zoukankan      html  css  js  c++  java
  • windows实时监测热插拔设备的变化2

    //动态监测设备插拔
    #include <Dbt.h>
    BEGIN_MESSAGE_MAP(ParticipateMeeting, CDialogEx)
        ON_WM_DEVICECHANGE()
    END_MESSAGE_MAP()
    afx_msg BOOL OnDeviceChange(UINT nEventType, DWORD dwData);
    BOOL ParticipateMeeting::OnDeviceChange(UINT nEventType, DWORD dwData)
    {
        DEV_BROADCAST_DEVICEINTERFACE * dbd = (DEV_BROADCAST_DEVICEINTERFACE*)dwData;
        switch (nEventType)
        {
        case   DBT_DEVICEARRIVAL:
            MessageBox(L"Device arrival!");
            break;
        case   DBT_DEVICEQUERYREMOVE:
            //   Handle   device   removal   request  
            MessageBox(L"Device request remove!");
            break;
        case   DBT_DEVICEREMOVECOMPLETE:
            //   Handle   device   removal  
            MessageBox(L"Device removal!");
            break;
        case   DBT_DEVNODES_CHANGED:
            //
            MessageBox(L"DBT_DEVNODES_CHANGED");
            break;
        case   DBT_DEVTYP_DEVICEINTERFACE:
            //
            MessageBox(L"DBT_DEVTYP_DEVICEINTERFACE");
            break;
    
        case   DBT_DEVTYP_HANDLE:
            //
            MessageBox(L"DBT_DEVTYP_HANDLE");
            break;
    
        case   DBT_DEVTYP_OEM:
            //
            MessageBox(L"DBT_DEVTYP_OEM");
            break;
    
        case   DBT_DEVTYP_PORT:
            //
            MessageBox(L"DBT_DEVTYP_PORT");
            break;
    
        case   DBT_DEVTYP_VOLUME:
            //
            MessageBox(L"DBT_DEVTYP_VOLUME");
            break;
    
        default:
            MessageBox(L"others!");
            break;
        }
    
    
        return  TRUE;
    }
  • 相关阅读:
    生活感悟
    shell语法
    mycat
    阐述 如何高效理解学习
    部署ETCD集群
    文件修改
    文件处理
    a's
    shell中备份web站点及数据库
    openssh版本升级修复漏洞
  • 原文地址:https://www.cnblogs.com/happykoukou/p/9167754.html
Copyright © 2011-2022 走看看