' ====================================== ' Get PDA Battery Info ' Summary: ' Using P/Invoke to get Battery Info. ' This technique is introduced in MSDN ' Library - January 2005 and this program ' is written based on the sample program ' of ms-help://MS.MSDNQTR.2005JAN.1033/dncfhowto/html/getpowstat.htm ' Functions: ' This program get PDA's battery info- ' mation containing main battery lifetime, ' voltage,current,and backup battery info. ' ' 2005/3/17 ' Hesicong ' http://dream-world.nease.net ' http://blog.csdn.net/hesicong ' mailto:hesicong@mail.sc.cninfo.net Imports System Imports System.Drawing Imports System.Collections Imports System.Windows.Forms Imports System.Data Imports System.Runtime.InteropServices ' Summary description for Form1. Public Class BatteryInfo Class BatteryInfo Inherits System.Windows.Forms.Form Friend WithEvents TextBox1 As System.Windows.Forms.TextBox Private mainMenu1 As System.Windows.Forms.MainMenu Public Sub New()Sub New() ' ' Required for Windows Form Designer support ' InitializeComponent() End Sub 'New ' ' TODO: Add any constructor code after InitializeComponent call ' ' Clean up any resources being used. Protected Overloads Overrides Sub Dispose()Sub Dispose(ByVal disposing As Boolean) MyBase.Dispose(disposing) End Sub 'Dispose Windows Form Designer generated code#Region "Windows Form Designer generated code" ' Required method for Designer support - do not modify ' the contents of this method with the code editor. Friend WithEvents MenuItem4 As System.Windows.Forms.MenuItem Friend WithEvents MenuItem5 As System.Windows.Forms.MenuItem Friend WithEvents MenuItem7 As System.Windows.Forms.MenuItem Friend WithEvents Timer1 As System.Windows.Forms.Timer Friend WithEvents mnuAutoRefresh As System.Windows.Forms.MenuItem Friend WithEvents mnuAbout As System.Windows.Forms.MenuItem Friend WithEvents MenuItem1 As System.Windows.Forms.MenuItem Private Sub InitializeComponent()Sub InitializeComponent() Me.mainMenu1 = New System.Windows.Forms.MainMenu Me.MenuItem4 = New System.Windows.Forms.MenuItem Me.MenuItem5 = New System.Windows.Forms.MenuItem Me.mnuAutoRefresh = New System.Windows.Forms.MenuItem Me.MenuItem7 = New System.Windows.Forms.MenuItem Me.mnuAbout = New System.Windows.Forms.MenuItem Me.TextBox1 = New System.Windows.Forms.TextBox Me.Timer1 = New System.Windows.Forms.Timer Me.MenuItem1 = New System.Windows.Forms.MenuItem ' 'mainMenu1 ' Me.mainMenu1.MenuItems.Add(Me.MenuItem4) Me.mainMenu1.MenuItems.Add(Me.mnuAbout) ' 'MenuItem4 ' Me.MenuItem4.MenuItems.Add(Me.MenuItem5) Me.MenuItem4.MenuItems.Add(Me.mnuAutoRefresh) Me.MenuItem4.MenuItems.Add(Me.MenuItem1) Me.MenuItem4.MenuItems.Add(Me.MenuItem7) Me.MenuItem4.Text = "Menu" ' 'MenuItem5 ' Me.MenuItem5.Text = "Refresh" ' 'mnuAutoRefresh ' Me.mnuAutoRefresh.Text = "AutoRefresh" ' 'MenuItem7 ' Me.MenuItem7.Text = "End" ' 'mnuAbout ' Me.mnuAbout.Text = "About" ' 'TextBox1 ' Me.TextBox1.Location = New System.Drawing.Point(8, 8) Me.TextBox1.Multiline = True Me.TextBox1.ScrollBars = System.Windows.Forms.ScrollBars.Horizontal Me.TextBox1.Size = New System.Drawing.Size(224, 256) Me.TextBox1.Text = "" ' 'Timer1 ' Me.Timer1.Interval = 1000 ' 'MenuItem1 ' Me.MenuItem1.Text = "SetRefreshInterval" ' 'BatteryInfo ' Me.Controls.Add(Me.TextBox1) Me.Menu = Me.mainMenu1 Me.Text = "BatteryInfo" End Sub 'InitializeComponent #End Region ' The main entry point for the application. Shared Sub Main()Sub Main() Application.Run(New BatteryInfo) End Sub 'Main Public Class SYSTEM_POWER_STATUS_EX2Class SYSTEM_POWER_STATUS_EX2 Public ACLineStatus As Byte Public BatteryFlag As Byte Public BatteryLifePercent As Byte Public Reserved1 As Byte Public BatteryLifeTime As System.UInt32 Public BatteryFullLifeTime As System.UInt32 Public Reserved2 As Byte Public BackupBatteryFlag As Byte Public BackupBatteryLifePercent As Byte Public Reserved3 As Byte Public BackupBatteryLifeTime As System.UInt32 Public BackupBatteryFullLifeTime As System.UInt32 Public BatteryVoltage As System.UInt32 Public BatteryCurrent As System.UInt32 Public BatteryAverageCurrent As System.UInt32 Public BatteryAverageInterval As System.UInt32 Public BatterymAHourConsumed As System.UInt32 Public BatteryTemperature As System.UInt32 Public BackupBatteryVoltage As System.UInt32 Public BatteryChemistry As Byte End Class 'SYSTEM_POWER_STATUS_EX2 Public Class SYSTEM_POWER_STATUS_EXClass SYSTEM_POWER_STATUS_EX Public ACLineStatus As Byte Public BatteryFlag As Byte Public BatteryLifePercent As Byte Public Reserved1 As Byte Public BatteryLifeTime As System.UInt32 Public BatteryFullLifeTime As System.UInt32 Public Reserved2 As Byte Public BackupBatteryFlag As Byte Public BackupBatteryLifePercent As Byte Public Reserved3 As Byte Public BackupBatteryLifeTime As System.UInt32 Public BackupBatteryFullLifeTime As System.UInt32 End Class 'SYSTEM_POWER_STATUS_EX <DllImport("coredll")> _ Private Shared Function GetSystemPowerStatusEx()Function GetSystemPowerStatusEx(ByVal lpSystemPowerStatus As SYSTEM_POWER_STATUS_EX, ByVal fUpdate As Boolean) As System.UInt32 End Function <DllImport("coredll")> _ Private Shared Function GetSystemPowerStatusEx2()Function GetSystemPowerStatusEx2(ByVal lpSystemPowerStatus As SYSTEM_POWER_STATUS_EX2, ByVal dwLen As System.UInt32, ByVal fUpdate As Boolean) As System.UInt32 End Function Private Sub Form1_Load()Sub Form1_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles MyBase.Load RefreshStatus() End Sub 'Form1_Load Private Sub RefreshStatus()Sub RefreshStatus() Dim status As New SYSTEM_POWER_STATUS_EX Dim status2 As New SYSTEM_POWER_STATUS_EX2 TextBox1.Text = "" TextBox1.Text = "Sample Time:" & Format(Now, "HH:mm:ss") + vbCrLf + vbCrLf With TextBox1 If Convert.ToInt32(GetSystemPowerStatusEx(status, False)) = 1 Then 'Do some further work here End If If Convert.ToInt32(GetSystemPowerStatusEx2(status2, Convert.ToUInt32(Marshal.SizeOf(status2)), False)) = Marshal.SizeOf(status2) Then Select Case CInt(status2.ACLineStatus.ToString) Case 0 .Text += "AC Status: Offline" + vbCrLf Case 1 .Text += "AC Status: Online" + vbCrLf Case Else .Text += "AC Status: Unknown" + vbCrLf End Select .Text += vbCrLf .Text += "MainBattery" + vbCrLf .Text += "-LifePercent:" & status2.BatteryLifePercent.ToString + vbCrLf .Text += "-Voltage:" & (CInt(status2.BatteryVoltage.ToString) / 1000).ToString + "V" + vbCrLf .Text += "-Current:" & status2.BatteryCurrent.ToString + "mA" + vbCrLf .Text += "-Temperature:" & (CInt(status2.BatteryTemperature.ToString) / 10).ToString + "℃" + vbCrLf .Text += vbCrLf .Text += "BackupBattery" + vbCrLf .Text += "-LifePercent:" & status2.BackupBatteryLifePercent.ToString + vbCrLf .Text += "-Voltage:" & (CInt(status2.BackupBatteryVoltage.ToString) / 1000).ToString + "V" + vbCrLf End If End With End Sub Private Sub MenuItem3_Click()Sub MenuItem3_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Application.Exit() End Sub Private Sub MenuItem1_Click()Sub MenuItem1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) RefreshStatus() End Sub Private Sub MenuItem7_Click()Sub MenuItem7_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MenuItem7.Click Application.Exit() End Sub Private Sub MenuItem5_Click()Sub MenuItem5_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MenuItem5.Click RefreshStatus() End Sub Private Sub mnuAutoRefresh_Click()Sub mnuAutoRefresh_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles mnuAutoRefresh.Click mnuAutoRefresh.Checked = Not (mnuAutoRefresh.Checked) Timer1.Enabled = mnuAutoRefresh.Checked End Sub Private Sub Timer1_Tick()Sub Timer1_Tick(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Timer1.Tick RefreshStatus() End Sub Private Sub mnuAbout_Click()Sub mnuAbout_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles mnuAbout.Click MsgBox("Program by Hesicong" & vbCrLf & "http://dream-world.nease.net" & vbCrLf & " http://blog.csdn.net/hesicong" & vbCrLf & "QQ:38288890", MsgBoxStyle.OKOnly, "About") End Sub Private Sub MenuItem1_Click_1()Sub MenuItem1_Click_1(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MenuItem1.Click Timer1.Interval = CInt(InputBox("Please enter autorefresh interval(s)", "BatteryInfo", "1")) * 1000 End Sub End Class ' Form1