For a list of all members of this type, see TwainSession members.
Public Methods
| Name | Description | |
|---|---|---|
 | Acquire | Acquires one or more images from a TWAIN source. |
| AcquireFast | (Document/Medical only) Acquires one or more images from a TWAIN source and stores the images in the specified file(s). |
| AcquireToImage | Acquires one or more images from a TWAIN source. |
| FindConfiguration | (Document/Medical only) Gets all available configurations for the current session. |
| FindFastConfiguration | (Document/Medical only) Determines the best scanner configuration. |
| GetCapability | Gets the TwainCapability value at the specified index from the array of capabilities supported by the selected TWAIN source. |
| GetDeviceEventCapability | Gets device events capability values for current TWAIN session. |
| GetDeviceEventData | Gets information for specific device event |
| GetJpegCompression | Gets the current or default JPEG compression settings for the TWAIN session. |
 | IsAvailable | Determines whether a TWAIN source is installed. |
| IsTransferModeAvailable | Check if the specific transfer mode is supported in the current Twain source. |
| LoadTemplateFile | Loads the TWAIN capability values stored in the specified template file and sets the selected TWAIN source using these values. |
| ModifyRgbResponse | Sets the RGB elements to be used when transferring data from the current TWAIN source. |
| QueryCapability | Gets all the supported values of the requested capability. |
| QueryFileSystem | Query Twain file system. |
| QuerySourceInformation | Gets information about the available TWAIN Data Sources. |
| QuerySupportedCapabilities |
Gets an array of Twain Capabilities supported in the current session. |
| raise_AcquireMultiPage | (Document/Medical only) Occurs during multipage image scanning |
| raise_AcquirePage | Occurs after an image is acquired. |
| raise_FastConfiguration | (Document/Medical only) Occurs during fast twain configuration testing. |
| raise_GetDeviceEvent | Occurs after a device event is received. |
| raise_LoadTemplate | Occurs loading of a TWAIN Template using LoadTemplateFile |
| raise_SaveTemplate | Occurs saving of a TWAIN Template SaveTemplateFile. |
| raise_SetProperty | Occurs when setting TWAIN capability using Properties |
| ResetDeviceEventCapability | Resets CAP_DEVICEEVENT capability to defaults values |
| SaveTemplateFile | Enumerates all supported capabilities, and the current values, for the currently selected TWAIN source and saves them to the specified template file. |
| SelectedSourceName | Gets the name of the selected TWAIN source. This name is provided by the manufacturer. |
| SelectSource | Displays the TWAIN dialog box to be used to select a TWAIN source for acquiring images. |
| SetCapability | Sets the value of the specified capability. |
| SetDeviceEventCapability | Sets CAP_DEVICEEVENT capability values |
| SetJpegCompression | Sets the JPEG compression options for the current TWAIN session. This method lets the user set JPEG compression options for the current TWAIN session or reset the default JPEG compression options for the current TWAIN session, depending on the flag passed to the flag parameter. |
| ShowProgressIndicator | Enables or disables the display of a progress indicator during the acquisition of images from the current TWAIN source. |
| ShowTemplateDialog | Displays the TWAIN source manufacturer's template dialog, without actually acquiring an image. |
| Shutdown | Ends a TWAIN session. |
| Startup | Initializes the TWAIN session. |
| StopFeeder | Stop acquiring images only from the feeder of the TWAIN source. |
| UpdateExtraImageInformation | Gets the extended image information. |
Protected Methods
| Name | Description | |
|---|---|---|
 | raise__acquireMultiPage | (Document/Medical only) Occurs during multipage image scanning |
| raise__acquirePage | Occurs after an image is acquired. |
| raise__fastConfiguration | (Document/Medical only) Occurs during fast twain configuration testing. |
| raise__getDeviceEvent | Occurs after a device event is received. |
| raise__loadTemplate | Occurs loading of a TWAIN Template using LoadTemplateFile |
| raise__saveTemplate | Occurs saving of a TWAIN Template SaveTemplateFile. |
| raise__setProperty | Occurs when setting TWAIN capability using Properties |