TwainPRO 9 for ActiveX - User Guide > How To > Open a TWAIN Session > Open the TWAIN Session |
Prior to Opening the TWAIN Session, the following should be done: |
The application opens a TWAIN session by calling the OpenSession method. Once a Twain Session has been initiated, the application can read and modify Data Source capabilities, and specify instructions for scanning, such as scanning DPI and layout.