private bool GetDataGridCellByPosition(Point pt, out DataGridRow dataGridRow,
out DataGridColumn dataGridColumn, out DataGridCell dataGridCell,
out object dataGridObject)
{
var elements = VisualTreeHelper.FindElementsInHostCoordinates(pt, this);
dataGridRow = null;
dataGridCell = null;
dataGridColumn = null;
dataGridObject = null;
if (null == elements || elements.Count() == 0)
{
return(false);
}
var rowQuery = from gridRow in elements
where gridRow
is DataGridRow
select gridRow as DataGridRow;
dataGridRow = rowQuery.FirstOrDefault();
if (dataGridRow == null)
{
return(false);
}
dataGridObject = dataGridRow.DataContext;
var cellQuery = from gridCell in elements
where gridCell is DataGridCell
select gridCell as DataGridCell;
dataGridCell = cellQuery.FirstOrDefault();
if (dataGridCell != null)
{
dataGridColumn = DataGridColumn.GetColumnContainingElement(dataGridCell);
}
//If we've got the row, return true -
//sometimes the Column, DataContext could be null
return(dataGridRow != null);
}