The following tables list the members exposed by IVxiSession.
Public Properties
| Name | Description | |
|---|---|---|
 | AllowDma | Specifies whether direct memory access is enabled. In some cases you may not be able to change whether DMA is enabled, so reading this property value may not return the same value that was set. (Inherited from Ivi.Visa.IRegisterBasedSession) |
| ChassisLogicalAddress | The logical address of a given device in the mainframe that serves as a unique ID for the mainframe. |
| CommanderLogicalAddress | The logical address of the commander of the VXI device used by the given session. |
| DestinationAccessPrivilege | The address modifier to be used in high-level access operations, such as OutXX() and MoveOutXX(), when writing to the destination. |
| DestinationByteOrder | The destination address space byte order. |
| DestinationIncrement | For MoveOut methods, specifies whether to do a block move or a FIFO write. (Inherited from Ivi.Visa.IRegisterBasedSession) |
| DeviceClass | The VXI-defined device class to which the resource belongs. |
| EventQueueCapacity | The capacity of the event queue - the maximum number of pending events. (Inherited from Ivi.Visa.IVisaSession) |
| FastDataChannelNumber | The FDC channel that will be used when transferring data. |
| FastDataChannelUsePair | If true, a channel pair will be used when transferring data, rather than a single channel. |
| FastDataChannelUseStreaming | If true, FDC streaming will be used when transferring data (Normal mode or Stream mode). |
| FormattedIO | A reference to the formatted I/O interface. (Inherited from Ivi.Visa.IMessageBasedSession) |
| HardwareInterfaceName | Human readable text that describes the hardware interface. (Inherited from Ivi.Visa.IVisaSession) |
| HardwareInterfaceNumber | The board number of the hardware interface. (Inherited from Ivi.Visa.IVisaSession) |
| HardwareInterfaceType | Specifies the hardware interface type (GPIB, ASRL, etc.). (Inherited from Ivi.Visa.IVisaSession) |
| IOProtocol | The protocol type for I/O communication with the physical resource. In some cases you may not be able to change the protocol, so reading this property value may not return the same value that was set. (Inherited from Ivi.Visa.IMessageBasedSession) |
| Is4882Compliant | If true, the device is IEEE 488.2 compliant. |
| IsImmediateServant | If true, the device is an immediate servant of the controller running VISA. |
| LogicalAddress | The logical address of the VXI or VME device used by the given session. |
| ManufacturerId | The VXIbus vendor identification number of the hardware vendor for this device. |
| ManufacturerName | The name of the hardware vendor that corresponds to the ManufacturerId property. |
| MemoryBase | The base address of the device in VXIbus memory address space. |
| MemoryMapAccessPrivilege | The address modifier to be used in IMemoryMap operations when accessing the mapped window. |
| MemoryMapByteOrder | The byte order to be used in IMemoryMap operations when accessing the mapped window. |
| MemorySize | The size of the memory requested by the device in the VXIbus address space. |
| MemorySpace | The VXIbus address space used by the device. |
| ModelCode | The vendor-specific model number for this VXIbus device. |
| ModelName | The name of this device (corresponds to the ModelCode property). |
| RawIO | A reference to the raw I/O interface. (Inherited from Ivi.Visa.IMessageBasedSession) |
| ResourceClass | The class of resource for this session (INSTR, INTFC, etc.). (Inherited from Ivi.Visa.IVisaSession) |
| ResourceImplementationVersion | The version of this VISA.NET implementation. (Inherited from Ivi.Visa.IVisaSession) |
| ResourceLockState | The current lock state of the resource for this session. (Inherited from Ivi.Visa.IVisaSession) |
| ResourceManufacturerId | The IVI identification number of the software vendor of this VISA.NET implementation. (Inherited from Ivi.Visa.IVisaSession) |
| ResourceManufacturerName | The name of the software vendor that corresponds to the ResourceManufacturerId property. (Inherited from Ivi.Visa.IVisaSession) |
| ResourceName | The VISA resource name of the currently open resource. This name is the canonical version of the resource name and therefore may vary from the resource descriptor used to open/initialize the resource. (Inherited from Ivi.Visa.IVisaSession) |
| ResourceSpecificationVersion | The version of the VISA.NET specification that describes the functionality provided by this session. (Inherited from Ivi.Visa.IVisaSession) |
| SendEndEnabled | Enables/disables sending the END signal on the last byte of a write. (Inherited from Ivi.Visa.IMessageBasedSession) |
| Slot | The physical slot location of this VXIbus device. |
| SourceAccessPrivilege | The address modifier to be used in high-level access operations, such as InXX() and MoveInXX(), when reading from the source. |
| SourceByteOrder | The source address space byte order. |
| SourceIncrement | For MoveIn methods, specifies whether to do a block move or a FIFO read. (Inherited from Ivi.Visa.IRegisterBasedSession) |
| SynchronizeCallbacks | Specifies whether callbacks must be performed in a specific synchronization context. If false, the implementation is allowed to execute callbacks in any context. The default value is true. (Inherited from Ivi.Visa.IVisaSession) |
| TerminationCharacter | The ASCII character used to end reading. (Inherited from Ivi.Visa.IMessageBasedSession) |
| TerminationCharacterEnabled | If true, reads end when a termination character is received. (Inherited from Ivi.Visa.IMessageBasedSession) |
| TimeoutMilliseconds | The I/O timeout in milliseconds for I/O communication on this resource session. If the timeout is VisaConstants.ImmediateTimeout (0), operations will never wait for the device to respond. If the timeout is VisaConstants.InfiniteTimeout (-1), I/O communication will not timeout. (Inherited from Ivi.Visa.IVisaSession) |
| TriggerLine | The current triggering line. |
| TriggerSupport | The VXI trigger line(s) that this implementation supports. |
Public Methods
| Name | Description | |
|---|---|---|
 | AssertTrigger | Assert a software or hardware trigger. |
| Clear | Performs an IEEE 488.1-style clear of the device and clears the input and output buffer (both raw and formatted I/O buffers). It also may terminate pending operations on the device. (Inherited from Ivi.Visa.IMessageBasedSession) |
| CommandQuery | Send the device a miscellaneous command or query and/or retrieves the response to a previous query. |
| DisableEvent | Disables a client from receiving events of type(s) specified by the eventType argument. (Inherited from Ivi.Visa.IVisaSession) |
| DiscardEvents | Discard all pending events of type(s) specified by the eventType argument. (Inherited from Ivi.Visa.IVisaSession) |
| Dispose | (Inherited from System.IDisposable) |
| EnableEvent | Enables a client to receive events of the type specified by the eventType argument using a WaitOnEvent method. (Inherited from Ivi.Visa.IVisaSession) |
| In16 | Read in a 16-bit value from the specified memory space (assigned memory base + offset). (Inherited from Ivi.Visa.IRegisterBasedSession) |
| In32 | Read in a 32-bit value from the specified memory space (assigned memory base + offset). (Inherited from Ivi.Visa.IRegisterBasedSession) |
| In64 | Read in a 64-bit value from the specified memory space (assigned memory base + offset). (Inherited from Ivi.Visa.IRegisterBasedSession) |
| In8 | Read in an 8-bit value from the specified memory space (assigned memory base + offset). (Inherited from Ivi.Visa.IRegisterBasedSession) |
| LockResource | Locks the resource for this session with an exclusive lock, with an infinite timeout. (Inherited from Ivi.Visa.IVisaSession) |
| MapAddress | Map the specified memory space into this process’s address space. (Inherited from Ivi.Visa.IRegisterBasedSession) |
| MemoryAllocate | Allocate memory from the device’s memory region. |
| MemoryFree | Free previously allocated memory. |
| MoveIn16 | Move a 16-bit block of data from the specified memory space (assigned memory base + offset) to local memory. (Inherited from Ivi.Visa.IRegisterBasedSession) |
| MoveIn32 | Move a 32-bit block of data from the specified memory space (assigned memory base + offset) to local memory. (Inherited from Ivi.Visa.IRegisterBasedSession) |
| MoveIn64 | Move a 64-bit block of data from the specified memory space (assigned memory base + offset) to local memory. (Inherited from Ivi.Visa.IRegisterBasedSession) |
| MoveIn8 | Move an 8-bit block of data from the specified memory space (assigned memory base + offset) to local memory. (Inherited from Ivi.Visa.IRegisterBasedSession) |
| MoveOut16 | Moves an 16-bit block of data from local (source) memory to the specified destination memory space (assigned memory base + offset). (Inherited from Ivi.Visa.IRegisterBasedSession) |
| MoveOut32 | Moves an 32-bit block of data from local (source) memory to the specified destination memory space (assigned memory base + offset). (Inherited from Ivi.Visa.IRegisterBasedSession) |
| MoveOut64 | Moves an 64-bit block of data from local (source) memory to the specified destination memory space (assigned memory base + offset). (Inherited from Ivi.Visa.IRegisterBasedSession) |
| MoveOut8 | Moves an 8-bit block of data from local (source) memory to the specified destination memory space (assigned memory base + offset). (Inherited from Ivi.Visa.IRegisterBasedSession) |
| Out16 | Write a 16-bit value to the specified memory space (assigned memory base + offset). (Inherited from Ivi.Visa.IRegisterBasedSession) |
| Out32 | Write a 32-bit value to the specified memory space (assigned memory base + offset). (Inherited from Ivi.Visa.IRegisterBasedSession) |
| Out64 | Write a 64-bit value to the specified memory space (assigned memory base + offset). (Inherited from Ivi.Visa.IRegisterBasedSession) |
| Out8 | Write an 8-bit value to the specified memory space (assigned memory base + offset). (Inherited from Ivi.Visa.IRegisterBasedSession) |
| ReadStatusByte | Reads the status from the device. For 488.2 instruments, this is the 488.2 status byte. (Inherited from Ivi.Visa.IMessageBasedSession) |
| UnlockResource | Unlock the resource. (Inherited from Ivi.Visa.IVisaSession) |
| WaitOnEvent | Wait for events of type(s) specified by the eventType argument. (Inherited from Ivi.Visa.IVisaSession) |
Public Events
| Name | Description | |
|---|---|---|
 | Interrupt | Occurs when a VXIbus interrupt is received from the device. |
| SignalProcessor | Occurs when a VXIbus signal or VXIbus interrupt is received from the device. |
| Trigger | Occurs when a VXIbus trigger is received from the device. |
See Also