本文整理汇总了VB.NET中System.Drawing.Design.CategoryNameCollection类的典型用法代码示例。如果您正苦于以下问题：VB.NET CategoryNameCollection类的具体用法？VB.NET CategoryNameCollection怎么用？VB.NET CategoryNameCollection使用的例子？那么恭喜您, 这里精选的类代码示例或许可以为您提供帮助。
在下文中一共展示了CategoryNameCollection类的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: ToolboxCategoryNamesControl
' 导入命名空间
Imports System.Collections
Imports System.ComponentModel
Imports System.ComponentModel.Design
Imports System.Drawing
Imports System.Drawing.Design
Imports System.Data
Imports System.Windows.Forms
<System.Security.Permissions.PermissionSetAttribute(System.Security.Permissions.SecurityAction.Demand, Name:="FullTrust")> _
Public Class ToolboxCategoryNamesControl
Inherits System.Windows.Forms.UserControl
Private toolboxService As System.Drawing.Design.IToolboxService
Private categoryNames As System.Drawing.Design.CategoryNameCollection
Public Sub New()
Me.BackColor = System.Drawing.Color.Beige
Me.Name = "Category Names Display Control"
Me.Size = New System.Drawing.Size(264, 200)
End Sub
' Obtain or reset IToolboxService reference on each siting of control.
Public Overrides Property Site() As System.ComponentModel.ISite
Get
Return MyBase.Site
End Get
Set(ByVal Value As System.ComponentModel.ISite)
MyBase.Site = Value
' If the component was sited, attempt to obtain
' an IToolboxService instance.
If (MyBase.Site IsNot Nothing) Then
toolboxService = CType(Me.GetService(GetType(IToolboxService)), IToolboxService)
' If an IToolboxService was located, update the category list.
If (toolboxService IsNot Nothing) Then
categoryNames = toolboxService.CategoryNames
End If
Else
toolboxService = Nothing
End If
End Set
End Property
Protected Overrides Sub OnPaint(ByVal e As System.Windows.Forms.PaintEventArgs)
If (categoryNames IsNot Nothing) Then
e.Graphics.DrawString("IToolboxService category names list:", New Font("Arial", 9), Brushes.Black, 10, 10)
' categoryNames is a CategoryNameCollection obtained from
' the IToolboxService. CategoryNameCollection is a read-only
' string collection.
' Output each category name in the CategoryNameCollection.
Dim i As Integer
For i = 0 To categoryNames.Count - 1
e.Graphics.DrawString(categoryNames(i), New Font("Arial", 8), Brushes.Black, 10, 24 + 10 * i)
Next i
End If
End Sub
End Class