form1.vb

适合VB初学者看

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

    '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 Label1 As System.Windows.Forms.Label
    Friend WithEvents Label2 As System.Windows.Forms.Label
    Friend WithEvents Button1 As System.Windows.Forms.Button
    <System.Diagnostics.DebuggerStepThrough()> Private Sub InitializeComponent()
        Me.Label1 = New System.Windows.Forms.Label()
        Me.Label2 = New System.Windows.Forms.Label()
        Me.Button1 = New System.Windows.Forms.Button()
        Me.SuspendLayout()
        '
        'Label1
        '
        Me.Label1.Location = New System.Drawing.Point(8, 32)
        Me.Label1.Name = "Label1"
        Me.Label1.Size = New System.Drawing.Size(448, 104)
        Me.Label1.TabIndex = 0
        Me.Label1.Text = "本程序示例了使用Windows Forms调用Web Service。按下<调用>按钮后，就调用http://localhost/SimpleWebService" & _
        "/Service1.asmx，取得结果，显示在label中。" & Microsoft.VisualBasic.ChrW(13) & Microsoft.VisualBasic.ChrW(10) & "实作该实例，你能将能：" & Microsoft.VisualBasic.ChrW(13) & Microsoft.VisualBasic.ChrW(10) & "一、学会使用VS.NET集成开发环境调用Web Service的步骤。" & _
        "" & Microsoft.VisualBasic.ChrW(13) & Microsoft.VisualBasic.ChrW(10) & "二、初步体验Web Service。" & Microsoft.VisualBasic.ChrW(13) & Microsoft.VisualBasic.ChrW(10) & "三、体验控制控件外观的技巧。"
        '
        'Label2
        '
        Me.Label2.BackColor = System.Drawing.SystemColors.ControlDarkDark
        Me.Label2.Font = New System.Drawing.Font("宋体", 36.0!, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, CType(134, Byte))
        Me.Label2.ForeColor = System.Drawing.Color.Cyan
        Me.Label2.Location = New System.Drawing.Point(32, 152)
        Me.Label2.Name = "Label2"
        Me.Label2.Size = New System.Drawing.Size(408, 64)
        Me.Label2.TabIndex = 1
        Me.Label2.TextAlign = System.Drawing.ContentAlignment.MiddleCenter
        '
        'Button1
        '
        Me.Button1.Location = New System.Drawing.Point(184, 240)
        Me.Button1.Name = "Button1"
        Me.Button1.Size = New System.Drawing.Size(104, 32)
        Me.Button1.TabIndex = 2
        Me.Button1.Text = "调    用"
        '
        'Form1
        '
        Me.AutoScaleBaseSize = New System.Drawing.Size(6, 14)
        Me.ClientSize = New System.Drawing.Size(466, 303)
        Me.Controls.AddRange(New System.Windows.Forms.Control() {Me.Button1, Me.Label2, Me.Label1})
        Me.FormBorderStyle = System.Windows.Forms.FormBorderStyle.FixedSingle
        Me.MaximizeBox = False
        Me.Name = "Form1"
        Me.StartPosition = System.Windows.Forms.FormStartPosition.CenterScreen
        Me.Text = "使用Windows Forms调用Web Service"
        Me.ResumeLayout(False)

    End Sub

#End Region

    Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
        '调用WebService的时间通常比较长，所以显示一个提示信息，以免运行者心急。
        Label2.Text = "调用中．．．"
        '立刻显示标签中的文字
        Me.Refresh()
        '定义一个localhost.Service1类的实例，该类是Web Service提供的
        Dim myService As New localhost.Service1()
        '调用该Web Service的HelloWebService方法，并把返回值赋给Label2.Text
        Label2.Text = myService.HelloWebService

    End Sub
End Class