當前位置: 首頁>>代碼示例>>VB.NET>>正文


VB.NET SelectionChangedEventArgs構造函數代碼示例

本文整理匯總了VB.NET中System.Windows.Controls.SelectionChangedEventArgs.SelectionChangedEventArgs構造函數的典型用法代碼示例。如果您正苦於以下問題:VB.NET SelectionChangedEventArgs構造函數的具體用法?VB.NET SelectionChangedEventArgs怎麽用?VB.NET SelectionChangedEventArgs使用的例子?那麽, 這裏精選的構造函數代碼示例或許可以為您提供幫助。您也可以進一步了解該構造函數所在System.Windows.Controls.SelectionChangedEventArgs的用法示例。


在下文中一共展示了SelectionChangedEventArgs構造函數的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: BrushConverter

Private Sub myListBox_SelectionChanged(ByVal sender As Object, ByVal args As SelectionChangedEventArgs)

    Dim converter As BrushConverter = New BrushConverter()
    Dim color As String

    ' Show Rectangles that are the selected colors.
    For Each color In args.AddedItems

        If GetRectangle(color) Is Nothing Then
            Dim aRect As Rectangle = New Rectangle()
            aRect.Fill = CType(converter.ConvertFrom(color), Brush)
            aRect.Tag = color
            rectanglesPanel.Children.Add(aRect)
        End If

    Next

    ' Remove the Rectangles that are the unselected colors.
    For Each color In args.RemovedItems

        Dim removedItem As FrameworkElement = GetRectangle(color)
        If Not removedItem Is Nothing Then
            rectanglesPanel.Children.Remove(removedItem)
        End If

    Next

End Sub

Private Function GetRectangle(ByVal color As String) As FrameworkElement
    Dim rect As FrameworkElement
    For Each rect In rectanglesPanel.Children
        If rect.Tag.ToString() = color Then
            Return rect
        End If
    Next

    Return Nothing
End Function
開發者ID:VB.NET開發者,項目名稱:System.Windows.Controls,代碼行數:39,代碼來源:SelectionChangedEventArgs


注:本文中的System.Windows.Controls.SelectionChangedEventArgs.SelectionChangedEventArgs構造函數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。