protected override IScriptCommand executeInner(ParameterDic pm, UIElement sender, RoutedEventArgs evnt, IUIInput input, IList <IUIInputProcessor> inpProcs)
{
DragEventArgs devnt = evnt as DragEventArgs;
ISupportDrop dropTarget = pm.GetValue <ISupportDrop>(DropTargetKey);
IEnumerable <IDraggable> draggables = pm.GetValue <IEnumerable <IDraggable> >(DraggablesKey);
DragDropEffectsEx allowedEffects = pm.HasValue(AllowedEffectsKey) ? pm.GetValue <DragDropEffectsEx>(AllowedEffectsKey)
: devnt != null ? (DragDropEffectsEx)devnt.AllowedEffects : DragDropEffectsEx.All;
if (dropTarget != null && draggables != null)
{
QueryDropEffects queryDropEffect = QueryDropEffects.None;
if (devnt != null)
{
queryDropEffect = dropTarget.QueryDrop(draggables, allowedEffects);
devnt.Effects = (DragDropEffects)queryDropEffect.SupportedEffects;
}
else
{
queryDropEffect = dropTarget.QueryDrop(draggables, allowedEffects);
}
pm.SetValue(DestinationKey, queryDropEffect, SkipIfExists);
}
return(NextCommand);
}
public override QueryDropEffects QueryDrop(IEnumerable <T> models, DragDropEffectsEx allowedEffects)
{
if (models.Count() > 0)
{
return(QueryDropEffects.CreateNew(DragDropEffectsEx.Move));
}
_tcvm.SelectedItem = _tvm;
return(QueryDropEffects.None);
}