The compression to be used while performing data transfer from WIA source. Possible values are (according to Microsoft SDK documentation):
| No compression is to be used. | |
| RLE4 compression. | |
| RLE8 compression. | |
| Group 3 compression. | |
| Group 4 compression. | |
| JPEG compression. | |
| JBIG compression (only supported in Windows Vista or later). | |
| JPEG 2000 compression (only supported in Windows Vista or later). | |
| PNG compression (only supported in Windows Vista or later). |
For more information about these compression types, please refer to WIA_IPA_COMPRESSION property ID in Microsoft Windows SDK Documentation.
Refer to WiaSession.GetRootItem example.