C#检测pc光驱里插入了光盘的代码
将开发过程经常用的一些代码段做个备份,如下代码段是关于C# 检测pc光驱里插入了光盘的代码,应该能对码农们也有好处。
using System;
using System.Management;
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namespace CDROMManagement
{
class WMIEvent
{
static void Main(string[] args)
{
WMIEvent we = new WMIEvent();
ManagementEventWatcher w = null;
WqlEventQuery q;
ManagementOperationObserver observer = new
ManagementOperationObserver();
ConnectionOptions opt = new ConnectionOptions();
ManagementScope scope = new ManagementScope( "root\CIMV2", opt );
try
{
q = new WqlEventQuery();
q.EventClassName = "__InstanceModificationEvent";
q.WithinInterval = new TimeSpan( 0, 0, 1 );
q.Condition = @"TargetInstance ISA 'Win32_LogicalDisk' and
TargetInstance.DriveType = 5";
w = new ManagementEventWatcher( scope, q );
w.EventArrived += new EventArrivedEventHandler( we.CDREventArrived );
w.Start();
Console.ReadLine();
}
catch( Exception e )
{
Console.WriteLine( e.Message );
}
finally
{
w.Stop();
}
}
public void CDREventArrived(object sender, EventArrivedEventArgs e)
{
PropertyData pd = e.NewEvent.Properties["TargetInstance"];
if (pd != null)
{
ManagementBaseObject mbo = pd.Value as ManagementBaseObject;
if (mbo.Properties["VolumeName"].Value != null)
{
Console.WriteLine("CD has been inserted");
}
else
{
Console.WriteLine("CD has been ejected");
}
}
}
}
}
名称栏目:C#检测pc光驱里插入了光盘的代码
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