WPF:如何限制列表框显示的行数?

Is it possible to limit the number of rows a listbox show? Eg. let´s say I have a ItemSource with 100 items, but I only want my listbox to be 10 items high.

是否可以限制列表框显示的行数?如。让´s说我有一个ItemSource 100件,但我只希望我的列表框高10项。

2 个解决方案

#1

-1

This worked for me:

这工作对我来说:

private void Window_Loaded(object sender, RoutedEventArgs e)
{
    // Set height of list box
    this.listbox.Height = (this.listbox.ActualHeight / this.listbox.Items.Count) * 10;
}

Attach this to the Loaded Event of your control (otherwise ActualHeight is not set).

将此附加到控件的已加载事件(否则未设置实际高度)。

#2

If you want your ListBox to only fit 10 items, having to scroll for the rest, you can simply set the height of ListBoxItems to be the height of the ListBox divided by 10.

如果你希望你的列表框只能容纳10个条目，那么你可以简单地将列表框条目的高度设置为列表框的高度除以10。

If you want to allow the ListBox to resize, you will have to adjust the ListBoxItem height dynamically on each resize event.

如果您想允许列表框调整大小，您必须在每个调整大小事件上动态调整列表框项的高度。

Static example:

静态的例子:

<ListBox Height="500">
  <ListBox.Resources>
    <Style TargetType="{x:Type ListBoxItem}">
        <Setter Property="Height" Value="50"/>
    </Style>  
    </ListBox.Resources>

  <ListBoxItem>One</ListBoxItem>
  <ListBoxItem>Two</ListBoxItem>
  <ListBoxItem>Three</ListBoxItem>
  <ListBoxItem>Four</ListBoxItem>
  <ListBoxItem>Five</ListBoxItem>
  <ListBoxItem>Six</ListBoxItem>
  <ListBoxItem>Seven</ListBoxItem>
  <ListBoxItem>Eight</ListBoxItem>
  <ListBoxItem>Nine</ListBoxItem>
  <ListBoxItem>Ten</ListBoxItem>
  <ListBoxItem>Eleven</ListBoxItem>
  <ListBoxItem>Twelve</ListBoxItem>
  <ListBoxItem>Thirteen</ListBoxItem>
  <ListBoxItem>Fourteen</ListBoxItem>
  <ListBoxItem>Fifteen</ListBoxItem>
  <!-- etc. -->

</ListBox>

#1

-1