private void listbox1_MouseMove(object sender, MouseEventArgs e)
{
if (Result[0] == "1")
{
//獲取listbox的子類型ScrollViewer
ScrollViewer scrollViewer = FindChildOfType<ScrollViewer>((ListBox)sender);
if (scrollViewer == null)
{
throw new InvalidOperationException("erro");
}
else
{
//判斷當前滾動的高度是否大於或者等於scrollViewer實際可滾動高度,如果等於或者大於就證明到底了
if ((scrollViewer.VerticalOffset + 1) >= scrollViewer.ScrollableHeight)
{
MessageBox.Show("aaa");
}
}
}
}
//獲取子類型
public static T FindChildOfType<T>(DependencyObject root) where T : class
{
var queue = new Queue<DependencyObject>();
queue.Enqueue(root);
while (queue.Count > 0)
{
DependencyObject current = queue.Dequeue();
for (int i = VisualTreeHelper.GetChildrenCount(current) - 1; 0 <= i; i--)
{
var child = VisualTreeHelper.GetChild(current, i);
var typedChild = child as T;
if (typedChild != null)
{
return typedChild;
}
queue.Enqueue(child);
}
}
return null;
}
Windows Phone開發之 listbox分頁加載數據
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