|
|
|
The WIA_IPA_ITEM_FLAGS property contains the descriptive flags for a WIA item. The item flags are the same as those in the lObjectFlags parameter of the wiasCreateDrvItem service utility function. An application reads this property to determine the item's descriptive flag values. This property is created and maintained by the WIA service.
Property Type: VT_I4
Valid Values: WIA_PROP_NONE
Access Rights: READONLY
| Flag | Definition |
|---|---|
| WiaItemTypeAnalyze | This item supports the IWiaItem::AnalyzeItem method (described in the Platform SDK documentation). This item also supports automatic child item generation. This capability is useful for region detection or page decomposition. |
| WiaItemTypeAudio | This item supports audio. This flag is valid only for items that also have the WiaItemTypeFile flag set. |
| WiaItemTypeBurst | For folders only. This flag indicates that the images in this folder were taken in a continuous time sequence. |
| WiaItemTypeDeleted | This item is marked for deletion, has been deleted, does not exist, or the contents are invalid. |
| WiaItemTypeDevice | This item represents a connected device. |
| WiaItemTypeDisconnected | This item represents a disconnected device. |
| WiaItemTypeFile | The item supports file transfers. |
| WiaItemTypeFolder | The item is a folder. |
| WiaItemTypeFree | The item is uninitialized, or has been deleted. |
| WiaItemTypeGenerated | This item has been generated by an application, or by the driver. |
| WiaItemTypeHasAttachments | This item supports attachments, and currently contains attachments. |
| WiaItemTypeHPanorama | This item represents a horizontal panoramic image. This flag is valid only for items that also have the WiaItemTypeFolder flag set. |
| WiaItemTypeImage | The item is an image file. This flag is valid only for items that also have the WiaItemTypeFile flag set. |
| WiaItemTypeRoot | This item is the root item, the parent to all feature items that are supported by the device. |
| WiaItemTypeStorage | This item represents a storage medium. |
| WiaItemTypeTransfer | This item can be used to transfer data. |
| WiaItemTypeTwainCapabilityPassThrough | This type indicates that the WIA device is capable of receiving TWAIN capability data from the TWAIN compatibility layer. If this type is set, any TWAIN capability that is not understood by the TWAIN compatibility layer during a TWAIN session, will be passed to the WIA driver. This is only valid on the root item. |
| WiaItemTypeVideo | This item supports streaming video. |
| WiaItemTypeVPanorama | This item represents a vertical panoramic image. This flag is valid only for items that also have the WiaItemTypeFolder flag set. |
Declared in wiadef.h. Include wiadef.h.