// handle user dragging a cell to a new position
void _ddMgr_DragDrop(object source, DragDropEventArgs e)
{
if (_dragViewObject != null)
{
// get target cell
var ht = _flex.HitTest(e.GetPosition(_flex));
if (ht.CellType == CellType.Cell && ht.Row > -1 && ht.Column > -1)
{
// move object to target cell
var oldRange = new CellRange(e.DragSource);
_flex[oldRange.Row, oldRange.Column] = null;
_flex[ht.Row, ht.Column] = _dragViewObject.DataObject;
// and move the selection
_flex.Select(ht.Row, ht.Column);
_dragViewObject = null;
}
}
}
public override void CreateCellContent(C1FlexGrid grid, Border bdr, CellRange range)
{
// get the data object stored in the unbound grid
var obj = grid[range.Row, range.Column] as MyDataObject;
if (obj != null)
{
// create a custom view object
var e = new MyViewObject(grid, obj);
// assign it to the cell
bdr.Child = e;
// register cell border as a drag source
_ddMgr.RegisterDragSource(bdr, DragDropEffect.Move, ModifierKeys.None);
}
else
{
base.CreateCellContent(grid, bdr, range);
}
}
public override void CreateCellContent(C1FlexGrid grid, Border bdr, CellRange range)
{
// get the data object stored in the unbound grid
var obj = grid[range.Row, range.Column] as MyDataObject;
if (obj != null)
{
// create a custom view object
var e = new MyViewObject(grid, obj);
// assign it to the cell
bdr.Child = e;
// register cell border as a drag source
_ddMgr.RegisterDragSource(bdr, DragDropEffect.Move, ModifierKeys.None);
}
else
{
base.CreateCellContent(grid, bdr, range);
}
}
private void DdMgr_DragStart(object source, DragDropEventArgs e)
{
var bdr = e.DragSource as Border;
_dragViewObject = bdr.Child as MyViewObject;
}