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vb調(diào)用net控件嗎 VB net

vb.net如何調(diào)用窗體之間的控件

Public Class ks

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Inherits System.Windows.Forms.Form

#Region " Windows 窗體設(shè)計器生成的代碼 "

Public Sub New()

MyBase.New()

'該調(diào)用是 Windows 窗體設(shè)計器所必需的。

InitializeComponent()

'在 InitializeComponent() 調(diào)用之后添加任何初始化

End Sub

'窗體重寫 dispose 以清理組件列表。

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 窗體設(shè)計器所必需的

Private components As System.ComponentModel.IContainer

'注意: 以下過程是 Windows 窗體設(shè)計器所必需的

'可以使用 Windows 窗體設(shè)計器修改此過程。

'不要使用代碼編輯器修改它。

Friend WithEvents tx As System.Windows.Forms.TextBox

Friend WithEvents ty As System.Windows.Forms.TextBox

Friend WithEvents tz As System.Windows.Forms.TextBox

Friend WithEvents ok As System.Windows.Forms.Button

Friend WithEvents l1 As System.Windows.Forms.Label

Friend WithEvents l2 As System.Windows.Forms.Label

Friend WithEvents l3 As System.Windows.Forms.Label

System.Diagnostics.DebuggerStepThrough() Private Sub InitializeComponent()

Me.l1 = New System.Windows.Forms.Label

Me.l2 = New System.Windows.Forms.Label

Me.l3 = New System.Windows.Forms.Label

Me.tx = New System.Windows.Forms.TextBox

Me.ty = New System.Windows.Forms.TextBox

Me.tz = New System.Windows.Forms.TextBox

Me.ok = New System.Windows.Forms.Button

Me.SuspendLayout()

'

'l1

'

Me.l1.BackColor = System.Drawing.Color.FromArgb(CType(192, Byte), CType(192, Byte), CType(255, Byte))

Me.l1.Location = New System.Drawing.Point(8, 8)

Me.l1.Name = "l1"

Me.l1.Size = New System.Drawing.Size(200, 16)

Me.l1.TabIndex = 0

'

'l2

'

Me.l2.BackColor = System.Drawing.Color.FromArgb(CType(192, Byte), CType(192, Byte), CType(255, Byte))

Me.l2.Location = New System.Drawing.Point(8, 32)

Me.l2.Name = "l2"

Me.l2.Size = New System.Drawing.Size(200, 16)

Me.l2.TabIndex = 1

'

'l3

'

Me.l3.BackColor = System.Drawing.Color.FromArgb(CType(192, Byte), CType(192, Byte), CType(255, Byte))

Me.l3.Location = New System.Drawing.Point(8, 56)

Me.l3.Name = "l3"

Me.l3.Size = New System.Drawing.Size(200, 16)

Me.l3.TabIndex = 2

'

'tx

'

Me.tx.Location = New System.Drawing.Point(8, 80)

Me.tx.Name = "tx"

Me.tx.Size = New System.Drawing.Size(200, 25)

Me.tx.TabIndex = 3

Me.tx.Text = "請輸入x"

'

'ty

'

Me.ty.Location = New System.Drawing.Point(8, 104)

Me.ty.Name = "ty"

Me.ty.Size = New System.Drawing.Size(200, 25)

Me.ty.TabIndex = 4

Me.ty.Text = "請輸入y"

'

'tz

'

Me.tz.Location = New System.Drawing.Point(8, 128)

Me.tz.Name = "tz"

Me.tz.Size = New System.Drawing.Size(200, 25)

Me.tz.TabIndex = 5

Me.tz.Text = "請輸入z"

'

'ok

'

Me.ok.BackColor = System.Drawing.Color.FromArgb(CType(192, Byte), CType(192, Byte), CType(255, Byte))

Me.ok.Location = New System.Drawing.Point(8, 160)

Me.ok.Name = "ok"

Me.ok.Size = New System.Drawing.Size(200, 64)

Me.ok.TabIndex = 6

Me.ok.Text = "ok"

'

'ks

'

Me.AutoScaleBaseSize = New System.Drawing.Size(8, 18)

Me.BackColor = System.Drawing.Color.FromArgb(CType(128, Byte), CType(128, Byte), CType(255, Byte))

Me.ClientSize = New System.Drawing.Size(216, 232)

Me.Controls.Add(Me.ok)

Me.Controls.Add(Me.tz)

Me.Controls.Add(Me.ty)

Me.Controls.Add(Me.tx)

Me.Controls.Add(Me.l3)

Me.Controls.Add(Me.l2)

Me.Controls.Add(Me.l1)

Me.Name = "ks"

Me.Text = "考試"

Me.ResumeLayout(False)

End Sub

#End Region

Dim x, y, z, a, b, c, d, aa, bb, cc As Single

Dim tts, alls As Single

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

x = Int(1 + 30 * Rnd())

y = Int(1 + 20 * Rnd())

z = Int(1 + 25 * Rnd())

a = Int(2 + 4 * Rnd())

b = Int(1 + a * 2 * Rnd())

c = Int(1 + b * 2 * Rnd())

d = Int(1 + c * 3 * Rnd())

aa = x + y + z

bb = a * x + b * y + c * z

cc = b * x + c * y + d * z

l1.Text = "x+y+z=" Str(aa)

l2.Text = Str(a) "x+" Str(b) "y+" Str(c) "z=" Str(bb)

l3.Text = Str(b) "x+" Str(c) "y+" Str(d) "z=" Str(cc)

End Sub

Private Sub ok_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles ok.Click

If Val(tx.Text) = x And Val(ty.Text) = y And Val(tz.Text) = z Then

tts = tts + 1

End If

alls = alls + 1

tx.Text = ""

ty.Text = ""

tz.Text = ""

x = Int(1 + (1000 ^ 0.5) * Rnd())

y = Int(1 + (10000 ^ 0.4) * Rnd())

z = Int(1 + (100000 ^ 0.3) * Rnd())

a = Int(2 + 4 * Rnd())

b = Int(1 + a * 2 * Rnd())

c = Int(1 + b * 2 * Rnd())

d = Int(1 + c * 3 * Rnd())

aa = x + y + z

bb = a * x + b * y + c * z

cc = b * x + c * y + d * z

l1.Text = "x+y+z=" Str(aa)

l2.Text = Str(a) "x+" Str(b) "y+" Str(c) "z=" Str(bb)

l3.Text = Str(b) "x+" Str(c) "y+" Str(d) "z=" Str(cc)

End Sub

Private Sub ks_Click(ByVal sender As Object, ByVal e As System.EventArgs) Handles MyBase.Click

Dim lv As Single

If Not (alls = 0) Then

lv = Int(tts * 100000 / alls) / 1000

MsgBox(Str(lv) "%", , "正確率")

tx.Visible = False

ty.Visible = False

tz.Visible = False

ok.Visible = False

l1.Visible = False

l2.Visible = False

l3.Visible = False

Else

MsgBox("答題!", , "答題!")

End If

End Sub

End Class

VB.net中怎么調(diào)用控件的事件

軟糖

來回答羅。

“調(diào)用事件”有歧義,你的意思是不是下面兩種:

調(diào)用事件處理方法

直接調(diào)用對象名.方法名

'例如有這樣一個按鈕點擊事件處理程序

Private Sub Button1_Click(sender As Object, e As EventArgs) Handles Button1.Click

秒表.Start()

End Sub

'調(diào)用它直接用

Button1_Click(me, new EventArgs())引發(fā)事件

Button1.Click.Invoke(me, new EventArgs())另外 RaiseEvent

也可以引發(fā)事件,但不能使用

RaiseEvent 來引發(fā)派生窗體的控件事件,只有自己定義的類的事件才能用它引發(fā)。

如滿意,請采納,謝謝。

vb.net中如何調(diào)用控件的事件 參數(shù)怎么寫 例子:

TextBox1_GotFocus(sender,e)

如果調(diào)用的那個方法不是

(ByVal sender As Object, ByVal e As System.EventArgs)

這個簽名的話,用TextBox1_GotFocus(Nothing, Nothing)也行,但是不太好。

vb6里使用vb.net的控件

你可以在vb.net里將你需要的空間做成控件并生成ocx控件或生成dll控件庫,再到vb6里調(diào)用就成了。

你好,我想請教一下vb.net中怎么調(diào)用用戶控件,謝謝!

與使用System.Windows.Forms命名空間中的控件的用法沒有區(qū)別。

首先添加引用。

其次導(dǎo)入(Imports)命名空間。

接著就可以使用了:

1、要使用用戶控件的實例成員,就先創(chuàng)建一個用戶控件的實例,再通過實例名.實例成員名訪問;

2、要使用用戶控件的共享(Shared)成員,通過用戶控件類名.共享成員名訪問。

如果你問的是怎樣創(chuàng)建自己的用戶控件類:

1、繼承類System.Windows.Forms.UserControl;

2、繼承任何一個已經(jīng)存在的控件類(只要這個控件類不是NotInheritable的就行)。

vb 如何調(diào)用 NET寫的DLL?

VB.net語言

1、創(chuàng)建組件定義

新建一個Probject,在代碼中寫入:

Public Interface IDemo

Function Test() As String

End Interface

2、實現(xiàn)組件定義

新建一個Probject,添加對上述Probject的引用后,在代碼中寫入

Public Class Demo

Implements IDemo.IDemo

Public Function Test() As String Implements IDemo.IDemo.Test

Test = "Hello World!"

End Function

End Class

3、編譯出Demo.dll組件

4、使用.net的工具 Visual Studio .Net 2003 Command Prompt,輸入以下命令

Regasm Demo.dll /tlb:Demo.tlb

把Demo.dll注冊為一個com對象(這個com對象不等同于普通的用VB編寫的Com對象),并導(dǎo)出類型庫Demo.tlb

5、新建一個VB工程,添加對Demo.tlb和IDemo.tlb的引用

6、定義兩個全局變量

Dim vbDemo As Demo.Demo

Dim vbIDemo as IDemo.IDemo

7、在Form_Load事件中初始化

'初始化實體類

Set vbDemo = New Demo.Demo

'將實體類引用到抽象類

Set vbIDemo = vbDemo

8、然后,我們就可以用 vbIDemo.Test 這樣的方法了


名稱欄目:vb調(diào)用net控件嗎 VB net
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