本文整理汇总了VB.NET中System.ComponentModel.Design.IHelpService接口的典型用法代码示例。如果您正苦于以下问题：VB.NET IHelpService接口的具体用法？VB.NET IHelpService怎么用？VB.NET IHelpService使用的例子？那么恭喜您, 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IHelpService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: New
' 导入命名空间
Imports System.ComponentModel
Imports System.ComponentModel.Design
Imports System.Drawing
Imports System.IO
Imports System.Windows.Forms
Imports System.Windows.Forms.Design
Namespace IHelpServiceSample
Public Class HelpDesigner
Inherits System.Windows.Forms.Design.ControlDesigner
Public Sub New()
End Sub
Public Overrides ReadOnly Property Verbs() As System.ComponentModel.Design.DesignerVerbCollection
Get
Return New DesignerVerbCollection(New DesignerVerb() {New DesignerVerb("Add IHelpService Help Keyword", AddressOf Me.addKeyword), New DesignerVerb("Remove IHelpService Help Keyword", AddressOf Me.removeKeyword)})
End Get
End Property
Private Sub addKeyword(ByVal sender As Object, ByVal e As EventArgs)
Dim hs As IHelpService = CType(Me.Control.Site.GetService(GetType(IHelpService)), IHelpService)
hs.AddContextAttribute("keyword", "IHelpService", HelpKeywordType.F1Keyword)
End Sub
Private Sub removeKeyword(ByVal sender As Object, ByVal e As EventArgs)
Dim hs As IHelpService = CType(Me.Control.Site.GetService(GetType(IHelpService)), IHelpService)
hs.RemoveContextAttribute("keyword", "IHelpService")
End Sub
End Class
<Designer(GetType(HelpDesigner))> _
Public Class HelpTestControl
Inherits System.Windows.Forms.UserControl
Public Sub New()
Me.Size = New Size(320, 100)
Me.BackColor = Color.White
End Sub
Protected Overrides Sub OnPaint(ByVal e As System.Windows.Forms.PaintEventArgs)
Dim brush As New SolidBrush(Color.Blue)
e.Graphics.DrawString("IHelpService Example Designer Control", New Font(FontFamily.GenericMonospace, 10), brush, 5, 5)
e.Graphics.DrawString("Right-click this component for", New Font(FontFamily.GenericMonospace, 8), brush, 5, 25)
e.Graphics.DrawString("add/remove Help context keyword commands.", New Font(FontFamily.GenericMonospace, 8), brush, 5, 35)
e.Graphics.DrawString("Press F1 while this component is", New Font(FontFamily.GenericMonospace, 8), brush, 5, 55)
e.Graphics.DrawString("selected to raise Help topics for", New Font(FontFamily.GenericMonospace, 8), brush, 5, 65)
e.Graphics.DrawString("the current keyword or keywords", New Font(FontFamily.GenericMonospace, 8), brush, 5, 75)
End Sub
End Class
End Namespace 'IHelpServiceSample