Windows Image Acquisition 2.0

[wachucky]

hi all,

i try to use WIA 2.0 for my project which use scanner, it works fine..but i'm don't know how to detect wether the scanner is connected to the pc or not. i like to prompt a message when the program found that there is no scanner connected to the pc. Could anyone help me=)..anyway, i found this code somewhere but its not working. Please help me

DeviceManager manager = new DeviceManagerClass();
foreach (DeviceInfo info in manager.DeviceInfos)
{
if (info.Type == WiaDeviceType.ScannerDeviceType)
{
DetectScanner = info.Connect();
break;
}
else
{
scanStatus = 1;
MessageBox.Show(this, "Scanner not found! Please make sure the scanner is switched on and connected properly!", "Scanner", MessageBoxButtons.OK, MessageBoxIcon.Stop);
this.Close();
return;
}
}