Displays an image as black and white. The Black-and-White display type is typically used for applications that manage black-and-white documents exclusively.The display type pertains to the way in which data is presented to the monitor. It does not alter the original image in any way. Imaging ActiveX controls support the following display types:
Black-and-White (Bi-Level) Displays an image as black and white. The Black-and-White display type is typically used for applications that manage black-and-white documents exclusively.
Common Displays an image using the common palette. The Common display type permits the display of multiple images simultaneously while maintaining reasonable image quality. A monitor and controller capable of displaying 256 colors are recommended.
Custom Displays an image using the best palette possible. The palette used depends on the type of image being displayed, as described in the following list:
| Image | Palette Used |
| Black-and-White | Binary |
| 4-Bit Gray-Scale | Common |
| 8-Bit Gray-Scale | Gray8 |
| 24-Bit Color Images | Common |
Because the palette used is designed specifically for the type of image being displayed, the custom display type is best suited to application programs that display one image at a time. A monitor and controller capable of displaying 256 colors are recommended.
Gray8 Displays an image using a linear-scale palette of up to 128 shades of gray.
RGB24 Displays an image by letting Windows map the image directly to the monitor. With suitable hardware, the RGB24 display type produces the best color at the optimum speed. Further, it allows multiple images to be displayed with no loss in background image quality. A monitor and controller capable of displaying 32,000 colors are recommended.