VB.NET PropertyGrid.CommandsVisibleIfAvailable属性代码示例

' 导入命名空间
Imports System.ComponentModel
Imports System.Windows.Forms

public class PropertyGridDemo
   public Shared Sub Main
        Application.Run(New Form1)
   End Sub
End class



Public Class Form1

    Private m_Employee As Employee

    Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
        m_Employee = New Employee("R", "S", 4, "A", 6, 4,"6789", 1)

        PropertyGrid1.CommandsVisibleIfAvailable = True
        PropertyGrid1.Text = "Employee"
        PropertyGrid1.SelectedObject = m_Employee
    End Sub
End Class

Public Class Employee
    Private m_FirstName As String
    Private m_LastName As String
    Private m_EmployeeId As Integer
    Private m_Department As String
    Private m_Office As Integer
    Private m_Extension As Integer
    Private m_SocialSecurityNumber As String
    Private m_Salary As Integer

    <Description("Extension"), Category("Contact Information")> _
    Public Property Extension() As Integer
        Get
            Return m_Extension
        End Get
        Set(ByVal value As Integer)
            m_Extension = value
        End Set
    End Property

    <Description("Office number"), Category("Contact Information")> _
    Public Property Office() As Integer
        Get
            Return m_Office
        End Get
        Set(ByVal value As Integer)
            m_Office = value
        End Set
    End Property

    <Description("Department"), Category("Organization")> _
    Public Property Department() As String
        Get
            Return m_Department
        End Get
        Set(ByVal value As String)
            m_Department = value
        End Set
    End Property

    <Description("ID"), Category("Personnel")> _
    Public Property EmployeeId() As Integer
        Get
            Return m_EmployeeId
        End Get
        Set(ByVal value As Integer)
            m_EmployeeId = value
        End Set
    End Property

    <Description("First name"), Category("Personnel")> _
    Public Property FirstName() As String
        Get
            Return m_FirstName
        End Get
        Set(ByVal value As String)
            m_FirstName = value
        End Set
    End Property

    <Description("Last name"), Category("Personnel")> _
    Public Property LastName() As String
        Get
            Return m_LastName
        End Get
        Set(ByVal value As String)
            m_LastName = value
        End Set
    End Property

    <Description("Social Security number"), Category("Personnel")> _
    Public Property SocialSecurityNumber() As String
        Get
            Return m_SocialSecurityNumber
        End Get
        Set(ByVal value As String)
            m_SocialSecurityNumber = value
        End Set
    End Property

    <Description("Annual salary"), Category("Personnel")> _
    Public Property Salary() As Integer
        Get
            Return m_Salary
        End Get
        Set(ByVal value As Integer)
            m_Salary = value
        End Set
    End Property

    Public Sub New(ByVal first_name As String, ByVal last_name As String, ByVal employee_id As Integer, ByVal new_department As String, ByVal new_office As Integer, ByVal new_extension As Integer, ByVal social_security_number As String, ByVal new_salary As Integer)
        m_FirstName = first_name
        m_LastName = last_name
        m_EmployeeId = employee_id
        m_Department = new_department
        m_Office = new_office
        m_Extension = new_extension
        m_SocialSecurityNumber = social_security_number
        m_Salary = new_salary
    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 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.PropertyGrid1 = New System.Windows.Forms.PropertyGrid
        Me.SuspendLayout()
        '
        'PropertyGrid1
        '
        Me.PropertyGrid1.Dock = System.Windows.Forms.DockStyle.Fill
        Me.PropertyGrid1.Location = New System.Drawing.Point(0, 0)
        Me.PropertyGrid1.Name = "PropertyGrid1"
        Me.PropertyGrid1.Size = New System.Drawing.Size(292, 273)
        Me.PropertyGrid1.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(292, 273)
        Me.Controls.Add(Me.PropertyGrid1)
        Me.Name = "Form1"
        Me.Text = "Employee"
        Me.ResumeLayout(False)

    End Sub
    Friend WithEvents PropertyGrid1 As System.Windows.Forms.PropertyGrid

End Class