form1.vb

Visual.Basic.NET实用编程百例-47.6M.zip

Friend Class Form1
    Inherits System.Windows.Forms.Form
#Region "Windows 窗体设计器生成的代码"
    Public Sub New()
        MyBase.New()
        '此调用是 Windows 窗体设计器所必需的。
        InitializeComponent()
    End Sub
    '窗体重写处置，以清理组件列表。
    Protected Overloads Overrides Sub Dispose(ByVal Disposing As Boolean)
        If Disposing Then
            If Not components Is Nothing Then
                components.Dispose()
            End If
        End If
        MyBase.Dispose(Disposing)
    End Sub
    'Windows 窗体设计器所必需的
    Private components As System.ComponentModel.IContainer
    Public ToolTip1 As System.Windows.Forms.ToolTip
    Public WithEvents Command1 As System.Windows.Forms.Button
    Public WithEvents Timer1 As System.Windows.Forms.Timer
    Public WithEvents Label4 As System.Windows.Forms.Label
    Public WithEvents Label3 As System.Windows.Forms.Label
    Public WithEvents Label2 As System.Windows.Forms.Label
    Public WithEvents Label1 As System.Windows.Forms.Label
    '注意：以下过程是 Windows 窗体设计器所必需的
    '可以使用 Windows 窗体设计器来修改它。
    '不要使用代码编辑器来修改它。
    <System.Diagnostics.DebuggerStepThrough()> Private Sub InitializeComponent()
        Me.components = New System.ComponentModel.Container
        Me.ToolTip1 = New System.Windows.Forms.ToolTip(Me.components)
        Me.Command1 = New System.Windows.Forms.Button
        Me.Timer1 = New System.Windows.Forms.Timer(Me.components)
        Me.Label4 = New System.Windows.Forms.Label
        Me.Label3 = New System.Windows.Forms.Label
        Me.Label2 = New System.Windows.Forms.Label
        Me.Label1 = New System.Windows.Forms.Label
        Me.SuspendLayout()
        '
        'Command1
        '
        Me.Command1.BackColor = System.Drawing.SystemColors.Control
        Me.Command1.Cursor = System.Windows.Forms.Cursors.Default
        Me.Command1.ForeColor = System.Drawing.SystemColors.ControlText
        Me.Command1.Location = New System.Drawing.Point(72, 200)
        Me.Command1.Name = "Command1"
        Me.Command1.RightToLeft = System.Windows.Forms.RightToLeft.No
        Me.Command1.Size = New System.Drawing.Size(100, 30)
        Me.Command1.TabIndex = 4
        Me.Command1.Text = "退出"
        '
        'Timer1
        '
        Me.Timer1.Enabled = True
        Me.Timer1.Interval = 50
        '
        'Label4
        '
        Me.Label4.BackColor = System.Drawing.SystemColors.Control
        Me.Label4.Cursor = System.Windows.Forms.Cursors.Default
        Me.Label4.ForeColor = System.Drawing.SystemColors.ControlText
        Me.Label4.Location = New System.Drawing.Point(24, 136)
        Me.Label4.Name = "Label4"
        Me.Label4.RightToLeft = System.Windows.Forms.RightToLeft.No
        Me.Label4.Size = New System.Drawing.Size(216, 33)
        Me.Label4.TabIndex = 3
        '
        'Label3
        '
        Me.Label3.BackColor = System.Drawing.SystemColors.Control
        Me.Label3.Cursor = System.Windows.Forms.Cursors.Default
        Me.Label3.ForeColor = System.Drawing.SystemColors.ControlText
        Me.Label3.Location = New System.Drawing.Point(24, 88)
        Me.Label3.Name = "Label3"
        Me.Label3.RightToLeft = System.Windows.Forms.RightToLeft.No
        Me.Label3.Size = New System.Drawing.Size(216, 33)
        Me.Label3.TabIndex = 2
        '
        'Label2
        '
        Me.Label2.BackColor = System.Drawing.SystemColors.Control
        Me.Label2.Cursor = System.Windows.Forms.Cursors.Default
        Me.Label2.ForeColor = System.Drawing.SystemColors.ControlText
        Me.Label2.Location = New System.Drawing.Point(24, 48)
        Me.Label2.Name = "Label2"
        Me.Label2.RightToLeft = System.Windows.Forms.RightToLeft.No
        Me.Label2.Size = New System.Drawing.Size(216, 25)
        Me.Label2.TabIndex = 1
        '
        'Label1
        '
        Me.Label1.BackColor = System.Drawing.SystemColors.Control
        Me.Label1.Cursor = System.Windows.Forms.Cursors.Default
        Me.Label1.ForeColor = System.Drawing.SystemColors.ControlText
        Me.Label1.Location = New System.Drawing.Point(24, 8)
        Me.Label1.Name = "Label1"
        Me.Label1.RightToLeft = System.Windows.Forms.RightToLeft.No
        Me.Label1.Size = New System.Drawing.Size(216, 25)
        Me.Label1.TabIndex = 0
        '
        'Form1
        '
        Me.AutoScaleBaseSize = New System.Drawing.Size(6, 14)
        Me.ClientSize = New System.Drawing.Size(256, 245)
        Me.Controls.Add(Me.Command1)
        Me.Controls.Add(Me.Label4)
        Me.Controls.Add(Me.Label3)
        Me.Controls.Add(Me.Label2)
        Me.Controls.Add(Me.Label1)
        Me.Location = New System.Drawing.Point(4, 23)
        Me.Name = "Form1"
        Me.Text = "显示内存情况"
        Me.ResumeLayout(False)

    End Sub
#End Region
    Private Declare Sub GlobalMemoryStatus Lib "kernel32" (ByRef lpBuffer As Form1.MEMORYSTATUS)
    Private Structure MEMORYSTATUS
        Dim dwLength As Integer
        Dim dwMemoryLoad As Integer
        Dim dwTotalPhys As Integer
        Dim dwAvailPhys As Integer
        Dim dwTotalPageFile As Integer
        Dim dwAvailPageFile As Integer
        Dim dwTotalVirtual As Integer
        Dim dwAvailVirtual As Integer
    End Structure
    Dim mLocalMemory As Form1.MEMORYSTATUS
    Private Sub tmrupdate_timer()
        Dim npercent As Short
        Call GlobalMemoryStatus(mLocalMemory)
        Label1.Text = "虚拟内存总数：" & Format(mLocalMemory.dwTotalVirtual \ 1024, "#,###,##0") & "kb"
        Label2.Text = "物理内存总数：" & Format(mLocalMemory.dwTotalPhys \ 1024, "#,###,##0") & "kb"
        Label3.Text = "分页文件总字节数：" & Format(mLocalMemory.dwTotalPageFile \ 1024, "#,###,##0") & "kb"
        npercent = mLocalMemory.dwMemoryLoad
        Label4.Text = "内存使用百分比：" & CStr(npercent) & "%"
    End Sub

    Private Sub Command1_Click(ByVal eventSender As System.Object, ByVal eventArgs As System.EventArgs) Handles Command1.Click
        End
    End Sub

    Private Sub Timer1_Tick(ByVal eventSender As System.Object, ByVal eventArgs As System.EventArgs) Handles Timer1.Tick
        Call tmrupdate_timer()
    End Sub

    Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load

    End Sub
End Class