我正在编写自定义的WPF ItemsControl以显示一个项目列表。这些项目嵌入在ScrollViewer中显示:
<Style TargetType="MyCustomItemsControl">
<Setter Property="Template">
<Setter.Value>
<ControlTemplate TargetType="MyCustomItemsControl">
<ScrollViewer x:Name="PART_MyScrollViewer" >
<ItemsPresenter/>
</ScrollViewer>
</ControlTemplate>
</Setter.Value>
</Setter>
</Style>
我希望当鼠标移入控件时,特定的项(标记为选定)将滚动到鼠标位置。在我的OnMouseEnter方法中,我能够找到该项,但不知道下一步该怎么做。有人有什么想法吗?
protected override void OnMouseEnter(MouseEventArgs e)
{
for (int i = 0; i < Items.Count; i++)
{
ContentPresenter uiElement = (ContentPresenter)ItemContainerGenerator.ContainerFromIndex(i);
var item = uiElement.Content as MyCustomObject;
if (item.IsSelected)
{
// How to scroll the uiElement to the mouse position?
break;
}
}
}