form1.vb

这是一本用Visual Studio.NET进行多媒体编程的读物

Option Strict Off
Option Explicit On
Friend Class Form1
	Inherits System.Windows.Forms.Form
#Region "Windows 窗体设计器生成的代码"
	Public Sub New()
		MyBase.New()
		If m_vb6FormDefInstance Is Nothing Then
			If m_InitializingDefInstance Then
				m_vb6FormDefInstance = Me
			Else
				Try 
					'对于启动窗体，所创建的第一个实例为默认实例。
					If System.Reflection.Assembly.GetExecutingAssembly.EntryPoint.DeclaringType Is Me.GetType Then
						m_vb6FormDefInstance = Me
					End If
				Catch
				End Try
			End If
		End If
		'此调用是 Windows 窗体设计器所必需的。
		InitializeComponent()
	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
	Public ToolTip1 As System.Windows.Forms.ToolTip
	Public WithEvents Command4 As System.Windows.Forms.Button
	Public WithEvents Command3 As System.Windows.Forms.Button
	Public WithEvents Command2 As System.Windows.Forms.Button
	Public WithEvents Command1 As System.Windows.Forms.Button
	Public WithEvents Text2 As System.Windows.Forms.TextBox
	Public WithEvents Text1 As System.Windows.Forms.TextBox
	Public WithEvents Label2 As System.Windows.Forms.Label
	Public WithEvents Label1 As System.Windows.Forms.Label
	'注意：以下过程是 Windows 窗体设计器所必需的
	'可以使用 Windows 窗体设计器来修改它。
	'不要使用代码编辑器来修改它。
	<System.Diagnostics.DebuggerStepThrough()> Private Sub InitializeComponent()
		Dim resources As System.Resources.ResourceManager = New System.Resources.ResourceManager(GetType(Form1))
		Me.components = New System.ComponentModel.Container()
		Me.ToolTip1 = New System.Windows.Forms.ToolTip(components)
		Me.ToolTip1.Active = True
		Me.Command4 = New System.Windows.Forms.Button
		Me.Command3 = New System.Windows.Forms.Button
		Me.Command2 = New System.Windows.Forms.Button
		Me.Command1 = New System.Windows.Forms.Button
		Me.Text2 = New System.Windows.Forms.TextBox
		Me.Text1 = New System.Windows.Forms.TextBox
		Me.Label2 = New System.Windows.Forms.Label
		Me.Label1 = New System.Windows.Forms.Label
		Me.Text = "Form1"
		Me.ClientSize = New System.Drawing.Size(315, 175)
		Me.Location = New System.Drawing.Point(4, 23)
		Me.StartPosition = System.Windows.Forms.FormStartPosition.WindowsDefaultLocation
		Me.AutoScaleBaseSize = New System.Drawing.Size(5, 13)
		Me.BackColor = System.Drawing.SystemColors.Control
		Me.FormBorderStyle = System.Windows.Forms.FormBorderStyle.Sizable
		Me.ControlBox = True
		Me.Enabled = True
		Me.KeyPreview = False
		Me.MaximizeBox = True
		Me.MinimizeBox = True
		Me.Cursor = System.Windows.Forms.Cursors.Default
		Me.RightToLeft = System.Windows.Forms.RightToLeft.No
		Me.ShowInTaskbar = True
		Me.HelpButton = False
		Me.WindowState = System.Windows.Forms.FormWindowState.Normal
		Me.Name = "Form1"
		Me.Command4.TextAlign = System.Drawing.ContentAlignment.MiddleCenter
		Me.Command4.Text = "(大写)发送"
		Me.Command4.Size = New System.Drawing.Size(89, 25)
		Me.Command4.Location = New System.Drawing.Point(152, 136)
		Me.Command4.TabIndex = 7
		Me.Command4.BackColor = System.Drawing.SystemColors.Control
		Me.Command4.CausesValidation = True
		Me.Command4.Enabled = True
		Me.Command4.ForeColor = System.Drawing.SystemColors.ControlText
		Me.Command4.Cursor = System.Windows.Forms.Cursors.Default
		Me.Command4.RightToLeft = System.Windows.Forms.RightToLeft.No
		Me.Command4.TabStop = True
		Me.Command4.Name = "Command4"
		Me.Command3.TextAlign = System.Drawing.ContentAlignment.MiddleCenter
		Me.Command3.Text = "退出"
		Me.Command3.Size = New System.Drawing.Size(49, 25)
		Me.Command3.Location = New System.Drawing.Point(248, 136)
		Me.Command3.TabIndex = 6
		Me.Command3.BackColor = System.Drawing.SystemColors.Control
		Me.Command3.CausesValidation = True
		Me.Command3.Enabled = True
		Me.Command3.ForeColor = System.Drawing.SystemColors.ControlText
		Me.Command3.Cursor = System.Windows.Forms.Cursors.Default
		Me.Command3.RightToLeft = System.Windows.Forms.RightToLeft.No
		Me.Command3.TabStop = True
		Me.Command3.Name = "Command3"
		Me.Command2.TextAlign = System.Drawing.ContentAlignment.MiddleCenter
		Me.Command2.Text = "(小写)发送"
		Me.Command2.Size = New System.Drawing.Size(81, 25)
		Me.Command2.Location = New System.Drawing.Point(64, 136)
		Me.Command2.TabIndex = 5
		Me.Command2.BackColor = System.Drawing.SystemColors.Control
		Me.Command2.CausesValidation = True
		Me.Command2.Enabled = True
		Me.Command2.ForeColor = System.Drawing.SystemColors.ControlText
		Me.Command2.Cursor = System.Windows.Forms.Cursors.Default
		Me.Command2.RightToLeft = System.Windows.Forms.RightToLeft.No
		Me.Command2.TabStop = True
		Me.Command2.Name = "Command2"
		Me.Command1.TextAlign = System.Drawing.ContentAlignment.MiddleCenter
		Me.Command1.Text = "输入"
		Me.Command1.Size = New System.Drawing.Size(49, 25)
		Me.Command1.Location = New System.Drawing.Point(8, 136)
		Me.Command1.TabIndex = 4
		Me.Command1.BackColor = System.Drawing.SystemColors.Control
		Me.Command1.CausesValidation = True
		Me.Command1.Enabled = True
		Me.Command1.ForeColor = System.Drawing.SystemColors.ControlText
		Me.Command1.Cursor = System.Windows.Forms.Cursors.Default
		Me.Command1.RightToLeft = System.Windows.Forms.RightToLeft.No
		Me.Command1.TabStop = True
		Me.Command1.Name = "Command1"
		Me.Text2.AutoSize = False
		Me.Text2.Size = New System.Drawing.Size(137, 105)
		Me.Text2.Location = New System.Drawing.Point(160, 16)
		Me.Text2.MultiLine = True
		Me.Text2.ScrollBars = System.Windows.Forms.ScrollBars.Both
		Me.Text2.WordWrap = False
		Me.Text2.TabIndex = 1
		Me.Text2.AcceptsReturn = True
		Me.Text2.TextAlign = System.Windows.Forms.HorizontalAlignment.Left
		Me.Text2.BackColor = System.Drawing.SystemColors.Window
		Me.Text2.CausesValidation = True
		Me.Text2.Enabled = True
		Me.Text2.ForeColor = System.Drawing.SystemColors.WindowText
		Me.Text2.HideSelection = True
		Me.Text2.ReadOnly = False
		Me.Text2.Maxlength = 0
		Me.Text2.Cursor = System.Windows.Forms.Cursors.IBeam
		Me.Text2.RightToLeft = System.Windows.Forms.RightToLeft.No
		Me.Text2.TabStop = True
		Me.Text2.Visible = True
		Me.Text2.BorderStyle = System.Windows.Forms.BorderStyle.Fixed3D
		Me.Text2.Name = "Text2"
		Me.Text1.AutoSize = False
		Me.Text1.Size = New System.Drawing.Size(153, 105)
		Me.Text1.Location = New System.Drawing.Point(0, 16)
		Me.Text1.MultiLine = True
		Me.Text1.ScrollBars = System.Windows.Forms.ScrollBars.Both
		Me.Text1.WordWrap = False
		Me.Text1.TabIndex = 0
		Me.Text1.AcceptsReturn = True
		Me.Text1.TextAlign = System.Windows.Forms.HorizontalAlignment.Left
		Me.Text1.BackColor = System.Drawing.SystemColors.Window
		Me.Text1.CausesValidation = True
		Me.Text1.Enabled = True
		Me.Text1.ForeColor = System.Drawing.SystemColors.WindowText
		Me.Text1.HideSelection = True
		Me.Text1.ReadOnly = False
		Me.Text1.Maxlength = 0
		Me.Text1.Cursor = System.Windows.Forms.Cursors.IBeam
		Me.Text1.RightToLeft = System.Windows.Forms.RightToLeft.No
		Me.Text1.TabStop = True
		Me.Text1.Visible = True
		Me.Text1.BorderStyle = System.Windows.Forms.BorderStyle.Fixed3D
		Me.Text1.Name = "Text1"
		Me.Label2.Text = "to"
		Me.Label2.Size = New System.Drawing.Size(49, 17)
		Me.Label2.Location = New System.Drawing.Point(160, 0)
		Me.Label2.TabIndex = 3
		Me.Label2.TextAlign = System.Drawing.ContentAlignment.TopLeft
		Me.Label2.BackColor = System.Drawing.SystemColors.Control
		Me.Label2.Enabled = True
		Me.Label2.ForeColor = System.Drawing.SystemColors.ControlText
		Me.Label2.Cursor = System.Windows.Forms.Cursors.Default
		Me.Label2.RightToLeft = System.Windows.Forms.RightToLeft.No
		Me.Label2.UseMnemonic = True
		Me.Label2.Visible = True
		Me.Label2.AutoSize = False
		Me.Label2.BorderStyle = System.Windows.Forms.BorderStyle.None
		Me.Label2.Name = "Label2"
		Me.Label1.Text = "from"
		Me.Label1.Size = New System.Drawing.Size(49, 17)
		Me.Label1.Location = New System.Drawing.Point(8, 0)
		Me.Label1.TabIndex = 2
		Me.Label1.TextAlign = System.Drawing.ContentAlignment.TopLeft
		Me.Label1.BackColor = System.Drawing.SystemColors.Control
		Me.Label1.Enabled = True
		Me.Label1.ForeColor = System.Drawing.SystemColors.ControlText
		Me.Label1.Cursor = System.Windows.Forms.Cursors.Default
		Me.Label1.RightToLeft = System.Windows.Forms.RightToLeft.No
		Me.Label1.UseMnemonic = True
		Me.Label1.Visible = True
		Me.Label1.AutoSize = False
		Me.Label1.BorderStyle = System.Windows.Forms.BorderStyle.None
		Me.Label1.Name = "Label1"
		Me.Controls.Add(Command4)
		Me.Controls.Add(Command3)
		Me.Controls.Add(Command2)
		Me.Controls.Add(Command1)
		Me.Controls.Add(Text2)
		Me.Controls.Add(Text1)
		Me.Controls.Add(Label2)
		Me.Controls.Add(Label1)
	End Sub
#End Region 
#Region "升级支持"
	Private Shared m_vb6FormDefInstance As Form1
	Private Shared m_InitializingDefInstance As Boolean
	Public Shared Property DefInstance() As Form1
		Get
			If m_vb6FormDefInstance Is Nothing OrElse m_vb6FormDefInstance.IsDisposed Then
				m_InitializingDefInstance = True
				m_vb6FormDefInstance = New Form1()
				m_InitializingDefInstance = False
			End If
			DefInstance = m_vb6FormDefInstance
		End Get
		Set
			m_vb6FormDefInstance = Value
		End Set
	End Property
#End Region 
	Private Sub Command1_Click(ByVal eventSender As System.Object, ByVal eventArgs As System.EventArgs) Handles Command1.Click
		Text1.Text = "No pain No Gain"
	End Sub
	
	
	Private Sub Command2_Click(ByVal eventSender As System.Object, ByVal eventArgs As System.EventArgs) Handles Command2.Click
		Text2.Text = "" '??3yé?′???ê3/4
		Text2.Text = LCase(Text1.Text) 'ó?D?D′μ???ê1/2??ê3/4??±3/4。
	End Sub
	
	Private Sub Command3_Click(ByVal eventSender As System.Object, ByVal eventArgs As System.EventArgs) Handles Command3.Click
		End
	End Sub
	
	Private Sub Command4_Click(ByVal eventSender As System.Object, ByVal eventArgs As System.EventArgs) Handles Command4.Click
		Text2.Text = "" '??3yé?′???ê3/4
		Text2.Text = UCase(Text1.Text) ' ó?′óD′μ???ê1/2??ê3/4??±3/4。
	End Sub
End Class