/// <summary>
/// Enumerate all printer queues available to the local system.
/// </summary>
/// <returns>An array of PrinterDeviceInfo objects.</returns>
/// <remarks></remarks>
public static PrinterDeviceInfo[] EnumPrinters()
{
var p = _internalEnumerateDevices <PrinterDeviceInfo>(DevProp.GUID_DEVINTERFACE_PRINTER, ClassDevFlags.DeviceInterface | ClassDevFlags.Present);
if (p is object && p.Count() > 0)
{
foreach (var x in p)
{
if (string.IsNullOrEmpty(x.FriendlyName))
{
continue;
}
try
{
x.PrinterInfo = PrinterObject.GetPrinterInfoObject(x.FriendlyName);
}
catch
{
// can't connect to that printer!
continue;
}
}
}
if (p is null)
{
return(null);
}
Array.Sort(p, new Comparison <PrinterDeviceInfo>((x, y) => { if (x.FriendlyName is object && y.FriendlyName is object)
{
return(string.Compare(x.FriendlyName, y.FriendlyName));
}
else
{
return(string.Compare(x.Description, y.Description));
} }));
return(p);
}