public override void DoEndColumnDragging(Point p, HitInfoType ht)
{
Data.DragMaster.EndDrag();
if (LastPosition != null && ht != HitInfoType.CustomizationForm && !IsInCustomizationZone(p))
{
MyPositionInfo pos = new MyPositionInfo();
pos.Assign(LastPosition);
if (SourceBandInfo == null)
{
TreeList.MyRaiseDragObjectDrop(new DragObjectDropEventArgs(SourceInfo.Column, pos));
}
else
{
TreeList.MyRaiseDragObjectDrop(new DragObjectDropEventArgs(SourceBandInfo.Band, pos));
}
if (LastPosition.Valid)
{
if (pos.Index >= 0)
{
MyTreeListBandInfo posBandInfo = ColumnInfoToBandInfo(pos.Info);
if (SourceBandInfo == null)
{
if (posBandInfo == null)
{
TreeList.Swap(pos.Info.Column, SourceInfo.Column);
}
else
{
TreeList.Swap(posBandInfo.Band, SourceInfo.Column);
}
}
else
{
if (posBandInfo == null)
{
TreeList.Swap(SourceBandInfo.Band, pos.Info.Column);
}
else
{
TreeList.Swap(SourceBandInfo.Band, posBandInfo.Band);
}
}
}
}
}
UpdateColumnDragFrame(Rectangle.Empty);
SetState(Regular);
}
public override void DoColumnDragging(Point p, HitInfoType ht)
{
MyPositionInfo pos = new MyPositionInfo();
Rectangle rect;
int index = GetDragColumnInfo(p, ht, out rect);
ColumnInfo ci = ViewInfo.GetHitTest(p).ColumnInfo;
Rectangle r = (rect.Width > 0 && rect.Height > 0) ? TreeList.RectangleToClient(rect) : Rectangle.Empty;
pos.Assign(index, r, (ci != null) && IsDragPositionValid(index, ht, ci), ci);
if (SourceBandInfo == null)
{
TreeList.MyRaiseDragObjectOver(new DragObjectOverEventArgs(SourceInfo.Column, pos));
}
else
{
TreeList.MyRaiseDragObjectOver(new DragObjectOverEventArgs(SourceBandInfo.Band, pos));
}
if (CheckColumnOptions(SourceInfo.Column, index))
{
if (DropTargetHighlighted && !UseArrows)
{
DrawReversibleFrame(Data.DragColumnRect);
}
if (pos.Valid)
{
DrawReversibleFrame(rect);
UpdateColumnDragFrame(rect);
DropTargetHighlighted = true;
}
else
{
DropTargetHighlighted = false;
UpdateColumnDragFrame(Rectangle.Empty);
}
Data.DragColumnRect = rect;
}
LastPosition = pos;
DragDropEffects effect = GetDragEffect(ht, pos.Index, IsInCustomizationZone(p));
Data.DragMaster.DoDrag(TreeList.PointToScreen(p), effect, false);
}
public void Assign(MyPositionInfo pos)
{
base.Assign(pos);
fInfo = pos.Info;
}
