protected virtual void CalculateDropTarget(OlvDropEventArgs args, Point pt)
{
BrightIdeasSoftware.DropTargetLocation none = BrightIdeasSoftware.DropTargetLocation.None;
int index = -1;
int num2 = 0;
if (this.CanDropOnBackground)
{
none = BrightIdeasSoftware.DropTargetLocation.Background;
}
OlvListViewHitTestInfo info = this.ListView.OlvHitTest(pt.X, pt.Y);
if ((info.Item != null) && this.CanDropOnItem)
{
none = BrightIdeasSoftware.DropTargetLocation.Item;
index = info.Item.Index;
if ((info.SubItem != null) && this.CanDropOnSubItem)
{
num2 = info.Item.SubItems.IndexOf(info.SubItem);
}
}
if (this.CanDropBetween && (this.ListView.GetItemCount() > 0))
{
if (none == BrightIdeasSoftware.DropTargetLocation.Item)
{
if ((pt.Y - 3) <= info.Item.Bounds.Top)
{
none = BrightIdeasSoftware.DropTargetLocation.AboveItem;
}
if ((pt.Y + 3) >= info.Item.Bounds.Bottom)
{
none = BrightIdeasSoftware.DropTargetLocation.BelowItem;
}
}
else
{
info = this.ListView.OlvHitTest(pt.X, pt.Y + 3);
if (info.Item != null)
{
index = info.Item.Index;
none = BrightIdeasSoftware.DropTargetLocation.AboveItem;
}
else
{
info = this.ListView.OlvHitTest(pt.X, pt.Y - 3);
if (info.Item != null)
{
index = info.Item.Index;
none = BrightIdeasSoftware.DropTargetLocation.BelowItem;
}
}
}
}
args.DropTargetLocation = none;
args.DropTargetIndex = index;
args.DropTargetSubItemIndex = num2;
}
private void MoveSelected(int targetIndex, BrightIdeasSoftware.DropTargetLocation targetLocation)
{
//buttonRename.Text = e.DropTargetLocation.ToString();
if (targetIndex == -1)
{
return;
}
if (olvPreview.SelectedIndex == targetIndex)
{
return;
}
//olvPreview.LowLevelScroll(0, 20);
var tmp = new List <string>(fileList);
if (olvPreview.SelectedIndex > targetIndex)
{
tmp.RemoveAt(olvPreview.SelectedIndex);
tmp.Insert(targetIndex, fileList[olvPreview.SelectedIndex]);
olvIndex = targetIndex;
}
else if (olvPreview.SelectedIndex < targetIndex)
{
if (targetLocation == BrightIdeasSoftware.DropTargetLocation.BelowItem)
{
targetIndex++;
}
tmp.Insert(targetIndex, fileList[olvPreview.SelectedIndex]);
tmp.RemoveAt(olvPreview.SelectedIndex);
olvIndex = targetIndex - 1;
}
fileList = tmp.ToArray();
customSortToolStripMenuItem_Click(customSortToolStripMenuItem, null);
}
