protected virtual void grid_DragEnter(GridVirtual sender, System.Windows.Forms.DragEventArgs e)
{
Position pointPosition = sender.PositionAtPoint(sender.PointToClient(new Point(e.X, e.Y)));
Cells.ICellVirtual cellPosition = sender.GetCell(pointPosition);
sender.ChangeDragCell(new CellContext(sender, pointPosition, cellPosition), e);
}
protected virtual void grid_DragLeave(GridVirtual sender, EventArgs e)
{
sender.ChangeDragCell(new CellContext(sender, Position.Empty, null), null);
}
protected virtual void grid_DragOver(GridVirtual sender, System.Windows.Forms.DragEventArgs e)
{
Position pointPosition = sender.PositionAtPoint(sender.PointToClient( new Point(e.X, e.Y) ));
Cells.ICellVirtual cellPosition = sender.GetCell(pointPosition);
CellContext cellContext = new CellContext(sender, pointPosition, cellPosition);
sender.ChangeDragCell(cellContext, e);
sender.Controller.OnDragOver(cellContext, e);
}
protected virtual void grid_DragLeave(GridVirtual sender, EventArgs e)
{
sender.ChangeDragCell(new CellContext(sender, Position.Empty, null), null);
}