Event Property

C#
Visual Basic
Objective-C
Java
C++

public TwainCapabilityValue Event {get; set;}

'Declaration
 
Public Property Event As TwainCapabilityValue

'Usage
 
Dim instance As TwainDeviceEvent
Dim value As TwainCapabilityValue
 
instance.Event = value
 
value = instance.Event

public:
property TwainCapabilityValue Event {
   TwainCapabilityValue get();
   void set (    TwainCapabilityValue value);
}

Property Value

Device events used by the TWAIN source. Possible values are (according to the TWAIN 2.0 specification):

TwainCapabilityValue.DeviceEventCustomEventsBaseline for events specific to a given Source.
TwainCapabilityValue.DeviceEventCheckAutomaticCaptureThe automatic capture settings on the device have been changed by the user.
TwainCapabilityValue.DeviceEventCheckBatteryThe status of the battery has changed.
TwainCapabilityValue.DeviceEventCheckDeviceOnlineThe device has been turned off and on.
TwainCapabilityValue.DeviceEventCheckFlashThe flash setting on the device has been changed by the user.
TwainCapabilityValue.DeviceEventCheckPowerSupplyThe power supply has been changed (for instance, the user may have just connected AC to a device that was running on battery power).
TwainCapabilityValue.DeviceEventCheckResolutionThe x/y resolution setting on the device has been changed by the user.
TwainCapabilityValue.DeviceEventDeviceAddedThe user has added a device (for instance a memory card in a digital camera).
TwainCapabilityValue.DeviceEventDeviceOfflineA device has become unavailable, but has not been removed.
TwainCapabilityValue.DeviceEventDeviceReadyThe device is ready to capture an image.
TwainCapabilityValue.DeviceEventDeviceRemovedThe user has removed a device.
TwainCapabilityValue.DeviceEventImageCapturedThe user has captured an image to the device's internal storage.
TwainCapabilityValue.DeviceEventImageDeletedThe user has removed an image from the device's internal storage.
TwainCapabilityValue.DeviceEventPaperDoubleFeedTwo or more sheets of paper have been fed together.
TwainCapabilityValue.DeviceEventPaperJamThe device's document feeder has jammed.
TwainCapabilityValue.DeviceEventLampFailureThe device's light source has failed.
TwainCapabilityValue.DeviceEventPowerSaveThe device has powered down to save energy.
TwainCapabilityValue.DeviceEventPowerSaveNotifyThe device is about to power down to save energy.

Refer to TwainSession.GetDeviceEventData example.

Target Platforms

Reference

TwainDeviceEvent Class
TwainDeviceEvent Members