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PreventShutdownContext Class

Provides a mechanism to prevent any system shutdown/restart/log-off request during the life-cycle of a instance of this class.

Applications should use this class as they begin an operation that cannot be interrupted, such as burning a CD or DVD.

This class is to be used in either a Using statement or for the life-cycle of the current application.

Definition

Namespace: DevCase.Core.IO.Devices.Power
Assembly: DevCase.net48 (in DevCase.net48.dll) Version: 6.0.0.0 (6.0)
XMLNS for XAML: Not mapped to an xmlns.

C#Request Example

public sealed class PreventShutdownContext : IDisposable

VBRequest Example

Public NotInheritable Class PreventShutdownContext
	Implements IDisposable

Dim instance As PreventShutdownContext

C++Request Example

public ref class PreventShutdownContext sealed : IDisposable

F#Request Example

[<SealedAttribute>]
type PreventShutdownContext = 
    class
        interface IDisposable
    end

ASP.NETRequest Example

No code example is currently available or this language may not be supported.

Inheritance: Object PreventShutdownContext

Implements: IDisposable

Remarks

Original source-code: https://github.com/dahall/Vanara/blob/master/WIndows.Forms/Contexts/PreventShutdownContext.cs

Example

This is a code example.

C#

No code example is currently available or this language may not be supported.

VB

Using psc As New PreventShutdownContext("Critical operation is in progress...")
    ' Do something that can't be interrupted... 
End Using

C++

No code example is currently available or this language may not be supported.

F#

No code example is currently available or this language may not be supported.

XAML

No code example is currently available or this language may not be supported.

ASP.NET

No code example is currently available or this language may not be supported.

Constructors

PreventShutdownContext

Initializes a new instance of the PreventShutdownContext class.

Properties

Reason

Gets or sets the reason for which the current application must prevent system shutdown.

Because users are typically in a hurry when shutting down the system, they may spend only a few seconds looking at the shutdown reasons that are displayed by the system. Therefore, it is important that your reason strings are short and clear.

Methods

Dispose	Releases all the resources used by this instance.
Equals	Determines whether the specified object is equal to the current object. (Inherited from Object)
GetHashCode	Serves as the default hash function. (Inherited from Object)
GetType	Gets the Type of the current instance. (Inherited from Object)
ToString	Returns a string that represents the current object. (Inherited from Object)

Extension Methods

CanConvertTo	Determines whether the source object can be converted to the specified target type. (Defined by ObjectExtensions)
CanConvertToT	Determines whether the source object can be converted to the specified target type. (Defined by ObjectExtensions)
ConvertToT	Converts an object to the specified target type. If the conversion fails, an exception is thrown. (Defined by ObjectExtensions)
ConvertToT	Converts an object to the specified target type. If the conversion fails, returns the specified default value. (Defined by ObjectExtensions)
IsDisposable	Determines whether the specified object is a disposable type (i.e., it implements IDisposable interface). (Defined by ObjectExtensions)
Speak	Speaks the string representation of the source object by using the operating system integrated text-to-speech synthesizer. (Defined by ObjectExtensions)
Speak	Speaks the string representation of the source object by using the operating system integrated text-to-speech synthesizer. (Defined by ObjectExtensions)
ThrowIfNullTException	Throws the specified exception if the source object is null. (Defined by ObjectExtensions)