static void CreateDragAdorner()
{
DataTemplate template = GetDragAdornerTemplate(m_DragInfo.VisualSource);
Point offset = GetDragAdornerOffset(m_DragInfo.VisualSource);
double opacity = GetDragAdornerOpacity(m_DragInfo.VisualSource);
if (template != null)
{
// Find current active window
UIElement rootElement = null;
if (Application.Current.Windows.Count == 1)
{
rootElement = (UIElement)Application.Current.MainWindow.Content;
}
else
{
foreach (var w in Application.Current.Windows)
{
if ((w as Window).IsActive)
{
rootElement = (UIElement)(w as Window).Content;
break;
}
}
}
if (rootElement == null)
{
throw new ApplicationException("No active window found to adorn");
}
UIElement adornment = null;
if (m_DragInfo.Data is IEnumerable && !(m_DragInfo.Data is string))
{
if (((IEnumerable)m_DragInfo.Data).Cast <object>().Count() <= 10)
{
ItemsControl itemsControl = new ItemsControl();
itemsControl.ItemsSource = (IEnumerable)m_DragInfo.Data;
itemsControl.ItemTemplate = template;
// The ItemsControl doesn't display unless we create a border to contain it.
// Not quite sure why this is...
Border border = new Border();
border.Child = itemsControl;
adornment = border;
}
}
else
{
ContentPresenter contentPresenter = new ContentPresenter();
contentPresenter.Content = m_DragInfo.Data;
contentPresenter.ContentTemplate = template;
adornment = contentPresenter;
}
if (adornment != null)
{
adornment.Opacity = 0.5;
DragAdorner = new DragAdorner(rootElement, adornment);
if (offset != null)
{
DragAdorner.Offset = offset;
}
if (opacity != 0)
{
DragAdorner.Opacity = opacity;
}
}
}
}
static void CreateDragAdorner()
{
DataTemplate template = GetDragAdornerTemplate(m_DragInfo.VisualSource);
Point offset = GetDragAdornerOffset(m_DragInfo.VisualSource);
double opacity = GetDragAdornerOpacity(m_DragInfo.VisualSource);
if (template != null)
{
// Find current active window
UIElement rootElement = null;
if (Application.Current.Windows.Count == 1)
{
rootElement = (UIElement)Application.Current.MainWindow.Content;
}
else
{
foreach (var w in Application.Current.Windows)
if ((w as Window).IsActive)
{
rootElement = (UIElement)(w as Window).Content;
break;
}
}
if (rootElement == null)
throw new ApplicationException("No active window found to adorn");
UIElement adornment = null;
if (m_DragInfo.Data is IEnumerable && !(m_DragInfo.Data is string))
{
if (((IEnumerable)m_DragInfo.Data).Cast<object>().Count() <= 10)
{
ItemsControl itemsControl = new ItemsControl();
itemsControl.ItemsSource = (IEnumerable)m_DragInfo.Data;
itemsControl.ItemTemplate = template;
// The ItemsControl doesn't display unless we create a border to contain it.
// Not quite sure why this is...
Border border = new Border();
border.Child = itemsControl;
adornment = border;
}
}
else
{
ContentPresenter contentPresenter = new ContentPresenter();
contentPresenter.Content = m_DragInfo.Data;
contentPresenter.ContentTemplate = template;
adornment = contentPresenter;
}
if (adornment != null)
{
adornment.Opacity = 0.5;
DragAdorner = new DragAdorner(rootElement, adornment);
if (offset != null)
DragAdorner.Offset = offset;
if (opacity != 0)
DragAdorner.Opacity = opacity;
}
}
}