TwainController Events

This event will fire if the user has canceled the acquisition.

This event will fire when all of the images have been acquired. This is useful when a document feeder is used.

This event will fire before the data is transferred from the device, allow the transfer to be canceled.

This event will fire just before acquiring an image directly to file. You must fill in the FileName property of the FileTransferEventArgs object.

This event will fire for each image acquired.

This event is raised during a memory transfer to allow developers to handle processing the data instead of DotTwain.

This event is raised during a memory file transfer before each image is scanned. Use this event to indicate the file format for the image and provide a Stream to store the image into.

This event fires after the data has been transferred but before it has been processed by DotTwain.

Raised when there is an exception in the TwainController. If this event is not handled, the exception will be thrown instead.