' Computes a week one month from today.
Private Sub ShowAWeeksVacationOneMonthFromToday()
    Dim today As Date = monthCalendar1.TodayDate
    Dim vacationStart = today.AddMonths(1)
    Dim vacationEnd = vacationStart.AddDays(7)

    Me.monthCalendar1.SelectionStart = vacationStart.AddDays(-1)
    Me.monthCalendar1.SelectionEnd = vacationEnd.AddDays(-1)
End Sub

' 导入命名空间
Imports System
Imports System.Data
Imports System.Windows.Forms
Imports System.Drawing
Imports  System.Diagnostics 
Public Class MainClass
    
    Shared Sub Main()
       Dim form1 As Form = New Form1
       Application.Run(form1)    
    End Sub
End Class

Public Class Form1

    Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
        ' Set today's date to 4/22/2006.
        calReservation.TodayDate = New Date(2006, 4, 22)
        
    End Sub

End Class



<Global.Microsoft.VisualBasic.CompilerServices.DesignerGenerated()> _
Partial Public Class Form1
    Inherits System.Windows.Forms.Form

    'Form overrides dispose to clean up the component list.
    <System.Diagnostics.DebuggerNonUserCode()> _
    Protected Overloads Overrides Sub Dispose(ByVal disposing As Boolean)
        If disposing AndAlso components IsNot Nothing Then
            components.Dispose()
        End If
        MyBase.Dispose(disposing)
    End Sub

    'Required by the Windows Form Designer
    Private components As System.ComponentModel.IContainer

    'NOTE: The following procedure is required by the Windows Form Designer
    'It can be modified using the Windows Form Designer.  
    'Do not modify it using the code editor.
    <System.Diagnostics.DebuggerStepThrough()> _
    Private Sub InitializeComponent()
        Me.calReservation = New System.Windows.Forms.MonthCalendar
        Me.SuspendLayout()
        '
        'calReservation
        '
        Me.calReservation.Anchor = CType((((System.Windows.Forms.AnchorStyles.Top Or System.Windows.Forms.AnchorStyles.Bottom) _
                    Or System.Windows.Forms.AnchorStyles.Left) _
                    Or System.Windows.Forms.AnchorStyles.Right), System.Windows.Forms.AnchorStyles)
        Me.calReservation.Location = New System.Drawing.Point(8, 8)
        Me.calReservation.Name = "calReservation"
        Me.calReservation.Size = New System.Drawing.Size(178, 155)
        Me.calReservation.TabIndex = 0
        '
        'Form1
        '
        Me.AutoScaleDimensions = New System.Drawing.SizeF(6.0!, 13.0!)
        Me.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font
        Me.ClientSize = New System.Drawing.Size(272, 174)
        Me.Controls.Add(Me.calReservation)
        Me.Name = "Form1"
        Me.Text = "UseMonthCalendar"
        Me.ResumeLayout(False)

    End Sub
    Friend WithEvents calReservation As System.Windows.Forms.MonthCalendar

End Class