本文整理汇总了VB.NET中System.ComponentModel.Design.IExtenderProviderService接口的典型用法代码示例。如果您正苦于以下问题：VB.NET IExtenderProviderService接口的具体用法？VB.NET IExtenderProviderService怎么用？VB.NET IExtenderProviderService使用的例子？那么, 这里精选的接口代码示例或许可以为您提供帮助。
在下文中一共展示了IExtenderProviderService接口的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: ExtenderServiceDesigner
' 导入命名空间
Imports System.Collections
Imports System.ComponentModel
Imports System.ComponentModel.Design
Imports System.Windows.Forms
Imports System.Windows.Forms.Design
' This designer adds a ComponentExtender extender provider,
' and removes it when the designer is destroyed.
Public Class ExtenderServiceDesigner
Inherits System.Windows.Forms.Design.ControlDesigner
' A local reference to an obtained IExtenderProviderService.
Private localExtenderServiceReference As IExtenderProviderService
' An IExtenderProvider that this designer supplies.
Private extender As ComponentExtender
Public Sub New()
End Sub
Public Overrides Sub Initialize(ByVal component As System.ComponentModel.IComponent)
MyBase.Initialize(component)
' Attempts to obtain an IExtenderProviderService.
Dim extenderService As IExtenderProviderService = CType(component.Site.GetService(GetType(IExtenderProviderService)), IExtenderProviderService)
If (extenderService IsNot Nothing) Then
' If the service was obtained, adds a ComponentExtender
' that adds an "ExtenderIndex" integer property to the
' designer's component.
extender = New ComponentExtender()
extenderService.AddExtenderProvider(extender)
localExtenderServiceReference = extenderService
Else
MessageBox.Show("Could not obtain an IExtenderProviderService.")
End If
End Sub
Protected Overloads Overrides Sub Dispose(ByVal disposing As Boolean)
' Removes any previously added extender provider.
If (localExtenderServiceReference IsNot Nothing) Then
localExtenderServiceReference.RemoveExtenderProvider(extender)
localExtenderServiceReference = Nothing
End If
End Sub
End Class
' IExtenderProviderImplementation that adds an integer property
' named "ExtenderIndex" to any design-mode document object.
<ProvidePropertyAttribute("ExtenderIndex", GetType(IComponent))> _
Public Class ComponentExtender
Implements System.ComponentModel.IExtenderProvider
' Stores the value of the property to extend a component with.
Public index As Integer = 0
Public Sub New()
End Sub
' Extends any type of object.
Public Function CanExtend(ByVal extendee As Object) As Boolean Implements IExtenderProvider.CanExtend
Return True
End Function
Public Function GetExtenderIndex(ByVal component As IComponent) As Integer
Return index
End Function
Public Sub SetExtenderIndex(ByVal component As IComponent, ByVal index As Integer)
Me.index = index
End Sub
End Class
' Example UserControl associated with the ExtenderServiceDesigner.
<DesignerAttribute(GetType(ExtenderServiceDesigner))> _
Public Class ExtenderServiceTestControl
Inherits System.Windows.Forms.UserControl
Public Sub New()
End Sub
End Class