, ok, now I have a USB bar code printers, through object printer to print labels, bar code number order but every time want to print a few thousand to 1 w a, printer if an error, written by VB program will always send print instructions to the printer, I want to use VB to read the printer status regularly, when the printer error is automatically suspended printing the instruction to send, but checked for a long time did not find samples of USB printer information and code, want to consult with you here, hope you glad!
On a post don't know how to knot posted at the time, wait until today to knot, novice dog of forgiveness,,,,,,,, the score is not much, I hope you forgive me!!!!!

CodePudding user response:

Be afraid to send data too fast is not good control, so didn't generate a barcode label is 0.3 seconds delay to send, I just couldn't monitor to the state of the USB printer, please grant instruction!!!!!!

CodePudding user response:

0.0 how like nobody in appearance, a variety of turning around

CodePudding user response:

Is the state take the print task,
When you print, desktop lower-right corner a printer tray icon,
Double-click to open, can see the inside of the print task,
Have a state,