/// <summary>
/// 选中所有展开的节点
/// </summary>
public void SelectAllExpandChildren()
{
if (Items != null && Items.Count > 0)
{
if (!IsExpanded)
{
IsExpanded = true;
}
foreach (var item in Items)
{
if (item is MultiSelectionTreeViewItem)
{
(item as MultiSelectionTreeViewItem).SelectAllExpandChildren();
}
else
{
MultiSelectionTreeViewItem tvi = this.ItemContainerGenerator.ContainerFromItem(item) as MultiSelectionTreeViewItem;
if (tvi != null)
{
if (tvi.ItemContainerGenerator.Status != System.Windows.Controls.Primitives.GeneratorStatus.ContainersGenerated)
{
tvi.UpdateLayout();
}
tvi.SelectAllExpandChildren();
}
}
}
}
if (IsSelected != true)
{
IsSelected = true;
}
//TODO:
ParentTreeView.OnSelectionChnanged(this);
}
/// <summary>
/// 取消所有子节点的选中
/// </summary>
public void UnSelectAllChildren()
{
if (Items != null && Items.Count > 0)
{
foreach (var item in Items)
{
if (item is MultiSelectionTreeViewItem)
{
(item as MultiSelectionTreeViewItem).UnSelectAllChildren();
}
else
{
MultiSelectionTreeViewItem tvi = this.ItemContainerGenerator.ContainerFromItem(item) as MultiSelectionTreeViewItem;
if (tvi != null)
{
tvi.UnSelectAllChildren();
}
}
}
}
if (IsSelected != false)
{
IsSelected = false;
}
//TODO:
ParentTreeView.OnSelectionChnanged(this);
}