• DuetAPI
  • DuetAPIClient
  • DuetControlServer
  • DuetWebServer
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  • DuetAPI
    • CodeChannel
    • CodeParserException
    • IncompatibleVersionException
    • InternalServerException
    • InvalidParameterTypeException
    • MissingParameterException
  • DuetAPI.Commands
    • Acknowledge
    • AddHttpEndpoint
    • AddUserSession
    • BaseCommand
    • BaseResponse
    • Cancel
    • CheckPassword
    • Code
    • CodeFlags
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    • CodeParserBuffer
    • CodeType
    • Command
    • Command<T>
    • ErrorResponse
    • EvaluateExpression
    • Flush
    • GetFileInfo
    • GetObjectModel
    • HttpResponseType
    • Ignore
    • InstallPlugin
    • InstallSystemPackage
    • InvalidateChannel
    • KeywordType
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    • ReceivedHttpRequest
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    • Resolve
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    • SetNetworkProtocol
    • SetObjectModel
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    • SimpleCode
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    • UninstallPlugin
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    • WriteMessage
  • DuetAPI.Connection
    • ConnectionMode
    • Defaults
    • InterceptionMode
    • SubscriptionMode
  • DuetAPI.Connection.InitMessages
    • ClientInitMessage
    • CodeStreamInitMessage
    • CommandInitMessage
    • InterceptInitMessage
    • PluginServiceInitMessage
    • ServerInitMessage
    • SubscribeInitMessage
  • DuetAPI.ObjectModel
    • Accelerometer
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    • DirectDisplay
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    • DirectDisplayScreenST7567
    • Directories
    • DistanceUnit
    • DistanceUnitConverter
    • Driver
    • DriverClosedLoop
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    • EndstopType
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    • Fan
    • FanThermostaticControl
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    • GCodeFileInfo
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    • GpInputPort
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    • Layer
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    • SBC
    • SbcPropertyAttribute
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    • UserSession
    • Volume
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  • DuetAPI.Utility
    • DriverId
    • DriverIdJsonConverter
    • FileLists
    • Heightmap
    • JsonCamelCaseStringEnumConverter
    • JsonCharEnumConverter
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    • JsonOptionalShortDateTimeConverter
    • JsonPolymorphicWriteOnlyConverter<T>
    • JsonRegexListConverter
    • JsonShortDateTimeConverter
    • RequiredPermissionsAttribute
    • SbcPermissions
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  • DuetAPIClient
    • BaseCommandConnection
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    • CodeStreamConnection
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    • HttpEndpointUnixSocket.EndpointRequestReceived
    • InterceptConnection
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  • DuetControlServer
    • Program
    • Settings
  • DuetControlServer.Codes
    • ChannelProcessor
    • PipelineStage
    • Processor
  • DuetControlServer.Codes.Handlers
    • Functions
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  • DuetControlServer.Codes.Pipelines
    • Executed
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    • Post
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    • ProcessInternally
    • Start
  • DuetControlServer.Commands
    • AddHttpEndpoint
    • AddUserSession
    • CheckPassword
    • Code
    • EvaluateExpression
    • Flush
    • GetFileInfo
    • GetObjectModel
    • IConnectionCommand
    • InstallPlugin
    • InstallSystemPackage
    • InvalidateChannel
    • LockObjectModel
    • PatchObjectModel
    • ReloadPlugin
    • RemoveHttpEndpoint
    • RemoveUserSession
    • ResolvePath
    • SetNetworkProtocol
    • SetObjectModel
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    • SimpleCode
    • StartPlugin
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    • SyncObjectModel
    • UninstallPlugin
    • UninstallSystemPackage
    • UnlockObjectModel
    • WriteMessage
  • DuetControlServer.Files
    • CodeBlock
    • CodeFile
    • FileDirectory
    • FilePath
    • InfoParser
    • JobProcessor
    • MacroFile
  • DuetControlServer.Files.ImageProcessing
    • IconImageParser
    • ImageParser
    • ImageProcessingException
  • DuetControlServer.IPC
    • Connection
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  • DuetControlServer.IPC.Processors
    • Base
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    • CodeStream
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  • DuetControlServer.Model
    • Expressions
    • Expressions.CustomAsyncFunctionResolver
    • Filter
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    • Observer
    • Observer.PropertyPathChanged
    • PeriodicUpdater
    • PropertyChangeType
    • Provider
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  • DuetControlServer.SPI
    • DataTransfer
    • EvaluateExpressionRequest
    • Interface
    • Interface.MovementLock
    • VariableRequest
  • DuetControlServer.SPI.Channel
    • LockRequest
    • Manager
    • Processor
    • State
  • DuetControlServer.SPI.Communication
    • Consts
  • DuetControlServer.SPI.Communication.FirmwareRequests
    • AbortFileHeader
    • CodeBufferUpdateHeader
    • DoCodeHeader
    • EvaluationResultHeader
    • ExecuteMacroHeader
    • FileChunkHeader
    • FileHandleHeader
    • OpenFileHeader
    • PrintPausedHeader
    • PrintPausedReason
    • ReadFileHeader
    • Request
    • SeekFileHeader
  • DuetControlServer.SPI.Communication.SbcRequests
    • AssignFilamentHeader
    • BooleanHeader
    • CodeFlags
    • CodeHeader
    • CodeParameter
    • DeleteLocalVariableHeader
    • FileChunkHeader
    • FileDataHeader
    • GetObjectModelHeader
    • MacroCompleteHeader
    • OpenFileResult
    • PrintStartedHeader
    • PrintStoppedHeader
    • Request
    • SetObjectModelHeader
    • SetVariableHeader
  • DuetControlServer.SPI.Communication.Shared
    • CodeChannelHeader
    • DataType
    • HeightMapHeader
    • MessageHeader
    • MessageTypeFlags
    • PacketHeader
    • PrintStoppedReason
    • StringHeader
    • TransferHeader
    • TransferResponse
  • DuetControlServer.SPI.Serialization
    • Reader
    • Writer
  • DuetControlServer.Utility
    • BuildDateTimeAttribute
    • CRC16
    • CRC32
    • Firmware
    • Logger
    • PriorityThreadRunner
  • DuetWebServer
    • Program
    • Settings
    • Startup
  • DuetWebServer.Authorization
    • Policies
    • SessionKeyAuthenticationHandler
    • SessionKeyAuthenticationSchemeOptions
  • DuetWebServer.Controllers
    • MachineController
    • RepRapFirmwareController
    • WebSocketController
  • DuetWebServer.FileProviders
    • DuetFileProvider
  • DuetWebServer.Middleware
    • CustomEndpointMiddleware
    • FallbackMiddleware
    • FixContentTypeMiddleware
    • HttpEndpointConnection
  • DuetWebServer.Services
    • ModelObserver
    • SessionExpiry
  • DuetWebServer.Singletons
    • IModelProvider
    • IModelProvider.WebDirectoryChanged
    • ISessionStorage
    • ModelProvider
    • SessionStorage
  • DuetWebServer.Utility
    • CRC32

Class EvaluateExpressionRequest

Internal storage class for expression evaluation requests

Inheritance
object
EvaluateExpressionRequest
Inherited Members
object.Equals(object)
object.Equals(object, object)
object.GetHashCode()
object.GetType()
object.MemberwiseClone()
object.ReferenceEquals(object, object)
object.ToString()
Namespace: DuetControlServer.SPI
Assembly: DuetControlServer.dll
Syntax
public class EvaluateExpressionRequest

Constructors

EvaluateExpressionRequest(CodeChannel, string)

Constructor of this class

Declaration
public EvaluateExpressionRequest(CodeChannel channel, string expression)
Parameters
Type Name Description
CodeChannel channel

Where to evaluate the expression

string expression

Expression to evaluate

Properties

Channel

Where the expression is evaluated

Declaration
public CodeChannel Channel { get; }
Property Value
Type Description
CodeChannel

Expression

Expression to evaluate

Declaration
public string Expression { get; }
Property Value
Type Description
string

Task

Task that completes when the request has been fulfilled

Declaration
public Task<object?> Task { get; }
Property Value
Type Description
Task<object>

Written

Whether the request has been sent to the firmware

Declaration
public bool Written { get; set; }
Property Value
Type Description
bool

Methods

SetCanceled()

Set the task to canceled

Declaration
public void SetCanceled()

SetException(Exception)

Set an exception for the task

Declaration
public void SetException(Exception exception)
Parameters
Type Name Description
Exception exception

Exception to set

SetResult(object?)

Set the result of the evaluated expression

Declaration
public void SetResult(object? result)
Parameters
Type Name Description
object result

Result to set

In this article
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