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PowerStateMonitor Class

Monitors the system and battery power-state activity.

Suscribe to the events exposed by this class to be notifies about power-state changes.

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 class PowerStateMonitor : IDisposable

VBRequest Example

Public Class PowerStateMonitor
	Implements IDisposable

Dim instance As PowerStateMonitor

C++Request Example

public ref class PowerStateMonitor : IDisposable

F#Request Example

type PowerStateMonitor = 
    class
        interface IDisposable
    end

ASP.NETRequest Example

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

Inheritance: Object PowerStateMonitor

Implements: IDisposable

Example

This is a code example.

C#

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

VB

Friend WithEvents PowerStateMon As New PowerStateMonitor

Sub Test() Handles Me.Shown

    Me.PowerStateMon.Start()

End Sub

Private Sub PowerStateMon_SuspendInitiated(ByVal sender As Object, ByVal e As EventArgs) _
Handles PowerStateMon.SuspendInitiated

    Process.Start("CMD.exe", "/K Echo %TIME% The system is entering in Suspend state.")

End Sub

Private Sub PowerStateMon_SuspendResumed(ByVal sender As Object, ByVal e As EventArgs) _
Handles PowerStateMon.SuspendResumed

    Process.Start("CMD.exe", "/K Echo %TIME% The system resumed from Suspend state.")

End Sub

Private Sub PowerStateMon_BatteryStatusChanged(ByVal sender As Object, ByVal e As BatteryStatusChangedEventArgs) _
Handles PowerStateMon.BatteryStatusChanged

    Select Case e.BatteryChargeStatus

        Case BatteryChargeStatus.Low
            MessageBox.Show("Battery is running low.", "Low Battery", MessageBoxButtons.OK,  MessageBoxIcon.Exclamation)

        Case BatteryChargeStatus.Critical
            MessageBox.Show("Battery is critically low.", "Critical Battery", MessageBoxButtons.OK, MessageBoxIcon.Stop)

        Case Else
            ' Battery is okay.
            Exit Select

    End Select

End Sub

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

PowerStateMonitor

Initializes a new instance of the PowerStateMonitor class.

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)
Start	Starts the monitor.
Stop	Stops the monitor.
ToString	Returns a string that represents the current object. (Inherited from Object)

Events

BatteryStatusChanged	Occurs when the battery status changed.
SuspendInitiated	Occurs when the system is about to enter in Suspend state.
SuspendResumed	Occurs when the system is about to resume from Suspend state.

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)