static void gallery_Drop(object sender, DragEventArgs e)
{
e.Handled = true;
if (dragableItem != null)
{
HitTestResult res = VisualTreeHelper.HitTest((GalleryControl)sender, e.GetPosition((GalleryControl)sender));
if (res.VisualHit == null)
{
return;
}
GalleryItemControl target = LayoutHelper.FindParentObject <GalleryItemControl>(res.VisualHit);
if (target != null && target.Item != dragableItem)
{
GalleryItemCollection targetCollection = target.Item.Group.Items;
GalleryItemCollection sourceCollection = dragableItem.Group.Items;
int targetIndex = targetCollection.IndexOf(target.Item);
if (targetCollection == sourceCollection)
{
targetCollection.Move(originalIndex, targetIndex);
}
else
{
sourceCollection.Remove(dragableItem);
targetCollection.Insert(targetIndex, dragableItem);
}
dragableItem = null;
}
}
}
static void Gallery_PreviewMouseLeftButtonDown(object sender, MouseButtonEventArgs e)
{
clickPoint = e.GetPosition((GalleryControl)sender);
HitTestResult res = VisualTreeHelper.HitTest((GalleryControl)sender, clickPoint);
if (res.VisualHit == null)
{
return;
}
gic = LayoutHelper.FindParentObject <GalleryItemControl>(res.VisualHit);
if (gic != null)
{
dragableItem = gic.Item;
container = dragableItem.Group;
originalIndex = container.Items.IndexOf(dragableItem);
}
}
private void GalleryControl_MouseRightButtonUp_1(object sender, MouseButtonEventArgs e)
{
HitTestResult res = VisualTreeHelper.HitTest((GalleryControl)sender, e.GetPosition((GalleryControl)sender));
if (res.VisualHit == null)
{
return;
}
GalleryItemControl galleryItemControl = LayoutHelper.FindParentObject <GalleryItemControl>(res.VisualHit);
if (galleryItemControl != null)
{
object capt = galleryItemControl.ActualCaption;
GalleryItem tmpIt = MyDict[capt];
tmpIt.IsChecked = !tmpIt.IsChecked;
}
}