VB-多线程实例代码

1、精选优质文档-倾情为你奉上VB 多线程实例代码 最近因为想写一个多线程的工具，以前也没写过；所以查了些VB多线程资料；方法虽然有很多，但我觉得这种是最简单而且又安全的一种真真的VB多线程方法。大家往下看吧，分2大步骤；1、新建一个工程，类型选择ActiveX Exe，工程重命名为TestExe在工程中添加一个Form，放上一个Timer控件。注：Timer 控件 interval值别忘了设置。将Class1改名为clsTest，注意其Instancing要设置为5-MultiUse。以下是clsTest类模块其代码：Option ExplicitPrivate Declare Sub Slee

2、p Lib kernel32 (ByVal dwMilliseconds As Long)Private WithEvents oTimer As TimerPrivate frmTmp As Form1Private lTotalLoop As LongPrivate bDoStop As BooleanPrivate lInterval As LongPublic Event Progress(ByVal lProgress As Long)Public Sub StartSub(ByVal lTotal As Long) lTotalLoop = lTotal oTimer.Enable

3、d = TrueEnd SubPublic Sub StopSub() bDoStop = TrueEnd SubPrivate Sub Class_Initialize() Set frmTmp = New Form1 Load frmTmp Set oTimer = frmTmp.Timer1 oTimer.Enabled = False bDoStop = False lInterval = 1End SubPrivate Sub DoLoop() Dim i As Long For i = 0 To lTotalLoop Sleep (lInterval) RaiseEvent Pro

4、gress(i) If bDoStop = True Then Exit Sub End If NextEnd SubPrivate Sub Class_Terminate() Unload frmTmp Set frmTmp = Nothing Set oTimer = NothingEnd SubPrivate Sub oTimer_Timer() oTimer.Enabled = False DoLoopEnd SubPublic Property Get lMillisecs() As Long lMillisecs = lIntervalEnd PropertyPublic Prop

5、erty Let lMillisecs(ByVal vNewValue As Long) lInterval = vNewValueEnd Property在TestExe 工程属性的通用页下，选择线程缓冲沲，线程数值设值为2。 则调用此ActiveX Exe最多能同时有两个线程， 更多的请求将放置于队列中。编译生成TestExe2、下面来测试我们的多线程程序：新建一个标准 Exe工程,在“引用”中选择刚刚编译生成的TestExe.exe在Form1中添加两个ListBox,两个CommandButton,Command1为开始,Command2为停止以下是Projec

6、t1.Form1的代码:Option ExplicitPrivate WithEvents oTest1 As TestEXE.clsTestPrivate WithEvents oTest2 As TestEXE.clsTestPrivate Sub Command1_Click() Set oTest1 = New TestEXE.clsTest oTest1.lMillisecs = 100 oTest1.StartSub (1000) Set oTest2 = New TestEXE.clsTest oTest2.lMillisecs = 100 oTest2.StartSub (10

7、00)End SubPrivate Sub Command2_Click() oTest1.StopSub oTest2.StopSubEnd SubPrivate Sub Form_Unload(Cancel As Integer) Set oTest1 = Nothing Set oTest2 = NothingEnd SubPrivate Sub oTest1_Progress(ByVal lProgress As Long) List1.AddItem lProgress List1.ListIndex = List1.ListCount - 1End SubPrivate Sub oTest2_Progress(ByVal lProgress As Long) Li