如何在WPF中的ListView中引用项目 [英] How to refer to item in ListView in WPF

问题描述

我想创建一个列表视图，在每一行的最后一列中都包含一个按钮.若要单击该按钮，将启动一个句柄(VB.NET)，该句柄应使用列表视图同一行中其他列的值.为了引用此值，我使用了SelectedItem，但我认为这是不正确的，因为用户可以单击未选择的行中的按钮.请问什么是正确的财产?
谢谢

Hi,
I want to create a listview, which include in each row a button in the last column. To click on the button starts a handle (VB.NET), that should use the values of the other columns of the same row of the listview. To refer to this values I haves used SelectedItem, but I see this is not correct because the user can click on a button in a row that is not selected. Please what is the right property?
Thanks

推荐答案

你好，


您肯定可以让事件的发送者获得按钮并使用VisualTreeHelper( http://msdn.microsoft.com/en-us/library/system.windows.media.visualtreehelper.aspx [

Hello,


You surely can get the sender of the event to get the button and use the VisualTreeHelper (http://msdn.microsoft.com/en-us/library/system.windows.media.visualtreehelper.aspx[^]) to get the clicked row.

Hope this helps you !

您好，
谢谢您的回答.我已经试过了:
strText ="Ebene 1"&VisualTreeHelper.GetParent(sender).ToString和vbCrLf&_
"Ebene 2"和VisualTreeHelper.GetParent(VisualTreeHelper.GetParent(sender)).ToString和vbCrLf和_
"Ebene 3"和VisualTreeHelper.GetParent(VisualTreeHelper.GetParent(VisualTreeHelper.GetParent(sender))).ToString和vbCrLf和_
"Ebene 4"和VisualTreeHelper.GetParent(VisualTreeHelper.GetParent(VisualTreeHelper.GetParent(VisualTreeHelper.GetParent(sender)))).ToString和vbCrLf

并得到
Ebene 1 System.Windows.Controls.ContentPresenter
Ebene 2 System.Windows.Controls.GridViewRowPresenter内容:System.Data.DataRowView Columns.Count:7
Ebene 3 System.Windows.Controls.Border
Ebene 4 System.Windows.Controls.ListViewItem:System.Data.DataRowView

请下一步是什么?

最好的问候
彼得

Hello,
thank you for your answer. I''ve tried this:
strText = "Ebene 1 " & VisualTreeHelper.GetParent(sender).ToString & vbCrLf & _
"Ebene 2 " & VisualTreeHelper.GetParent(VisualTreeHelper.GetParent(sender)).ToString & vbCrLf & _
"Ebene 3 " & VisualTreeHelper.GetParent(VisualTreeHelper.GetParent(VisualTreeHelper.GetParent(sender))).ToString & vbCrLf & _
"Ebene 4 " & VisualTreeHelper.GetParent(VisualTreeHelper.GetParent(VisualTreeHelper.GetParent(VisualTreeHelper.GetParent(sender)))).ToString & vbCrLf

and get
Ebene 1 System.Windows.Controls.ContentPresenter
Ebene 2 System.Windows.Controls.GridViewRowPresenter Content:System.Data.DataRowView Columns.Count:7
Ebene 3 System.Windows.Controls.Border
Ebene 4 System.Windows.Controls.ListViewItem: System.Data.DataRowView

What would be the next step, please?

Best greetings
Peter

你好，

现在，我将在您的帮助下解决问题:

因此，VisualTreeHelper告诉我，我按钮的父级的父级是System.Windows.Controls.GridViewRowPresenter，我这样做:

Hello,

now I solve the problem with your help:

So the VisualTreeHelper say me, the parent of the parent of my button is a System.Windows.Controls.GridViewRowPresenter I do this:

Dim myGrid As GridViewRowPresenter
Dim LstRow As DataRowView
myGrid = VisualTreeHelper.GetParent(VisualTreeHelper.GetParent(sender))
Me.m_PlanRow = CType(myGrid.Content, DataRowView)
strText = LstRow("ANZAHL") & " " & LstRow("ERR_CODE")
...

谢谢
彼得:)

Thanks
Peter :)

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