Scale Members (POS for .NET v1.12 SDK Documentation)
2/27/2008
Defines the programmatic interface for a UPOS scale device.
The following tables list the members exposed by the Scale type.
Protected Constructors
| Name | Description | |
|---|---|---|
| Scale | Creates an instance of the Scale class. |
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Public Fields
| Name | Description | |
|---|---|---|
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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) |
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ExtendedErrorOverWeight | Indicates the weight was over MaximumWeight. |
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ExtendedErrorSameWeight | Indicates the scale is reporting that the item/weight on the scale is identical to the previously reported item/weight (that is, the item has not been removed from the scale). |
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ExtendedErrorStatistics | Indicates a specified statistic could not be reset or updated. (inherited from PosCommon) |
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ExtendedErrorStatisticsDependency | (inherited from PosCommon ) |
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ExtendedErrorUnderZero | Indicates the scale is reporting a weight that is less than zero due to a calibration error. |
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StatisticCommunicationErrorCount | Holds the programmatic name of the Communication Error Count common statistic. (inherited from PosCommon) |
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StatisticDeviceCategory | Holds the programmatic name of the Device Category common statistic. (inherited from PosCommon) |
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StatisticFirmwareRevision | Holds the programmatic name of the Firmware Revision common statistic. (inherited from PosCommon) |
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StatisticGoodWeightReadCount | Indicates good weight read count for statistics reporting. |
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StatisticHoursPoweredCount | Holds the programmatic name of the Hours Powered On common statistic. (inherited from PosCommon) |
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StatisticInstallationDate | Holds the programmatic name of the Installation Date common statistic. (inherited from PosCommon) |
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StatisticInterface | Holds the programmatic name of the Interface common statistic. (inherited from PosCommon) |
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StatisticManufactureDate | Holds the programmatic name of the Manufacture Date common statistic. (inherited from PosCommon) |
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StatisticManufacturerName | Holds the programmatic name of the Manufacturer Name common statistic. (inherited from PosCommon) |
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StatisticMechanicalRevision | Holds the programmatic name of the Mechanical Revision common statistic. (inherited from PosCommon) |
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StatisticModelName | Holds the programmatic name of the Model Name common statistic. (inherited from PosCommon) |
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StatisticSerialNumber | Holds the programmatic name of the Serial Number common statistic. (inherited from PosCommon) |
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StatisticUnifiedPOSVersion | Holds the programmatic name of the Unified POS Version common statistic. (inherited from PosCommon) |
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StatusNotReady | Indicates the scale is not ready to weigh. |
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StatusPowerOff | Indicates that the device’s power is turned off or it is detached from the terminal. (inherited from PosCommon) |
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StatusPowerOffline | Indicates that the device is powered on but is either not ready or unable to respond to requests. (inherited from PosCommon) |
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StatusPowerOffOffline | Indicates that either the device’s power is off or it is offline. (inherited from PosCommon) |
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StatusPowerOnline | Indicates that the device’s power is turned on and it is ready for use. (inherited from PosCommon) |
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StatusStableWeight | Indicates scale weight is stable. |
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StatusUpdateFirmwareComplete | Indicates the update firmware process has completed successfully. (inherited from PosCommon) |
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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) |
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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) |
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StatusUpdateFirmwareFailedDeviceOk | Indicates the update firmware process failed. However, the device is still operational. (inherited from PosCommon) |
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StatusUpdateFirmwareFailedDeviceUnknown | Indicates the update firmware process failed. The device is in an indeterminate state. (inherited from PosCommon) |
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StatusUpdateFirmwareFailedDeviceUnrecoverable | Indicates the update firmware process failed. The device is either unusable or unrecoverable through software. (inherited from PosCommon) |
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StatusUpdateFirmwareProgress | Indicates the update firmware process has completed 1 to 100 percent successfully. (inherited from PosCommon) |
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StatusWeightOverWeight | Indicates scale weight is overweight. |
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StatusWeightUnderZero | Indicates scale weight is less than zero. |
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StatusWeightUnstable | Indicates the scale weight is unstable. |
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StatusWeightZero | Indicates the scale weight is zero. |
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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) |
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Public Properties
(see also Protected Properties )
| Name | Description | |
|---|---|---|
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AsyncMode | Indicates whether ReadWeight is performed asynchronously. |
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AutoDisable | Indicates whether POS for .NET automatically disables the scale when data is received. |
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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) |
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CapDisplay | Indicates whether a scale has a display. |
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CapDisplayText | Indicates whether a scale can display text. |
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CapPowerReporting | Gets the power reporting capabilities of the device. (inherited from PosCommon) |
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CapPriceCalculating | Indicates whether a scale can calculate prices. |
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CapStatisticsReporting | Gets a Boolean value that indicates whether the device can accumulate and can provide various statistics regarding usage. (inherited from PosCommon) |
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CapStatusUpdate | If true, then the scale is capable of providing scale weight status with StatusUpdateEvents. |
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CapTareWeight | Indicates whether a scale supports a tare. |
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CapUpdateFirmware | Gets a Boolean value that indicates whether the device's firmware can be updated through the UpdateFirmware method. (inherited from PosCommon) |
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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) |
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CapZeroScale | Indicates whether an application can set scale weight to zero. |
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CheckHealthText | Gets a string that indicates the health of the device. (inherited from PosCommon) |
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Claimed | Gets a Boolean value that indicates whether the device is claimed for exclusive access. (inherited from PosCommon) |
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Compatibility | Gets the compatibility level of a device. (inherited from PosDevice) |
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DataCount | Holds the number of currently queued DataEvent events. |
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DataEventEnabled | Indicates whether a DataEvent event is delivered when input data is queued. |
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DeviceDescription | Gets a string identifying the device and the company that manufactured it. (inherited from PosCommon) |
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DeviceEnabled | Gets or sets a Boolean value that indicates whether the device has been placed in an operational state. (inherited from PosCommon) |
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DeviceName | Gets a short string identifying the device and any pertinent information about it. (inherited from PosCommon) |
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FreezeEvents | Gets or sets a Boolean value that indicates whether the application has requested that the Service Object not deliver events. (inherited from PosCommon) |
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MaxDisplayTextChars | Holds the number of characters that can be displayed. |
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MaximumWeight | Holds the maximum weight measurement possible from the scale. |
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PowerNotify | Gets or sets the type of power notification selection made by the application. (inherited from PosCommon) |
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PowerState | Gets the current power condition. (inherited from PosCommon) |
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SalesPrice | Holds the sales price read from a price-calculating scale. |
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ScaleLiveWeight | Holds the weight measured by the scale (if StatusUpdateEventArgs.Status is set to StatusStableWeight). |
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ServiceObjectDescription | Gets a string identifying the Service Object that supports the device and the company that produced it. (inherited from PosCommon) |
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ServiceObjectVersion | Gets the Service Object version number. (inherited from PosCommon) |
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State | Gets the current state of the device. (inherited from PosCommon) |
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StatusNotify | Indicates whether the service object provides any scale weight notifications. |
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SynchronizingObject | Gets or sets the object that is used to marshal the event handler calls issued because of a POS event. (inherited from PosCommon) |
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TareWeight | Holds the tare weight of scale data. |
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UnitPrice | Holds the unit price of the article to be weighed. |
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WeightUnit | Holds the unit of weight of scale data. |
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Protected Properties
| Name | Description | |
|---|---|---|
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DeviceInstanceId | (inherited from PosCommon ) |
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DevicePath | Gets or sets the hardware path of a device. (inherited from PosCommon) |
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HardwareId | (inherited from PosCommon ) |
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IsExclusiveUseDevice | Overridden. Indicates whether the Scale is an exclusive-use device. |
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Public Methods
(see also Protected Methods )
| Name | Description | |
|---|---|---|
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CheckHealth | (inherited from PosCommon ) |
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Claim | (inherited from PosCommon ) |
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ClearInput | Clears all device input that has been buffered. |
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Close | Releases the device and its resources. (inherited from PosCommon) |
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CompareFirmwareVersion | (inherited from PosCommon ) |
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DirectIO | (inherited from PosCommon ) |
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DisplayText | Updates display text. |
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Equals | Overloaded. (inherited from Object ) |
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GetHashCode | (inherited from Object ) |
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GetType | (inherited from Object ) |
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Open | Opens a device for later input/output processing. (inherited from PosCommon) |
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ReadWeight | Reads a weight from the scale. |
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ReferenceEquals | (inherited from Object ) |
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Release | Releases exclusive access to the device. (inherited from PosCommon) |
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ResetStatistic | (inherited from PosCommon ) |
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ResetStatistics | Overloaded. (inherited from PosCommon ) |
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RetrieveStatistic | (inherited from PosCommon ) |
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RetrieveStatistics | Overloaded. (inherited from PosCommon ) |
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ToString | (inherited from Object ) |
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UpdateFirmware | (inherited from PosCommon ) |
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UpdateStatistic | (inherited from PosCommon ) |
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UpdateStatistics | Overloaded. (inherited from PosCommon ) |
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ZeroScale | Sets the scale weight to zero. |
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Protected Methods
| Name | Description | |
|---|---|---|
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DeleteConfigurationProperty | (inherited from PosCommon ) |
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Finalize | (inherited from Object ) |
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GetConfigurationProperty | (inherited from PosCommon ) |
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Invoke | (inherited from PosCommon ) |
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MemberwiseClone | (inherited from Object ) |
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SetConfigurationProperty | (inherited from PosCommon ) |
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Public Events
(see also Protected Events )
| Name | Description | |
|---|---|---|
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DataEvent | Fired by the service object to notify the application that an asynchronous ReadWeight has completed. |
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DirectIOEvent | Raised by the Service Object to communicate information directly to the application. (inherited from PosCommon) |
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ErrorEvent | Fired by the service object to notify the application that a scale device error has been detected and a suitable response by the application is necessary to process the error condition. |
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StatusUpdateEvent | Raised by the Service Object to alert the application of a device status change. (inherited from PosCommon) |
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Protected Events
| Name | Description | |
|---|---|---|
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DeviceAddedEvent | (inherited from PosCommon ) |
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DeviceRemovedEvent | (inherited from PosCommon ) |
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