检测驱动器安装在C＃中的事件 [英] Detect drive mount event in c#

问题描述

如何捕捉一个事件时，一个新的驱动器将被添加到我的电脑，最好是和新时挂载点对于一些驱动器在NTFS硬盘创建的？

How to catch an event when a new drive is added to My Computer and preferably and when new mount point for some drive is created on a NTFS drive?

我figued了这一点，但它不工作在已安装的文件夹：

I figued out this but it doesn't work on mounted folders:

 _eventWatcher = new ManagementEventWatcher("SELECT * FROM Win32_VolumeChangeEvent");

 _eventWatcher.EventArrived += (o, args) => 
     {switch(args.NewEvent["EventType"].ToString()[0])
         {
             case '2':
                 //mount
                 Debug.WriteLine(args.NewEvent["DriveName"]);
                 break;
             case '3':
                 //unmount
                 break;
         }
     };

 _eventWatcher.Start();

任何想法？

Any ideas?

推荐答案

如果你有一个表单，您可以覆盖其WndProc方法捕捉WM_DEVICECHANGE消息作为尤金提到的：

If you have a form, you can override its WndProc method to catch WM_DEVICECHANGE messages as Eugene mentioned:

private const int WM_DEVICECHANGE = 0x219;

protected override void WndProc(ref Message m)
{
    base.WndProc(m);

    if (m.Msg == WM_DEVICECHANGE)
    {
        // Check m.wParam to see exactly what happened
    }
}

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