The scanner is used in the development project, and some source code has written an image scanner (exe) on the Internet. Use the API function createProcess to start the scanner in VB, and the scanning process starts the VB program and scanner. Two processes die locks, they cannot continue, and then start the scanning process and call doevents after the scanning process. You can also cause a large number of calculations or other operations to cause the program interface without reacting, you can refresh it in time.
