I am using a Honeywell Xenon Imaging scanner to capture both images and barcode. I have the barcodes working but am stuck trying to read an image. Using Microsoft.PointOfService, I am unable to cast the scanner as a ImageScanner, so instead am trying to send a DirectIO command to retrieve an image off the device. Using the honeywell EZConfig I can capture an image by sending the command IMGSNP0T;IMGSHP6F2P
- however I can't figure out how to do this with Microsoft POS.
This is what I have now:
string command = "IMGSNP0T;IMGSHP6F2P";
DirectIOData response = scanner.DirectIO(0, 1024, command);
byte[] buffer = (byte[])response.Object;
Console.WriteLine("$: Response: " + BitConverter.ToString(buffer));
Which gives me this error:
[PosException]: Microsoft.PointOfService.PosControlException: Method DirectIO threw an exception. Attempt was made to perform an illegal or unsupported operation with the device, or an invalid parameter value was used.
ErrorCode: Failure
ErrorCodeExtended: 0
I believe the error could be with one of the first two params of the DirectIO command, I am not sure what I am meant to pass in for them and was just guessing, here is the method:
public abstract DirectIOData DirectIO(int command, int data, object obj);