ImageScanner Class
Definition
Important
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Defines the programmatic interface for a UPOS Image Scanner device.
public abstract class ImageScanner : Microsoft.PointOfService.PosCommontype ImageScanner = class
inherit PosCommonPublic MustInherit Class ImageScanner
Inherits PosCommon- Inheritance
- Derived
Constructors
| ImageScanner() |
Fields
| ExtendedErrorFirmwareBadFile |
Indicates the specified firmware file or files exist, but one or more of those files are either not in the correct format or are corrupted. (Inherited from PosCommon) |
| ExtendedErrorStatistics |
Indicates a specified statistic could not be reset or updated. (Inherited from PosCommon) |
| ExtendedErrorStatisticsDependency | (Inherited from PosCommon) |
| StatisticCommunicationErrorCount |
Holds the programmatic name of the Communication Error Count common statistic. (Inherited from PosCommon) |
| StatisticDeviceCategory |
Holds the programmatic name of the Device Category common statistic. (Inherited from PosCommon) |
| StatisticFirmwareRevision |
Holds the programmatic name of the Firmware Revision common statistic. (Inherited from PosCommon) |
| StatisticGoodReadCount |
Holds the number of performed good read operations. |
| StatisticHoursPoweredCount |
Holds the programmatic name of the Hours Powered On common statistic. (Inherited from PosCommon) |
| StatisticInstallationDate |
Holds the programmatic name of the Installation Date common statistic. (Inherited from PosCommon) |
| StatisticInterface |
Holds the programmatic name of the Interface common statistic. (Inherited from PosCommon) |
| StatisticManufactureDate |
Holds the programmatic name of the Manufacture Date common statistic. (Inherited from PosCommon) |
| StatisticManufacturerName |
Holds the programmatic name of the Manufacturer Name common statistic. (Inherited from PosCommon) |
| StatisticMechanicalRevision |
Holds the programmatic name of the Mechanical Revision common statistic. (Inherited from PosCommon) |
| StatisticModelName |
Holds the programmatic name of the Model Name common statistic. (Inherited from PosCommon) |
| StatisticNoReadCount |
Holds the number of performed failed read operations. |
| StatisticSerialNumber |
Holds the programmatic name of the Serial Number common statistic. (Inherited from PosCommon) |
| StatisticSessionCount |
Holds the number of total statistic sessions. |
| StatisticUnifiedPOSVersion |
Holds the programmatic name of the Unified POS Version common statistic. (Inherited from PosCommon) |
| StatusPowerOff |
Indicates that the device’s power is turned off or it is detached from the terminal. (Inherited from PosCommon) |
| StatusPowerOffline |
Indicates that the device is powered on but is either not ready or unable to respond to requests. (Inherited from PosCommon) |
| StatusPowerOffOffline |
Indicates that either the device’s power is off or it is offline. (Inherited from PosCommon) |
| StatusPowerOnline |
Indicates that the device’s power is turned on and it is ready for use. (Inherited from PosCommon) |
| StatusUpdateFirmwareComplete |
Indicates the update firmware process has completed successfully. (Inherited from PosCommon) |
| StatusUpdateFirmwareCompleteDeviceNotRestored |
Indicates the update firmware process succeeded. However, the Service Object and/or the physical device cannot be returned to the state they were in before the update firmware process started. (Inherited from PosCommon) |
| StatusUpdateFirmwareFailedDeviceNeedsFirmware |
Indicates the update firmware process failed. The device will not be operational until another attempt to update the firmware is successful. (Inherited from PosCommon) |
| StatusUpdateFirmwareFailedDeviceOk |
Indicates the update firmware process failed. However, the device is still operational. (Inherited from PosCommon) |
| StatusUpdateFirmwareFailedDeviceUnknown |
Indicates the update firmware process failed. The device is in an indeterminate state. (Inherited from PosCommon) |
| StatusUpdateFirmwareFailedDeviceUnrecoverable |
Indicates the update firmware process failed. The device is either unusable or unrecoverable through software. (Inherited from PosCommon) |
| StatusUpdateFirmwareProgress |
Indicates the update firmware process has completed 1 to 100 percent successfully. (Inherited from PosCommon) |
| WaitForever |
Used as the value for a timeout parameter in common and device-specific methods to indicate the method should wait until it receives a response, instead of timing out. (Inherited from PosCommon) |
Properties
| AimMode | |
| AutoDisable | |
| CapAim | |
| CapCompareFirmwareVersion |
Gets a Boolean value that indicates whether the Service Object/device supports comparing the firmware version in the physical device against that of a firmware file. (Inherited from PosCommon) |
| CapDecodeData | |
| CapHostTriggered | |
| CapIlluminate | |
| CapImageData | |
| CapImageQuality | |
| CapPowerReporting |
Gets the power reporting capabilities of the device. (Inherited from PosCommon) |
| CapStatisticsReporting |
Gets a Boolean value that indicates whether the device can accumulate and can provide various statistics regarding usage. (Inherited from PosCommon) |
| CapUpdateFirmware |
Gets a Boolean value that indicates whether the device's firmware can be updated through the UpdateFirmware method. (Inherited from PosCommon) |
| CapUpdateStatistics |
Gets a Boolean value that indicates whether some or all the device statistics can be reset to 0 (zero) by using the ResetStatistic and ResetStatistics methods, or updated by using the UpdateStatistic and UpdateStatistics methods. (Inherited from PosCommon) |
| CapVideoData | |
| CheckHealthText |
Gets a string that indicates the health of the device. (Inherited from PosCommon) |
| Claimed |
Gets a Boolean value that indicates whether the device is claimed for exclusive access. (Inherited from PosCommon) |
| Compatibility | (Inherited from PosDevice) |
| DataCount | |
| DataEventEnabled | |
| DeviceDescription |
Gets a string identifying the device and the company that manufactured it. (Inherited from PosCommon) |
| DeviceEnabled |
Gets or sets a Boolean value that indicates whether the device has been placed in an operational state. (Inherited from PosCommon) |
| DeviceInstanceId | (Inherited from PosCommon) |
| DeviceName |
Gets a short string identifying the device and any pertinent information about it. (Inherited from PosCommon) |
| DevicePath |
Gets or sets the hardware path of a device. (Inherited from PosCommon) |
| FrameData | |
| FrameType | |
| FreezeEvents |
Gets or sets a Boolean value that indicates whether the application has requested that the Service Object not deliver events. (Inherited from PosCommon) |
| HardwareId | (Inherited from PosCommon) |
| IlluminateMode | |
| ImageMode | |
| ImageQuality | |
| IsExclusiveUseDevice |
Get a Boolean value that indicates whether the Image Scanner is an exclusive-use device. |
| PowerNotify |
Gets or sets the type of power notification selection made by the application. (Inherited from PosCommon) |
| PowerState |
Gets the current power condition. (Inherited from PosCommon) |
| ServiceObjectDescription |
Gets a string identifying the Service Object that supports the device and the company that produced it. (Inherited from PosCommon) |
| ServiceObjectVersion |
Gets the Service Object version number. (Inherited from PosCommon) |
| State |
Gets the current state of the device. (Inherited from PosCommon) |
| SynchronizingObject |
Gets or sets the object that is used to marshal the event handler calls issued because of a POS event. (Inherited from PosCommon) |
| VideoCount | |
| VideoRate | |
Methods
| CheckHealth(HealthCheckLevel) |
Tests the state of a device. (Inherited from PosCommon) |
| Claim(Int32) |
Requests exclusive access to the device. (Inherited from PosCommon) |
| ClearInput() |
Clears all buffered device input. |
| ClearInputProperties() |
Resets the values of properties altered by the DataEvent event or the ErrorEvent event. |
| Close() |
Releases the device and its resources. (Inherited from PosCommon) |
| CompareFirmwareVersion(String) |
Determines whether the version of the specified firmware is newer than, older than, or the same as the version of firmware in the physical device. (Inherited from PosCommon) |
| DeleteConfigurationProperty(String) |
Deletes the specified property from the XML configuration file. (Inherited from PosCommon) |
| DirectIO(Int32, Int32, Object) |
Used to communicate directly with the Service Object. (Inherited from PosCommon) |
| GetConfigurationProperty(String) |
Used by the Service Object to retrieve the specified property from the XML configuration file. (Inherited from PosCommon) |
| Invoke(Delegate, Object[]) |
Used by the Service Objects to raise an event. (Inherited from PosCommon) |
| Open() |
Opens a device for later input/output processing. (Inherited from PosCommon) |
| Release() |
Releases exclusive access to the device. (Inherited from PosCommon) |
| ResetStatistic(String) |
Resets the specified statistic to 0 (zero). (Inherited from PosCommon) |
| ResetStatistics() |
Resets all statistics associated with a device to 0 (zero). (Inherited from PosCommon) |
| ResetStatistics(StatisticCategories) |
Resets all statistics for a specified category to 0 (zero). (Inherited from PosCommon) |
| ResetStatistics(String[]) |
Resets the specified statistics to 0 (zero). (Inherited from PosCommon) |
| RetrieveStatistic(String) |
Retrieves the specified device statistic. (Inherited from PosCommon) |
| RetrieveStatistics() |
Retrieves all device statistics. (Inherited from PosCommon) |
| RetrieveStatistics(StatisticCategories) |
Retrieves the statistics for the specified category. (Inherited from PosCommon) |
| RetrieveStatistics(String[]) |
Retrieves the specified statistics. (Inherited from PosCommon) |
| SetConfigurationProperty(String, String) |
Sets a property value (or create a new property) in the XML configuration file. (Inherited from PosCommon) |
| StartSession() |
Starts the Image Scanner session to obtain still images, decode, and video stream data in a mode specified by the ImageMode property. |
| StopSession() |
Ends a session started by the StartSession() method. |
| UpdateFirmware(String) |
Updates the firmware of a device with the version of the firmware contained or defined in the file specified by the firmwareFileName parameter regardless of whether that firmware’s version is newer than, older than, or the same as the version of the firmware already in the device. (Inherited from PosCommon) |
| UpdateStatistic(String, Object) |
Updates the value of a specified device statistic. (Inherited from PosCommon) |
| UpdateStatistics(Statistic[]) |
Updates a list of statistics with the corresponding specified values. (Inherited from PosCommon) |
| UpdateStatistics(StatisticCategories, Object) |
Updates the specified category of statistics with the specified value. (Inherited from PosCommon) |
Events
| DataEvent |
Notifies the application that input data from the Image Scanner is available. |
| DeviceAddedEvent | (Inherited from PosCommon) |
| DeviceRemovedEvent | (Inherited from PosCommon) |
| DirectIOEvent |
Raised by the Service Object to communicate information directly to the application. (Inherited from PosCommon) |
| ErrorEvent |
Notifies the application that an Image Scanner device error has been detected and a suitable response by the application is necessary to process the error condition. |
| StatusUpdateEvent |
Raised by the Service Object to alert the application of a device status change. (Inherited from PosCommon) |