Class RadService
Represents abstact class that provides service capabilities.
Inherited Members
Namespace: Telerik.WinControls
Assembly: Telerik.WinControls.dll
Syntax
public abstract class RadService : RadObject, IDisposable, INotifyPropertyChanged, ICustomTypeDescriptor
Constructors
RadService()
Initializes a new instance of the RadService class.
Declaration
protected RadService()
Properties
AvailableAtDesignTime
Determines whether the service is available at design-time. False by default.
Declaration
public virtual bool AvailableAtDesignTime { get; }
Property Value
System.Boolean
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Context
Gets the context associated with the current operation. This member is valid only while the Service is started or paused.
Declaration
public object Context { get; }
Property Value
System.Object
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Enabled
Determines whether the Service is enabled (may be started). If the Service is working and its is disabled, it will end its current operation.
Declaration
public bool Enabled { get; set; }
Property Value
System.Boolean
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Name
Gets the name of the service.
Declaration
public virtual string Name { get; }
Property Value
System.String
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State
Gets the current state of the service.
Declaration
public RadServiceState State { get; }
Property Value
RadServiceState
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Methods
Abort()
Aborts the current operation without applying any changes.
Declaration
protected virtual void Abort()
CanOperate()
Determines whether the service is operational and may perform actions.
Declaration
public virtual bool CanOperate()
Returns
System.Boolean
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CanStart(Object)
Determines whether the service may be started. Validation is as follows:
- Check whether Enabled is true.
- Check the context through IsContextValid method. An exception is thrown if context is invalid.
- Checks the current state - it should be Initial or Stopped.
Declaration
protected virtual bool CanStart(object context)
Parameters
System.Object
context
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Returns
System.Boolean
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Commit()
Ends the current operation and applies all changes.
Declaration
protected virtual void Commit()
IsContextValid(Object)
Evaluates the provided context. Some services may not operate without certain context provided.
Declaration
protected virtual bool IsContextValid(object context)
Parameters
System.Object
context
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Returns
System.Boolean
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OnEnabledChanged()
Notifies for a change in the Enabled state.
Declaration
protected virtual void OnEnabledChanged()
OnStarted()
Notifies that the service has been successfully started. Allows inheritors to perform some additional logic upon start.
Declaration
protected virtual void OnStarted()
OnStarting(RadServiceStartingEventArgs)
Notifies that a start request has occured. Cancelable.
Declaration
protected virtual void OnStarting(RadServiceStartingEventArgs e)
Parameters
RadServiceStartingEventArgs
e
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OnStopped()
Notifies that a running operation has stopped. Allows inheritors to perform some additional logic upon stop.
Declaration
protected virtual void OnStopped()
OnStopping(RadServiceStoppingEventArgs)
Notifies that a stop request has occured. Cancelable.
Declaration
protected virtual void OnStopping(RadServiceStoppingEventArgs e)
Parameters
RadServiceStoppingEventArgs
e
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Pause()
Pauses a currently running operation.
Declaration
public void Pause()
PerformPause()
Performs the core Pause logic.
Declaration
protected virtual void PerformPause()
PerformResume()
Performs the core Resume logic.
Declaration
protected virtual void PerformResume()
PerformStart()
Performs the core Start logic.
Declaration
protected virtual void PerformStart()
PerformStop()
Stops the service. Performs the core logic.
Declaration
protected virtual void PerformStop()
Resume()
Resumes previously paused operation.
Declaration
public void Resume()
SetContext(Object)
Sets the provided object as the current context.
Declaration
protected virtual void SetContext(object context)
Parameters
System.Object
context
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Start(Object)
Starts the Service. If the service was previously paused, it should be re-started with the Resume method.
Declaration
public void Start(object context)
Parameters
System.Object
context
A context passed to the service. |
Stop(Boolean)
Stops currently working or previously stopped service.
Declaration
public void Stop(bool commit)
Parameters
System.Boolean
commit
True to indicate that current operation ended successfully, false otherwise. |
Events
Started
Raised right after the service is started.
Declaration
public event EventHandler Started
Event Type
System.EventHandler
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Starting
Raised when the service is about to be started.
Declaration
public event EventHandler<RadServiceStartingEventArgs> Starting
Event Type
System.EventHandler<RadServiceStartingEventArgs>
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Stopped
Raised when the service is stopped.
Declaration
public event EventHandler Stopped
Event Type
System.EventHandler
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Stopping
Raised when the service is about to be stopped.
Declaration
public event EventHandler<RadServiceStoppingEventArgs> Stopping
Event Type
System.EventHandler<RadServiceStoppingEventArgs>
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