本文整理汇总了VB.NET中System.Reflection.PropertyAttributes枚举的典型用法代码示例。如果您正苦于以下问题:VB.NET PropertyAttributes枚举的具体用法?VB.NET PropertyAttributes怎么用?VB.NET PropertyAttributes使用的例子?那么恭喜您, 这里精选的枚举代码示例或许可以为您提供帮助。
在下文中一共展示了PropertyAttributes枚举的1个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的VB.NET代码示例。
示例1: Aproperty
' 导入命名空间
Imports System.Reflection
' Make three properties, one read-write, one default,
' and one read-only.
Public Class Aproperty
' Define a read-write property.
Private myCaption As String = "A Default caption"
Public Property Caption() As String
Get
Return myCaption
End Get
Set(ByVal Value As String)
If myCaption <> value Then
myCaption = value
End If
End Set
End Property
End Class
Public Class Bproperty
' Define a default property.
Private myCaption As String = "B Default caption"
Default Public ReadOnly Property Item(ByVal index As Integer) As String
Get
Return "1"
End Get
End Property
Public Property Caption() As String
Get
Return myCaption
End Get
Set(ByVal Value As String)
If myCaption <> value Then
myCaption = value
End If
End Set
End Property
End Class
Public Class Cproperty
' Define a read-only property.
Private myCaption As String = "C Default caption"
Public ReadOnly Property Caption() As String
Get
Return myCaption
End Get
'No setting is allowed because this property is read-only.
End Property
End Class
Class propertyattributesenum
Public Shared Function Main() As Integer
Console.WriteLine(ControlChars.CrLf & "Reflection.PropertyAttributes")
' Determine whether a property exists, and change its value.
Dim Mypropertya As New Aproperty()
Dim Mypropertyb As New Bproperty()
Dim Mypropertyc As New Cproperty()
Console.Write(ControlChars.CrLf & "1. Mypropertya.Caption = " & _
Mypropertya.Caption)
Console.Write(ControlChars.CrLf & "1. Mypropertyb.Caption = " & _
Mypropertyb.Caption)
Console.Write(ControlChars.CrLf & "1. Mypropertyc.Caption = " & _
Mypropertyc.Caption)
' Only Mypropertya can be changed because Mypropertyb is read-only.
Mypropertya.Caption = "A- This is changed."
Mypropertyb.Caption = "B- This is changed."
' Note that Mypropertyc is not changed, because it is read-only.
Console.Write(ControlChars.CrLf & ControlChars.CrLf & _
"2. Mypropertya.Caption = " & Mypropertya.Caption)
Console.Write(ControlChars.CrLf & "2. Mypropertyb.Caption = " & _
Mypropertyb.Caption)
Console.Write(ControlChars.CrLf + "2. Mypropertyc.Caption = " & _
Mypropertyc.Caption)
' Get the PropertyAttributes Enumeration of the property.
' Get the type.
Dim MyTypea As Type = Type.GetType("Aproperty")
Dim MyTypeb As Type = Type.GetType("Bproperty")
Dim MyTypec As Type = Type.GetType("Cproperty")
' Get the property attributes.
Dim Mypropertyinfoa As PropertyInfo = MyTypea.GetProperty("Caption")
Dim Myattributesa As PropertyAttributes = Mypropertyinfoa.Attributes
Dim Mypropertyinfob As PropertyInfo = MyTypeb.GetProperty("Item")
Dim Myattributesb As PropertyAttributes = Mypropertyinfob.Attributes
Dim Mypropertyinfoc As PropertyInfo = MyTypec.GetProperty("Caption")
Dim Myattributesc As PropertyAttributes = Mypropertyinfoc.Attributes
' Display the property attributes value.
Console.Write(ControlChars.CrLf & ControlChars.CrLf & "a- " & _
Myattributesa.ToString())
Console.Write(ControlChars.CrLf & "b- " & Myattributesb.ToString())
Console.Write(ControlChars.CrLf & "c- " & Myattributesc.ToString())
Return 0
End Function' End Function
End Class
' This example displays the following output to the console
'
' Reflection.PropertyAttributes
'
' 1. Mypropertya.Caption = A Default caption
' 1. Mypropertyb.Caption = B Default caption
' 1. Mypropertyc.Caption = C Default caption
'
' 2. Mypropertya.Caption = A- This is changed.
' 2. Mypropertyb.Caption = B- This is changed.
' 2. Mypropertyc.Caption = C Default caption
'
' a- None
' b- None
' c- None