public static UIElement GetCompositeView(WorkflowViewElement workflowViewElement)
{
if (workflowViewElement == null)
{
throw FxTrace.Exception.ArgumentNull("workflowViewElement");
}
return((UIElement)workflowViewElement.GetValue(DragDropHelper.DragSourceProperty));
}
static HashSet <ICompositeView> GetChildContainers(WorkflowViewElement workflowViewElement)
{
HashSet <ICompositeView> childContainers = null;
if (workflowViewElement != null && workflowViewElement.ShowExpanded)
{
childContainers = (HashSet <ICompositeView>)workflowViewElement.GetValue(CutCopyPasteHelper.ChildContainersProperty);
}
return(childContainers);
}
static void AddChildContainer(WorkflowViewElement viewElement, ICompositeView sourceContainer)
{
if (viewElement == null)
{
throw FxTrace.Exception.AsError(new ArgumentNullException("viewElement"));
}
if (sourceContainer == null)
{
throw FxTrace.Exception.AsError(new ArgumentNullException("sourceContainer"));
}
HashSet<ICompositeView> containers = (HashSet<ICompositeView>)viewElement.GetValue(CutCopyPasteHelper.ChildContainersProperty);
if (containers == null)
{
containers = new HashSet<ICompositeView>();
viewElement.SetValue(CutCopyPasteHelper.ChildContainersProperty, containers);
}
containers.Add(sourceContainer);
}
static void AddChildContainer(WorkflowViewElement viewElement, ICompositeView sourceContainer)
{
if (viewElement == null)
{
throw FxTrace.Exception.AsError(new ArgumentNullException("viewElement"));
}
if (sourceContainer == null)
{
throw FxTrace.Exception.AsError(new ArgumentNullException("sourceContainer"));
}
HashSet <ICompositeView> containers = (HashSet <ICompositeView>)viewElement.GetValue(CutCopyPasteHelper.ChildContainersProperty);
if (containers == null)
{
containers = new HashSet <ICompositeView>();
viewElement.SetValue(CutCopyPasteHelper.ChildContainersProperty, containers);
}
containers.Add(sourceContainer);
}
static HashSet<ICompositeView> GetChildContainers(WorkflowViewElement workflowViewElement)
{
HashSet<ICompositeView> childContainers = null;
if (workflowViewElement != null && workflowViewElement.ShowExpanded)
{
childContainers = (HashSet<ICompositeView>)workflowViewElement.GetValue(CutCopyPasteHelper.ChildContainersProperty);
}
return childContainers;
}
