static TreeViewItem GetItemAndScrollIntoView(TreeView tree, ItemsControl parent, int i)
{
var peer = ItemsControlAutomationPeer.CreatePeerForElement(tree);
var scrollProvider = peer.GetPattern(PatternInterface.Scroll) as IScrollProvider;
var direction = ScrollAmount.SmallIncrement;
while (true)
{
var item = parent.ItemContainerGenerator.ContainerFromIndex(i) as TreeViewItem;
if (item != null)
{
item.BringIntoView();
InvokeUtility.DoEvents();
return(item);
}
if (scrollProvider.VerticalScrollPercent == 100)
{
direction = ScrollAmount.SmallDecrement;
}
if (direction == ScrollAmount.SmallDecrement && scrollProvider.VerticalScrollPercent == 0)
{
throw new NotSupportedException(ResourcesLocal3.Instance.ErrorNotFoundItem);
}
scrollProvider.Scroll(ScrollAmount.NoAmount, direction);
InvokeUtility.DoEvents();
}
}
internal static ContextMenu OpenMenu(UIElement target, bool openByKey, out Clean cleaner)
{
cleaner = null;
FrameworkElement owner = null;
var tree = TreeUtilityInTarget.VisualTree(target, TreeRunDirection.Ancestors);
foreach (var e in tree)
{
var f = e as FrameworkElement;
if (f != null && f.ContextMenu != null)
{
owner = f;
break;
}
}
if (owner == null)
{
throw new NotSupportedException();
}
var menu = owner.ContextMenu;
if (openByKey)
{
target.Focus();
SendInputEx.SendKey(System.Windows.Forms.Keys.Apps);
}
else
{
int count = menu.CommandBindings.Count;
foreach (var e in TreeUtilityInTarget.VisualTree(target, TreeRunDirection.Ancestors))
{
var u = e as UIElement;
if (u != null && u.CommandBindings != null)
{
foreach (CommandBinding command in u.CommandBindings)
{
menu.CommandBindings.Add(command);
}
}
}
target.Focus();
menu.IsOpen = true;
InvokeUtility.DoEvents();
//数を元に戻す
cleaner = () =>
{
while (count < menu.CommandBindings.Count)
{
menu.CommandBindings.RemoveAt(menu.CommandBindings.Count - 1);
}
menu.IsOpen = false;
};
}
return(menu);
}
static void EmulateClick(MenuItem item)
{
IInvokeProvider invoker = new MenuItemAutomationPeer(item);
item.Focus();
invoker.Invoke();
InvokeUtility.DoEvents();
}
static void ShowNextItem(TreeViewItem item)
{
var peer = new TreeViewItemAutomationPeer(item);
IExpandCollapseProvider expander = peer;
expander.Expand();
InvokeUtility.DoEvents();
}
static void EmulateClick(MenuItem item, WPFContextMenu.Clean clean)
{
IInvokeProvider invoker = new MenuItemAutomationPeer(item);
item.Focus();
invoker.Invoke();
InvokeUtility.DoEvents();
clean();
}
static TreeViewItem GetItemAndScrollIntoView(TreeView tree, ItemsControl parent, int i)
{
var box = VisualTreeHelper.GetDescendantBounds(tree);
var peer = ItemsControlAutomationPeer.CreatePeerForElement(tree);
var scrollProvider = peer.GetPattern(PatternInterface.Scroll) as IScrollProvider;
var direction = ScrollAmount.SmallIncrement;
bool min1 = false;
bool max1 = false;
while (true)
{
var item = parent.ItemContainerGenerator.ContainerFromIndex(i) as TreeViewItem;
if (item != null)
{
item.BringIntoView();
InvokeUtility.DoEvents();
var top = item.TranslatePoint(new Point(), tree);
if (box.Contains(new Point(box.X, top.Y + item.ActualHeight / 2)))
{
return(item);
}
}
if (scrollProvider.VerticalScrollPercent == 100)
{
if (max1)
{
direction = ScrollAmount.SmallDecrement;
}
else
{
max1 = true;
}
}
if (direction == ScrollAmount.SmallDecrement && scrollProvider.VerticalScrollPercent == 0)
{
if (min1)
{
if (item != null)
{
return(item);
}
throw new NotSupportedException(ResourcesLocal3.Instance.ErrorNotFoundItem);
}
else
{
min1 = true;
}
}
if (!scrollProvider.VerticallyScrollable)
{
if (item != null)
{
return(item);
}
}
scrollProvider.Scroll(ScrollAmount.NoAmount, direction);
InvokeUtility.DoEvents();
}
}
