本文整理匯總了VB.NET中System.ComponentModel.NotifyParentPropertyAttribute類的典型用法代碼示例。如果您正苦於以下問題:VB.NET NotifyParentPropertyAttribute類的具體用法?VB.NET NotifyParentPropertyAttribute怎麽用?VB.NET NotifyParentPropertyAttribute使用的例子?那麽, 這裏精選的類代碼示例或許可以為您提供幫助。
在下文中一共展示了NotifyParentPropertyAttribute類的1個代碼示例,這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚,您的評價將有助於係統推薦出更棒的VB.NET代碼示例。
示例1: New
' 導入命名空間
Imports System.ComponentModel
Imports System.Drawing
Imports System.Globalization
Imports System.Windows.Forms
Public Class DemoControl
Inherits UserControl
Private borderAppearanceValue As New BorderAppearance()
Private components As System.ComponentModel.IContainer = Nothing
Public Sub New()
InitializeComponent()
End Sub
Protected Overrides Sub Dispose(ByVal disposing As Boolean)
If disposing AndAlso (components IsNot Nothing) Then
components.Dispose()
End If
MyBase.Dispose(disposing)
End Sub
<Browsable(True), _
EditorBrowsable(EditorBrowsableState.Always), _
Category("Demo"), _
DesignerSerializationVisibility(DesignerSerializationVisibility.Content)> _
Public Property Border() As BorderAppearance
Get
Return Me.borderAppearanceValue
End Get
Set(ByVal value As BorderAppearance)
Me.borderAppearanceValue = value
End Set
End Property
Private Sub InitializeComponent()
components = New System.ComponentModel.Container()
Me.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font
End Sub
End Class
<TypeConverter(GetType(BorderAppearanceConverter))> _
Public Class BorderAppearance
Private borderSizeValue As Integer = 1
Private borderColorValue As Color = Color.Empty
<Browsable(True), NotifyParentProperty(True), EditorBrowsable(EditorBrowsableState.Always), DefaultValue(1)> _
Public Property BorderSize() As Integer
Get
Return borderSizeValue
End Get
Set
If value < 0 Then
Throw New ArgumentOutOfRangeException("BorderSize", value, "must be >= 0")
End If
If borderSizeValue <> value Then
borderSizeValue = value
End If
End Set
End Property
<Browsable(True), NotifyParentProperty(True), EditorBrowsable(EditorBrowsableState.Always), DefaultValue(GetType(Color), "")> _
Public Property BorderColor() As Color
Get
Return borderColorValue
End Get
Set
If value.Equals(Color.Transparent) Then
Throw New NotSupportedException("Transparent colors are not supported.")
End If
If borderColorValue <> value Then
borderColorValue = value
End If
End Set
End Property
End Class
Public Class BorderAppearanceConverter
Inherits ExpandableObjectConverter
' This override prevents the PropertyGrid from
' displaying the full type name in the value cell.
Public Overrides Function ConvertTo(ByVal context As ITypeDescriptorContext, ByVal culture As CultureInfo, ByVal value As Object, ByVal destinationType As Type) As Object
If destinationType Is GetType(String) Then
Return ""
End If
Return MyBase.ConvertTo(context, culture, value, destinationType)
End Function
End Class