多线程处理中对象的内存占用及释放讨论

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选择匿名的用户   2021-5-31 06:23   11   0

Public Class Form1
Inherits System.Windows.Forms.Form

#Region " Windows 窗体设计器生成的代码 "

Public Sub New()
MyBase.New()

'该调用是 Windows 窗体设计器所必需的。
InitializeComponent()

'在 InitializeComponent() 调用之后添加任何初始化

End Sub

'窗体重写 dispose 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

'注意: 以下过程是 Windows 窗体设计器所必需的
'可以使用 Windows 窗体设计器修改此过程。
'不要使用代码编辑器修改它。
Friend WithEvents Button1 As System.Windows.Forms.Button
<System.Diagnostics.DebuggerStepThrough()> Private Sub InitializeComponent()
Me.Button1 = New System.Windows.Forms.Button
Me.SuspendLayout()
'
'Button1
'
Me.Button1.Location = New System.Drawing.Point(56, 112)
Me.Button1.Name = "Button1"
Me.Button1.TabIndex = 0
Me.Button1.Text = "Button1"
'
'Form1
'
Me.AutoScaleBaseSize = New System.Drawing.Size(6, 14)
Me.ClientSize = New System.Drawing.Size(292, 273)
Me.Controls.Add(Me.Button1)
Me.Name = "Form1"
Me.Text = "Form1"
Me.ResumeLayout(False)

End Sub

#End Region

Private mthTest As Threading.Thread
Private i As Integer
Private WithEvents a As test

Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
For i = 1 To 50
a = New test
a.ID = i
mthTest = New Threading.Thread(AddressOf a.add)
mthTest.Start()
Next
End Sub

Private Sub k() Handles a.Finish
System.GC.Collect()
End Sub
End Class

Public Class test
Private mintID As Integer

Public Event Finish()

Public Property ID() As Integer
Get
Return mintID
End Get
Set(ByVal Value As Integer)
mintID = Value
End Set
End Property

Public Sub add()
Dim i As Integer
For i = 0 To 100
Debug.WriteLine("这是第" & mintID & "个线程,运行次数:" & i + 1)
Next
RaiseEvent Finish()
End Sub
End Class

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