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VB.NET WorkflowDesignerMessageFilter.OnKeyDown方法代碼示例

本文整理匯總了VB.NET中System.Workflow.ComponentModel.Design.WorkflowDesignerMessageFilter.OnKeyDown方法的典型用法代碼示例。如果您正苦於以下問題:VB.NET WorkflowDesignerMessageFilter.OnKeyDown方法的具體用法?VB.NET WorkflowDesignerMessageFilter.OnKeyDown怎麽用?VB.NET WorkflowDesignerMessageFilter.OnKeyDown使用的例子?那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在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: 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
開發者ID:VB.NET開發者,項目名稱:System.Workflow.ComponentModel.Design,代碼行數:15,代碼來源:WorkflowDesignerMessageFilter.OnKeyDown


注:本文中的System.Workflow.ComponentModel.Design.WorkflowDesignerMessageFilter.OnKeyDown方法示例由純淨天空整理自Github/MSDocs等開源代碼及文檔管理平台,相關代碼片段篩選自各路編程大神貢獻的開源項目,源碼版權歸原作者所有,傳播和使用請參考對應項目的License;未經允許,請勿轉載。