本文整理汇总了VB.NET中System.Workflow.ComponentModel.Design.WorkflowDesignerMessageFilter.OnKeyDown方法的典型用法代码示例。如果您正苦于以下问题：VB.NET WorkflowDesignerMessageFilter.OnKeyDown方法的具体用法？VB.NET WorkflowDesignerMessageFilter.OnKeyDown怎么用？VB.NET WorkflowDesignerMessageFilter.OnKeyDown使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类System.Workflow.ComponentModel.Design.WorkflowDesignerMessageFilter的用法示例。
在下文中一共展示了WorkflowDesignerMessageFilter.OnKeyDown方法的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: OnKeyDown
Protected Overrides Function OnKeyDown(ByVal eventArgs As KeyEventArgs) As Boolean
If eventArgs.KeyCode = Keys.Delete Then
Dim selectionService As ISelectionService = CType(serviceProvider.GetService(GetType(ISelectionService)), ISelectionService)
If selectionService IsNot Nothing AndAlso TypeOf selectionService.PrimarySelection Is CodeActivity Then
Dim codeActivityComponent As CodeActivity = CType(selectionService.PrimarySelection, CodeActivity)
Dim parentActivity As CompositeActivity = codeActivityComponent.Parent
If parentActivity IsNot Nothing Then
parentActivity.Activities.Remove(codeActivityComponent)
Me.ParentView.Update()
End If
loader.RemoveActivityFromDesigner(codeActivityComponent)
End If
End If
Return True
End Function开发者ID:VB.NET开发者，项目名称:System.Workflow.ComponentModel.Design，代码行数:15，代码来源:WorkflowDesignerMessageFilter.OnKeyDown