本文整理汇总了VB.NET中System.Workflow.ComponentModel.Design.WorkflowMenuCommands.Enable字段的典型用法代码示例。如果您正苦于以下问题：VB.NET WorkflowMenuCommands.Enable字段的具体用法？VB.NET WorkflowMenuCommands.Enable怎么用？VB.NET WorkflowMenuCommands.Enable使用的例子？那么, 这里精选的字段代码示例或许可以为您提供帮助。您也可以进一步了解该字段所在类System.Workflow.ComponentModel.Design.WorkflowMenuCommands的用法示例。
在下文中一共展示了WorkflowMenuCommands.Enable字段的2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
Friend NotInheritable Class WorkflowMenuCommandService
Inherits MenuCommandService
Public Sub New(ByVal serviceProvider As IServiceProvider)
MyBase.new(serviceProvider)
End Sub
Public Overrides Sub ShowContextMenu(ByVal menuID As CommandID, ByVal x As Integer, ByVal y As Integer)
If menuID.ID = WorkflowMenuCommands.SelectionMenu.ID Then
Dim contextMenu As New ContextMenu()
For Each verb As DesignerVerb In Verbs
Dim MenuItem As New MenuItem(verb.Text, AddressOf OnMenuClicked)
MenuItem.Tag = verb
contextMenu.MenuItems.Add(MenuItem)
Next
Dim items As MenuItem() = GetSelectionMenuItems()
If (items.Length > 0) Then
contextMenu.MenuItems.Add(New MenuItem("-"))
For Each item As MenuItem In items
contextMenu.MenuItems.Add(item)
Next
Dim workflowView As WorkflowView = CType(GetService(GetType(WorkflowView)), WorkflowView)
If workflowView Is Nothing Then
contextMenu.Show(workflowView, workflowView.PointToClient(New Point(x, y)))
End If
End If
End If
End Sub
Private Function GetSelectionMenuItems() As MenuItem()
Dim menuItems As New List(Of MenuItem)()
Dim addMenuItems As Boolean = True
Dim selectionService As ISelectionService = CType(GetService(GetType(ISelectionService)), ISelectionService)
If selectionService IsNot Nothing Then
For Each obj As Object In selectionService.GetSelectedComponents()
If Not TypeOf obj Is Activity Then
addMenuItems = False
Exit For
End If
Next
End If
If (addMenuItems) Then
Dim selectionCommands As New Dictionary(Of CommandID, String)()
selectionCommands.Add(WorkflowMenuCommands.Cut, "Cut")
selectionCommands.Add(WorkflowMenuCommands.Copy, "Copy")
selectionCommands.Add(WorkflowMenuCommands.Paste, "Paste")
selectionCommands.Add(WorkflowMenuCommands.Delete, "Delete")
selectionCommands.Add(WorkflowMenuCommands.Collapse, "Collapse")
selectionCommands.Add(WorkflowMenuCommands.Expand, "Expand")
selectionCommands.Add(WorkflowMenuCommands.Disable, "Disable")
selectionCommands.Add(WorkflowMenuCommands.Enable, "Enable")
For Each id As CommandID In selectionCommands.Keys
Dim command As MenuCommand = FindCommand(id)
If command IsNot Nothing Then
Dim menuItem As New MenuItem(selectionCommands(id), AddressOf OnMenuClicked)
menuItem.Tag = command
menuItems.Add(menuItem)
End If
Next
End If
Return menuItems.ToArray()
End Function
Private Sub OnMenuClicked(ByVal sender As Object, ByVal e As EventArgs)
Dim menuItem As MenuItem = CType(sender, MenuItem)
If menuItem IsNot Nothing And TypeOf menuItem.Tag Is MenuCommand Then
Dim command As MenuCommand = CType(menuItem.Tag, MenuCommand)
command.Invoke()
End If
End Sub
End Class示例2: Initialize
Protected Overrides Sub Initialize()
MyBase.Initialize()
Dim host As IDesignerLoaderHost = Me.LoaderHost
If host IsNot Nothing Then
host.RemoveService(GetType(IIdentifierCreationService))
host.AddService(GetType(IIdentifierCreationService), New IdentifierCreationService(host))
host.AddService(GetType(IMenuCommandService), New WorkflowMenuCommandService(host))
host.AddService(GetType(IToolboxService), New Toolbox(host))
Dim typeProvider As New TypeProvider(host)
typeProvider.AddAssemblyReference(GetType(String).Assembly.Location)
host.AddService(GetType(ITypeProvider), typeProvider, True)
host.AddService(GetType(IEventBindingService), New EventBindingService())
End If
End Sub