本文整理匯總了VB.NET中System.ComponentModel.Design.IHelpService接口的典型用法代碼示例。如果您正苦於以下問題：VB.NET IHelpService接口的具體用法？VB.NET IHelpService怎麽用？VB.NET IHelpService使用的例子？那麽, 這裏精選的接口代碼示例或許可以為您提供幫助。
在下文中一共展示了IHelpService接口的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.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