX)
{
    CDialogEx::DoDataExchange(pDX);
    DDX_Control(pDX, IDC_STATIC8, Icon_Static);
    DDX_Control(pDX, IDC_STATIC9, Icon_Static_Green);
    DDX_Control(pDX, IDC_STATIC1, Server_Status);
}

BEGIN_MESSAGE_MAP(CWIFIWMITestDlg, CDialogEx)
    ON_WM_SYSCOMMAND()
    ON_WM_PAINT()
    ON_WM_QUERYDRAGICON()
    ON_COMMAND(ID_SERVER_START, &CWIFIWMITestDlg::OnServerStart)
    ON_COMMAND(ID_SERVER_STOP, &CWIFIWMITestDlg::OnServerStop)
    ON_UPDATE_COMMAND_UI(ID_SERVER_STOP, &CWIFIWMITestDlg::OnUpdateServerStop)
END_MESSAGE_MAP()

// CWIFIWMITestDlg message handlers

BOOL CWIFIWMITestDlg::OnInitDialog()
{
    CDialogEx::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 != nullptr)
    {
        BOOL bNameValid;
        CString strAboutMenu;
        bNameValid = strAboutMenu.LoadString(IDS_ABOUTBOX);
        ASSERT(bNameValid);
        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
    //添加menu菜单
    m_Menu.LoadMenu(IDR_MENU1);  //  IDR_MENU1
    SetMenu(&m_Menu);
    //使菜单变灰
    m_Menu.GetSubMenu(0)->EnableMenuItem(ID_SERVER_STOP, MF_BYCOMMAND | MF_DISABLED | MF_GRAYED);

    //添加红绿灰三种图标
    DWORD dwStyle = WS_VISIBLE | WS_CHILD | SS_ICON;
    ::SetWindowLong(Icon_Static.m_hWnd, GWL_STYLE, dwStyle);
    ::SetWindowLong(Icon_Static_Green.m_hWnd, GWL_STYLE, dwStyle);
    //HICON hIcon = ::LoadIcon(AfxGetResourceHandle(), MAKEINTRESOURCE(IDI_ICON1));
    //((CStatic *)GetDlgItem(IDC_STATIC5))->SetIcon(hIcon);
    HICON hIcon_red = (HICON)::LoadImage(AfxGetInstanceHandle(),
        1 ? MAKEINTRESOURCE(IDI_ICON1) : MAKEINTRESOURCE(IDI_ICON2),
        IMAGE_ICON, 16, 16, LR_SHARED);
    HICON hIcon_gray = (HICON)::LoadImage(AfxGetInstanceHandle(),
        0 ? MAKEINTRESOURCE(IDI_ICON1) : MAKEINTRESOURCE(IDI_ICON3),
        IMAGE_ICON, 16, 16, LR_SHARED);
    ((CStatic *)GetDlgItem(IDC_STATIC8))->SetIcon(hIcon_red);
    ((CStatic *)GetDlgItem(IDC_STATIC9))->SetIcon(hIcon_gray);

    return TRUE;  // return TRUE  unless you set the focus to a control
}

void CWIFIWMITestDlg::OnSysCommand(UINT nID, LPARAM lParam)
{
    if ((nID & 0xFFF0) == IDM_ABOUTBOX)
    {
        CAboutDlg dlgAbout;
        dlgAbout.DoModal();
    }
    else
    {
        CDialogEx::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 CWIFIWMITestDlg::OnPaint()
{
    if (IsIconic())
    {
        CPaintDC dc(this); // device context for painting

        SendMessage(WM_ICONERASEBKGND, reinterpret_cast<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
    {
        CDialogEx::OnPaint();
    }
}

// The system calls this function to obtain the cursor to display while the user drags
//  the minimized window.
HCURSOR CWIFIWMITestDlg::OnQueryDragIcon()
{
    return static_cast<HCURSOR>(m_hIcon);
}

void CWIFIWMITestDlg::OnServerStart()
{
    // TODO: Add your command handler code here
    CWnd* pWnd = GetDlgItem(IDC_STATIC1);
    pWnd->SetWindowText(_T(" Server is online!"));

    HICON hIcon_green = (HICON)::LoadImage(AfxGetInstanceHandle(),
        0 ? MAKEINTRESOURCE(IDI_ICON1) : MAKEINTRESOURCE(IDI_ICON2),
        IMAGE_ICON, 16, 16, LR_SHARED);
    ((CStatic *)GetDlgItem(IDC_STATIC9))->SetIcon(hIcon_green);

    HICON hIcon_gray = (HICON)::LoadImage(AfxGetInstanceHandle(),
        0 ? MAKEINTRESOURCE(IDI_ICON1) : MAKEINTRESOURCE(IDI_ICON3),
        IMAGE_ICON, 16, 16, LR_SHARED);
    ((CStatic *)GetDlgItem(IDC_STATIC8))->SetIcon(hIcon_gray);

    //恢复菜单变亮
    m_Menu.GetSubMenu(0)->EnableMenuItem(ID_SERVER_STOP, MF_BYCOMMAND | MF_ENABLED);
    //使菜单变灰
    m_Menu.GetSubMenu(0)->EnableMenuItem(ID_SERVER_START, MF_BYCOMMAND | MF_DISABLED | MF_GRAYED);
    //MessageBox((LPCTSTR)"Server Ready！");
}

void CWIFIWMITestDlg::OnServerStop()
{
    // TODO: Add your command handler code here
    CWnd* pWnd = GetDlgItem(IDC_STATIC1);
    pWnd->SetWindowText(_T(" Server is offline!"));

    HICON hIcon_red = (HICON)::LoadImage(AfxGetInstanceHandle(),
        1 ? MAKEINTRESOURCE(IDI_ICON1) : MAKEINTRESOURCE(IDI_ICON2),
        IMAGE_ICON, 16, 16, LR_SHARED);
    ((CStatic *)GetDlgItem(IDC_STATIC8))->SetIcon(hIcon_red);

    HICON hIcon_gray = (HICON)::LoadImage(AfxGetInstanceHandle(),
        0 ? MAKEINTRESOURCE(IDI_ICON1) : MAKEINTRESOURCE(IDI_ICON3),
        IMAGE_ICON, 16, 16, LR_SHARED);
    ((CStatic *)GetDlgItem(IDC_STATIC9))->SetIcon(hIcon_gray);

    //恢复菜单变亮
    m_Menu.GetSubMenu(0)->EnableMenuItem(ID_SERVER_START, MF_BYCOMMAND | MF_ENABLED);
    //使菜单变灰
    m_Menu.GetSubMenu(0)->EnableMenuItem(ID_SERVER_STOP, MF_BYCOMMAND | MF_DISABLED | MF_GRAYED);
}

void CWIFIWMITestDlg::OnUpdateServerStop(CCmdUI *pCmdUI)
{
    // TODO: Add your command update UI handler code here
}

Dlg.h

// WIFIWMITestDlg.h : header file
//

#pragma once

// CWIFIWMITestDlg dialog
class CWIFIWMITestDlg : public CDialogEx
{
// Construction
public:
    CWIFIWMITestDlg(CWnd* pParent = nullptr);    // standard constructor

// Dialog Data
#ifdef AFX_DESIGN_TIME
    enum { IDD = IDD_WIFIWMITEST_DIALOG };
#endif

    protected:
    virtual void DoDataExchange(CDataExchange* pDX);    // DDX/DDV support

// Implementation
protected:
    HICON m_hIcon;

    // Generated message map functions
    virtual BOOL OnInitDialog();
    afx_msg void OnSysCommand(UINT nID, LPARAM lParam);
    afx_msg void OnPaint();
    afx_msg HCURSOR OnQueryDragIcon();
    DECLARE_MESSAGE_MAP()

public:
    CMenu m_Menu;
    afx_msg void OnServerStart();
    CStatic Icon_Static;
    CStatic Icon_Static_Green;
    CStatic Server_Status;
    afx_msg void OnServerStop();
    afx_msg void OnUpdateServerStop(CCmdUI *pCmdUI);
};

菜单的模样

分隔符这个问题，看下面

将下拉菜单要添加分隔符的地方，把Separator设置为True就行了。