internal static IEnumerable <string> GetDeviceIdList(string filter, CmGetIdListFlags flags)
{
int retry_count = 10;
while (retry_count-- > 0)
{
DeviceNativeMethods.CM_Get_Device_ID_List_SizeW(out int length, filter, flags).ToNtStatus().ToNtException();
using (var buffer = new SafeHGlobalBuffer(length * 2)) {
var result = DeviceNativeMethods.CM_Get_Device_ID_ListW(filter, buffer, length, flags);
if (result == CrError.BUFFER_SMALL)
{
continue;
}
result.ToNtStatus().ToNtException();
return(buffer.ReadUnicodeString(length).Split(new char[] { '\0' }, StringSplitOptions.RemoveEmptyEntries));
}
}
throw new ArgumentException("Couldn't enumerate device ID list.");
}
