void DAlerter_DiskChangeEvent(DriveChangedArgs e)
{
//MessageBox.Show(e.DriveLetter + ", " + e.InterfaceType + ", " + e.ChangeType);
try
{
if (this.InvokeRequired)
{
// this is what we do if the event comes in from another thread
MethodInvoker del = delegate { DAlerter_DiskChangeEvent(e); };
this.Invoke(del);
return;
}
else
{
// this is what we do as a result of the invoke() or if its
// on the same thread as the handler
frmNotice.Show();
Application.DoEvents();
bDriveRescan = true;
cbDriveList.Text = "";
cbDriveList.Items.Clear();
tvFolderTree.Nodes.Clear();
DataGridView1.Rows.Clear();
GetDrives();
bDriveRescan = false;
}
}
catch (Exception de)
{
frmNotice.Hide();
Application.DoEvents();
MessageBox.Show("rescan error: " + de);
}
if (frmNotice != null)
{
frmNotice.Hide();
Application.DoEvents();
}
}
/*
* 0 = Unknown
* 1 = No Root Directory
* 2 = Removable Disk
* 3 = Local Disk
* 4 = Network Drive
* 5 = Compact Disc
* 6 = RAM Disk
*/
private void Watcher_EventArrived(object sender, EventArrivedEventArgs e)
{
DriveChangedArgs a1 = new DriveChangedArgs();
/*
* int iDriveType = 0;
* ManagementBaseObject mbo, obj;
* mbo = (ManagementBaseObject)e.NewEvent;
* obj = (ManagementBaseObject)mbo["TargetInstance"];
* try
* { iDriveType = int.Parse(obj["DriveType"].ToString()); }
* catch
* { iDriveType = 0; }
* DriveChangedArgs a1 = new DriveChangedArgs
* {
* DriveLetter = obj["Name"].ToString()
* };
* if (obj.ClassPath.ToString().ToLower().Contains("mapped") || iDriveType == 4)
* a1.InterfaceType = "MappedDrive";
* if (obj.ClassPath.ToString().Contains("Win32_DiskDrive") || iDriveType == 4)
* {
* try
* {
* a1.InterfaceType = obj["InterfaceType"].ToString();
* }
* catch
* {
* a1.InterfaceType = "unknown";
* }
* try
* {
* a1.DriveLetter = GetDriveLetterFromDisk(obj["Name"].ToString());
* if (!USBdic.ContainsKey(obj["Name"].ToString()))
* { USBdic.Add(obj["Name"].ToString(), a1.DriveLetter); }
* }
* catch
* {
* if (USBdic.ContainsKey(obj["Name"].ToString()))
* {
* a1.DriveLetter = USBdic[obj["Name"].ToString()];
* USBdic.Remove(obj["Name"].ToString());
* }
* else
* a1.DriveLetter = "unknown";
* }
* }
* switch (mbo.ClassPath.ClassName)
* {
* case "__InstanceCreationEvent":
* a1.ChangeType = DriveChangeType.Create;
* break;
* case "__InstanceDeletionEvent":
* a1.ChangeType = DriveChangeType.Remove;
* break;
* case "__InstanceModificationEvent":
* a1.ChangeType = DriveChangeType.MediaChange;
* break;
* default:
* a1.ChangeType = DriveChangeType.Other;
* break;
* }
*/
try
{
DiskChangeEvent.Invoke(a1);
}
catch (Exception ex)
{
Debug.WriteLine("Watchereventarrived(): " + ex);
}
}