vb.net函數(shù)傳遞參數(shù) vbs傳遞參數(shù)給bat

vb.net 如何傳遞類參數(shù)

線程結(jié)束后利用委托生成事件返回，線程應(yīng)用包括傳入和傳出參數(shù)。

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Public Delegate Sub ThreadCallback(value As ThreadResult)

Public Class Form1

Private WithEvents _th_1 As Thread_1

Protected Overrides Sub OnLoad(e As System.EventArgs)

Dim value As ThreadObject

value.Index = 1

Me._th_1 = New Thread_1(Me)

Me._th_1.Run(value)

MyBase.OnLoad(e)

End Sub

Private Sub Thread_1_End(sender As Object, e As ThreadEventArgs) Handles _th_1.ThreadEnd

Me.TextBox1.Text = e.Result.Text

End Sub

End Class

Public Class Thread_1

Public Event ThreadEnd(sender As Object, e As ThreadEventArgs)

Private _control As Control

Sub New(control As Control)

Me._control = control

End Sub

Public Sub Run(value As Object)

Dim th As New Threading.Thread(AddressOf ThreadProc)

th.Start(value)

End Sub

Private Sub ThreadProc(obj As Object)

Dim value As ThreadObject = CType(obj, ThreadObject)

Dim result As ThreadResult = Nothing

If value.Index = 1 Then result.Text = "測試"

Dim callback As New ThreadCallback(AddressOf ThreadInvoke)

_control.Invoke(callback, result)

End Sub

Private Sub ThreadInvoke(value As ThreadResult)

RaiseEvent ThreadEnd(Me, New ThreadEventArgs(value))

End Sub

End Class

Public Structure ThreadObject

Public Index As Integer

'Public Rect As Rectangle

End Structure

Public Structure ThreadResult

Public Text As String

'Public Rect As Rectangle

End Structure

Public Class ThreadEventArgs

Inherits System.EventArgs

Private _result As ThreadResult

Public ReadOnly Property Result As ThreadResult

Get

Return _result

End Get

End Property

Sub New(value As ThreadResult)

Me._result = value

End Sub

End Class

vb.net 給委托的函數(shù)傳遞參數(shù)

兩個參數(shù)：一個是數(shù)組名,一個是傳遞的長度

Function thename(ByVal imgFrom As Image) As String

thename = imgFrom.Name

End Function

Private Sub Image1_Click()

MsgBox thename(Image1)

End Sub

VB.NET中傳遞參數(shù)有哪些方式？

byval

byref

Of

Optional

ParamArray

在Visual stdio 工程中寫 public sub AA(

下面自動出現(xiàn)這五個.

你這個默認(rèn)是指自動生成的方法(過程\函數(shù))嗎?

那么默認(rèn)是值傳遞Byval

要是自己寫函數(shù).則無參為默認(rèn)

文章標(biāo)題：vb.net函數(shù)傳遞參數(shù) vbs傳遞參數(shù)給bat
轉(zhuǎn)載來源：http://muchs.cn/article12/doeodgc.html

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